15 Best Aio Liquid Coolers Under $30, Compared
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
Finding suitable hardware for an aio liquid cooler under 30 requires matching exact system specifications to your setup. The EK EK-CryoFuel Premix Coolant 1L leads the list because its 1-liter pre-mixed volume delivers loop protection and biological growth inhibition straight from the bottle.
This guide compares 15 liquid cooling items strictly through the specifications published on their official product listings. It helps you decide which fluids, water blocks, and mounting hardware fit your loop dimensions and material requirements.
Quick picks
The best fit for you
- You need ready-to-pour coolant for a standard custom loop EK EK-CryoFuel Premix Coolant 1L The 1-liter bottle provides pre-mixed coolant featuring biological growth inhibition for liquid loops.
- You want to liquid cool an M.2 solid-state drive Barrow M.2 SSD Water Block This block fits 2280 and 22110 drives and connects via standard G1/4-inch threading.
Our 15 picks
EK EK-CryoFuel Premix Coolant 1L
Best for: compatible custom loops needing ready-to-pour fluid
- Dimensions
- 10.2 × 3.54 × 3.54 inches
- Weight
- 2.43 pounds
This is a 1-liter premixed liquid cooling fluid designed for PC loops. It features biological growth inhibition and low electrical conductivity to support your system hardware. The formula works directly with Acrylic, PETG, POM Acetal, and rubber tubing such as NBR, EPDM, and Norprene. You receive a pre-blended solution weighing roughly 2.43 pounds in a single bottle. It suits you if you need ready-to-use coolant for compatible loop components without mixing concentrates yourself.
Pros
- Biological growth inhibition built into the formula
- Low electrical conductivity specification
- Pre-mixed 1-liter volume requires no manual dilution
- Compatible with Acrylic, PETG, POM Acetal, and rubber materials
Cons
- Volume limited to 1 liter per bottle
- Material compatibility limited to specified plastics and rubbers
Good fit if
- You use Acrylic, PETG, POM Acetal, NBR, EPDM, or Norprene in your loop.
- You want a ready-to-pour 1-liter solution without measuring additives.
- You require coolant with biological growth inhibitors and low conductivity.
Skip if
- You need more than 1 liter of fluid to fill a large multi-radiator system.
- You prefer concentrated coolant formulations that you mix manually.
- You utilize loop tubing or block materials outside the listed compatibility specs.
Verdict: EK EK-CryoFuel Premix Coolant 1L provides a ready-to-pour 1000mL solution featuring biological growth inhibition and wide plastic compatibility. It delivers essential loop protection for standard compatible liquid setups without requiring manual mixing.
PrimoChill Ice Clear Coolant, 32 oz
Best for: copper and nickel custom liquid loops
- Dimensions
- 8.68 × 0.55 × 0.55 inches
- Weight
- 2.25 pounds
PrimoChill Ice is a ready-to-use liquid cooling fluid in a 32 fluid ounce bottle. It requires no mixing and arrives pre-measured for your loop. The formula supports rubber gaskets, acrylic, PVC, PETG, and glass tubing, alongside copper and nickel parts. You get a low-viscosity clear fluid that avoids complex chemical blending. This suits you if you need a straightforward fluid for a compatible copper or nickel custom cooling setup.
Pros
- Pre-measured and ready to pour without mixing
- Safe with acrylic, PVC, PETG, glass tubing, and rubber gaskets
- Compatible with copper and nickel components
- Available in 8 color variations
Cons
- No listed compatibility for aluminum components
- Does not include filling tubes or accessories
Good fit if
- You use copper or nickel cooling blocks with standard tubing materials.
- You want a pre-measured 32 fluid ounce fluid ready to pour directly into the loop.
Skip if
- You have aluminum components in your cooling setup.
- You prefer concentrated coolant over a pre-mixed solution.
Verdict: PrimoChill Ice Clear Coolant, 32 oz provides a pre-mixed fluid designed specifically for copper, nickel, and typical loop tubing materials. It simplifies maintenance by eliminating the need to measure or dilute chemicals.
XSPC EC6 Clear Premix Coolant 1000 mL
Best for: ready-to-pour clear custom loop maintenance
- Dimensions
- 3.94 × 3.94 × 9.84 inches
- Weight
- 1080 grams
This is a 1000 mL premixed PC water-cooling coolant from XSPC. You do not need to mix additives before filling your loop. The clear liquid features low electrical conductivity, is non-toxic, and is 85% biodegradable within 30 days. It has a two-year shelf life in storage. It suits you if you need a ready-to-pour fluid for your custom liquid cooling setup without mixing concentrates yourself.
Pros
- Premixed fluid requires no additional additives
- 1000 mL volume
- 85% biodegradable within 30 days and non-toxic
- Low electrical conductivity
- Two-year shelf life
Cons
- Clear translucent finish provides no coloration
- Single 1000 mL bottle may require multiple units for large loops
Good fit if
- You want ready-to-pour fluid without measuring or adding extra additives.
- You need a clear coolant with low electrical conductivity.
- You want fluid with a two-year shelf life for future maintenance.
Skip if
- You want an opaque or colored fluid directly out of the bottle.
- You need concentrated fluid to mix with your own water volume.
Verdict: XSPC EC6 Clear Premix Coolant 1000 mL delivers ready-to-use liquid cooling fluid with low electrical conductivity and no additive prep required. It is an efficient choice when you need standard clear coolant with a two-year shelf life.
XSPC EC6 Translucent Coolant (1000 mL, UV Green)
Best for: ready-to-use UV Green custom cooling loops
- Dimensions
- 3.94 × 3.94 × 9.84 inches
- Weight
- 2.2 pounds
View on Amazon: XSPC EC6 Translucent Coolant (1000 mL, UV Green)
This is a pre-mixed liquid coolant designed for custom PC water cooling loops. You get 1000 mL of translucent UV Green fluid that requires no extra additives before use. The formulation features low electrical conductivity, stable dyes, and an 85 percent biodegradation rate within 30 days. It suits you if you maintain an open loop and want ready-to-pour fluid with a stated two-year shelf life.
Pros
- Pre-mixed formula requires no additional additives
- Low electrical conductivity
- Non-toxic and 85% biodegradable within 30 days
- Two-year shelf life with stable dyes
Cons
- Fixed 1000 mL volume per container
- Shelf life limited to two years
Good fit if
- You need a pre-mixed 1000 mL UV Green coolant ready to pour without additives.
- You prefer a non-toxic coolant that is 85% biodegradable within 30 days.
Skip if
- You prefer an opaque coolant finish instead of translucent UV Green.
- You require a concentrated coolant rather than a pre-mixed solution.
Verdict: XSPC EC6 Translucent Coolant (1000 mL, UV Green) delivers a ready-to-use liquid cooling solution with low electrical conductivity and a two-year shelf life. It provides loop filling without the need for manual additive mixing.
Barrow D5 Pump Heatsink Top Kit
Best for: custom loops using standalone D5 pumps
- Pump Compatibility
- D5
- Dimensions
- 3.8 × 3.2 × 2.7 inches
- Weight
- 5.6 ounces
The Barrow D5 Pump Heatsink Top Kit provides a dedicated enclosure for your custom loop's D5 pump. It measures 3.8 inches long, 3.2 inches wide, and 2.7 inches high, keeping your pump setup compact. Weighing just 0.35 pounds, this kit adds heat dissipation without excessive bulk. It suits you if you already own a standalone D5 pump and need a compact heatsink housing.
Pros
- Engineered for D5 pump compatibility
- Compact footprint measuring 3.8 by 3.2 by 2.7 inches
- Lightweight build at 0.35 pounds
Cons
- Heatsink kit only with no pump included
- Limited strictly to D5 pump units
Good fit if
- You need a dedicated heatsink top kit for a D5 pump.
- You want a lightweight housing weighing 0.35 pounds.
Skip if
- You use a DDC or other non-D5 liquid cooling pump.
- You need an all-in-one cooler with an included pump and radiator.
Verdict: Barrow D5 Pump Heatsink Top Kit provides a compact 0.35-pound cooling housing tailored directly to standalone D5 pumps. It fits custom loop builders seeking dedicated D5 heatsink coverage within a 3.8-by-3.2-inch footprint.
Barrow M.2 SSD Water Block
Best for: liquid cooling 2280 and 22110 M.2 SSDs
- Weight
- 4 ounces
This Barrow M.2 SSD water block provides dedicated liquid cooling for your solid-state storage. It fits standard 2280 and extended 22110 M.2 drives inside custom loops. You connect it using two standard G1/4-inch thread ports compatible with regular fittings. The clear acrylic top contains an integrated slot to house a 5mm LED. It suits you if you want to cool an M.2 SSD using existing liquid loop hardware.
Pros
- Dual standard G1/4-inch ports fit regular loop fittings
- Supports both 2280 and 22110 form factor M.2 drives
- Acrylic top features an integrated slot for a 5mm LED
- Lightweight construction at 0.25 pounds
Cons
- Only accommodates 2280 and 22110 length M.2 drives
- 5mm LED is not included with the block
Good fit if
- You run a custom loop with standard G1/4-inch fittings.
- You need dedicated liquid cooling for a 2280 or 22110 M.2 SSD.
Skip if
- You use an M.2 drive size other than 2280 or 22110.
- You do not have an open custom liquid cooling loop.
Verdict: Barrow M.2 SSD Water Block integrates 2280 and 22110 solid-state drives into standard custom liquid loops. Its standard G1/4-inch threading and 5mm LED housing slot deliver direct drive cooling with custom lighting support.
EK EK-CryoFuel Premix Clear Coolant 1000mL
Best for: clear multi-material custom liquid cooling loops
- Weight
- 2.36 pounds
This 1000mL premixed coolant from EK provides a clear fluid solution designed for open or refillable loops. It features low electrical conductivity and a non-toxic formula that biodegrades 90% in 10 days. The liquid is compatible with common loop materials, including acrylic, PETG, POM acetal, and rubber compounds. You receive a ready-to-pour 2.36-pound bottle suited for standard clear-tube cooling setups.
Pros
- Pre-mixed 1000mL volume requires no manual dilution
- Material compatibility includes Acrylic, PETG, POM Acetal, and NBR rubber
- Low electrical conductivity fluid formula
- Eco-friendly composition biodegrades 90% in 10 days
Cons
- Fixed 1000mL premix adds 2.36 pounds of shipping bulk versus concentrates
- Clear version provides no color tint or UV reactivity
Good fit if
- You want ready-to-pour clear coolant without handling distilled water mixes.
- You run a loop incorporating acrylic, PETG, POM acetal, or rubber tubing.
Skip if
- You prefer concentrated additives to minimize storage space.
- You want colored pigments or UV-reactive effects in your coolant.
Verdict: EK EK-CryoFuel Clear Premix Coolant 1000mL delivers a ready-to-use, biodegradable cooling liquid with broad plastic and rubber material compatibility. It offers a straightforward maintenance fill if you want transparent coolant without manual mixing.
Serounder 50mm Cylindrical POM Reservoir
Best for: custom loops needing a standalone POM reservoir
- Dimensions
- 7.48 × 1.97 × 1.97 inches
- Weight
- 12.3 ounces
This Serounder unit is a cylindrical liquid cooling reservoir built with CNC-machined POM material. It features a 50mm tube diameter along with upper and lower G1/4 standard threaded ports for fitting compatibility. A full-open threaded design lets you disassemble both ends for cleaning and loop maintenance. This reservoir suits you if you need a modular, high-strength cylinder component to hold coolant inside a custom liquid cooling setup.
Pros
- Standard imperial G1/4 threaded ports on top and bottom
- CNC-machined POM construction
- Thread-tightened structure allows full disassembly for cleaning
- 50mm tube diameter
Cons
- Does not include an integrated pump
- No mounting brackets or installation hardware listed
Good fit if
- You need a 50mm diameter reservoir with standard G1/4 ports.
- You want a fully detachable cylinder that disassembles from both ends for maintenance.
Skip if
- You need a complete reservoir-and-pump combination unit.
- You want a sealed all-in-one cooler rather than an individual custom-loop component.
Verdict: Serounder 50mm Cylindrical POM Reservoir provides standard G1/4 compatibility and dual-end threaded disassembly for custom loop configurations. Its POM build and 50mm tube profile make it a practical standalone reservoir option.
Mayhems XT1 250 ml Coolant Concentrate
Best for: custom loops needing green corrosion-inhibiting concentrate
- Dimensions
- 2.24 × 2.24 × 5.59 inches
- Weight
- 10.2 ounces
This liquid cooling additive is a 250 ml bottle of concentrate formulated for custom computer cooling loops. You get a Tree Viper Green dye engineered to protect internal loop components from corrosion and scale buildup. With dimensions of 2.24 by 2.24 by 5.59 inches and a total weight of 10.2 ounces, it suits your build if you want green fluid concentrate to dilute for thermal management.
Pros
- Formulated to inhibit corrosion and scale accumulation
- Concentrated 250 ml volume reduces packaging bulk
- Distinct Tree Viper Green coloration
- Compact bottle measuring 2.24 x 2.24 x 5.59 inches
Cons
- Concentrate formulation requires dilution before use
- Contains 250 ml rather than a full 1-liter premix volume
Good fit if
- You need Tree Viper Green fluid for your custom cooling loop.
- You want a 250 ml concentrate that targets corrosion and scale buildup.
Skip if
- You prefer a premixed coolant ready to pour without measuring.
- You need a clear fluid or a non-green color scheme.
Verdict: Mayhems XT1 250 ml Tree Viper Green Coolant Concentrate provides corrosion and scale protection in a compact 250 ml bottle. It gives your liquid cooling loop a vivid green fluid once diluted.
Mayhems X1 Neon Sunset Orange Concentrate (250 ml)
Best for: custom loops needing orange anti-corrosion concentrate
- Dimensions
- 2.24 × 2.24 × 5.59 inches
- Weight
- 10.2 ounces
View on Amazon: Mayhems X1 Neon Sunset Orange Concentrate (250 ml)
This product is a 250 ml Neon Sunset Orange coolant concentrate for liquid cooled computer loops. You mix this concentrated fluid before adding it to your system. The formula contains biodegradable refined vegetable extracts designed to protect loop components against corrosion and scale build up. Measuring 2.24 by 2.24 by 5.59 inches and weighing 10.2 ounces, it suits your build if you prefer storing compact concentrate bottles.
Pros
- Formulated with biodegradable refined vegetable extracts
- Protects liquid cooling parts against corrosion and scale build up
- Compact 250 ml bottle weighing 10.2 ounces
- Distinct Neon Sunset Orange coloration
Cons
- Requires dilution rather than arriving as a premixed fluid
- Limited to 250 ml of concentrate per bottle
Good fit if
- You want an orange coolant formulated with biodegradable vegetable extracts.
- You prefer compact 250 ml concentrate bottles over pre-diluted fluids.
- You need corrosion and scale protection for custom loop components.
Skip if
- You need a premixed coolant ready to pour directly into your loop.
- You want a clear or non-orange color for your system aesthetic.
Verdict: Mayhems X1 Orange Coolant Concentrate 250ml provides a compact, biodegradable fluid base that shields loop components from scale and corrosion. It is an efficient choice if you prefer mixing your own coolant in a distinct Neon Sunset Orange hue.
Phanteks Glacier R220C Acrylic Reservoir
Best for: DDC custom loops requiring digital RGB lighting
- Lighting Type
- Digital-RGB
- Material
- Acrylic
- Pump Compatibility
- DDC
- Dimensions
- 3.15 × 8.66 × 1.34 inches
The Phanteks Glacier R220C DDC Combo Reservoir is an acrylic reservoir designed to mount directly onto DDC pumps. It features a 200 ml fluid capacity, integrated digital-RGB lighting controllable via a 3-pin motherboard header, and multiple ports for loop routing. You can mount it horizontally or vertically using the included 120mm and 140mm fan bracket. This unit suits you if you are building a custom loop around a DDC pump.
Pros
- Integrated Digital-RGB lighting compatible with 3-pin headers
- Universal 120mm and 140mm fan bracket for vertical or horizontal mounting
- Viton rubber O-ring for sealing and durability
- Multiple ports for flexible loop routing
Cons
- DDC pump not included
- Incompatible with D5 pump designs
- Limited to 200 ml capacity
Good fit if
- You use a DDC pump in your custom cooling loop.
- You have a 3-pin digital-RGB motherboard header or compatible Phanteks case.
- You want flexible horizontal or vertical mounting on standard fan locations.
Skip if
- You plan to build your loop using a D5 pump.
- You need a pre-assembled all-in-one liquid cooler.
- You require a fluid capacity larger than 200 ml.
Verdict: Phanteks Glacier R220C DDC Combo Reservoir provides dedicated DDC pump mounting and addressable lighting in a compact acrylic format. It gives custom-loop builders flexible multi-port routing and universal fan-bracket installation.
Mayhems XT1 Premixed Coolant 1 Litre
Best for: green custom loops needing premixed corrosion protection
- Dimensions
- 3.23 × 3.23 × 9.61 inches
- Weight
- 2.29 pounds
Mayhems XT1 Premixed Coolant 1L is ready-to-use liquid cooling fluid formulated to protect your loop components from corrosion and scale build up. It comes in a 1-liter bottle weighing 2.29 pounds, measuring 9.61 inches tall by 3.23 inches wide. Designed for long operational lifetime and thermal efficiency, this Tree Viper Green formulation suits custom water cooling loops that require dedicated scale and corrosion protection without manual mixing.
Pros
- Premixed 1-liter bottle requires no manual dilution
- Formulated to inhibit corrosion and scale build up
- Designed for long operational coolant lifetime
Cons
- Pre-dyed Tree Viper Green color cannot be altered
- Premix fluid volume is limited to 1 liter
Good fit if
- You need ready-to-pour coolant without mixing additives
- You want built-in protection against scale and corrosion
- You want a Tree Viper Green aesthetic for your loop
Skip if
- You prefer coolant concentrate for custom mixing ratios
- You want a clear fluid or a different loop color
Verdict: Mayhems XT1 Premixed Coolant 1L delivers corrosion and scale protection in a ready-to-use 1-liter format. It provides long operational life for green-themed PC liquid cooling loops.
GOWENIC AM4 Copper CPU Water Block
Best for: AMD AM4 custom loop CPU cooling
- Socket Compatibility
- AM2 / AM2+ / AM3 / AM3+ / AM4 / FM2+
- Material
- Copper
- Dimensions
- 0.39 × 0.39 × 0.39 inches
This GOWENIC unit is a standalone CPU water block designed for custom loops rather than an all-in-one cooler. It features a 3 mm red copper base treated with anti-oxidization technology, internal micro water channels, and a transparent acrylic top cover. With broad AMD socket support covering AM2 through AM4 and FM2+, this block suits you if you need a dedicated cooling component for an existing or planned AMD liquid setup.
Pros
- Red copper base with 3 mm height and micro water channels
- Wide AMD socket compatibility including AM4, AM3+, and FM2+
- Anti-oxidization treatment on the base plate
- Stainless steel buckle holder and transparent acrylic top
Cons
- Standalone water block requiring separate pump, radiator, and tubing
- No Intel CPU socket compatibility listed
- Fittings and coolant not included
Good fit if
- You are assembling a custom loop for an AMD socket AM4 processor.
- You want a copper base plate featuring internal micro water channels.
- You need a transparent acrylic block to visually monitor coolant flow.
Skip if
- You want a self-contained, pre-assembled all-in-one liquid cooler.
- You are building an Intel-based system.
Verdict: GOWENIC Copper AM4 CPU Water Block provides a dedicated 3 mm micro-channel copper base for custom AMD cooling loops. It delivers focused heat transfer for legacy and AM4 sockets but requires all surrounding loop components to function.
Dracaena 100mm Multi-Port Acrylic Reservoir
Best for: compact custom loops needing multiple ports
- Material
- Acrylic
- Dimensions
- 1.97 × 1.97 × 4.33 inches
This component is a cylindrical liquid cooling reservoir measuring 100mm in length with an outer diameter between 50mm and 55mm. It pairs a transparent PMMA acrylic body with POM engineering plastic end covers. You get four standard G1/4 threaded ports for routing fittings and fluid lines. It suits you if you are assembling a compact custom liquid cooling loop and need a small reservoir with multiple connection options.
Pros
- Four G1/4 threaded ports provide multiple inlet and outlet options
- Transparent PMMA acrylic tube with POM engineering plastic end covers
- Compact 100mm length fits smaller enclosure layouts
- Outer diameter measures between 50mm and 55mm
Cons
- 100mm length limits fluid capacity compared to longer variations
- Mounting brackets or installation hardware are not listed in the specs
Good fit if
- You need a short 100mm reservoir to fit inside a space-constrained case.
- You require four G1/4 ports for flexible custom loop plumbing.
Skip if
- You need a reservoir that integrates a liquid cooling pump.
- You require a high-capacity reservoir longer than 100mm.
Verdict: Dracaena 100mm Multi-Port Acrylic Reservoir delivers a compact PMMA and POM build with four G1/4 ports for custom liquid loops. It provides flexible tube routing when your PC chassis has limited vertical clearance.
XSPC Pure Premix Coolant, Clear UV, 1 Liter
Best for: mixed-metal loops needing UV-reactive clear fluid
- Dimensions
- 3.94 × 1.97 × 0.5 inches
This 1-liter premixed coolant uses an 8-stage triple-distilled water base blended with non-toxic corrosion inhibitors and loop stabilizers. It provides safe operation across copper, brass, steel, nickel, and aluminum, as well as acrylic and acetal components. You get an extremely low electrical conductivity profile and clear UV reactivity straight from the bottle. It suits your build if you want an eco-friendly premix that protects diverse metals without measuring concentrates.
Pros
- Safe for copper, brass, steel, nickel, and aluminum loops
- Compatible with acrylic and acetal plastics
- Uses an 8-stage triple-distilled water base with loop stabilizers
- Features extremely low electrical conductivity
Cons
- Requires UV lighting to display reactive effects
- Comes only as a premixed 1-liter bottle without concentrate options
Good fit if
- You run mixed metals such as copper, nickel, steel, or aluminum in your custom loop.
- You want a premixed clear coolant with UV reactive properties.
Skip if
- You prefer a concentrated formula that you mix with distilled water yourself.
- You want an opaque or non-UV colored fluid.
Verdict: XSPC Pure Premix Clear UV Coolant, 1L delivers broad material compatibility across mixed-metal loops and plastics using a triple-distilled premix base. It provides reliable corrosion inhibition and UV reactivity without requiring manual dilution.
Specifications side by side
| Spec | EK EK-CryoFuel Premix Coolant 1L | PrimoChill Ice Clear Coolant, 32 oz | XSPC EC6 Clear Premix Coolant 1000 mL | XSPC EC6 Translucent Coolant (1000 mL, UV Green) | Barrow D5 Pump Heatsink Top Kit | Barrow M.2 SSD Water Block | EK EK-CryoFuel Premix Clear Coolant 1000mL | Serounder 50mm Cylindrical POM Reservoir | Mayhems XT1 250 ml Coolant Concentrate | Mayhems X1 Neon Sunset Orange Concentrate (250 ml) | Phanteks Glacier R220C Acrylic Reservoir | Mayhems XT1 Premixed Coolant 1 Litre | GOWENIC AM4 Copper CPU Water Block | Dracaena 100mm Multi-Port Acrylic Reservoir | XSPC Pure Premix Coolant, Clear UV, 1 Liter |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Socket Compatibility | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | AM2 / AM2+ / AM3 / AM3+ / AM4 / FM2+ | not specified | not specified |
| Lighting Type | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Digital-RGB | not specified | not specified | not specified | not specified |
| Lighting | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Digital RGB | not specified | not specified | not specified | not specified |
| Material | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Acrylic | not specified | Copper | Acrylic | not specified |
| Pump Compatibility | not specified | not specified | not specified | not specified | D5 | not specified | not specified | not specified | not specified | not specified | DDC | not specified | not specified | not specified | not specified |
| Dimensions | 10.2 × 3.54 × 3.54 inches | 8.68 × 0.55 × 0.55 inches | 3.94 × 3.94 × 9.84 inches | 3.94 × 3.94 × 9.84 inches | 3.8 × 3.2 × 2.7 inches | not specified | not specified | 7.48 × 1.97 × 1.97 inches | 2.24 × 2.24 × 5.59 inches | 2.24 × 2.24 × 5.59 inches | 3.15 × 8.66 × 1.34 inches | 3.23 × 3.23 × 9.61 inches | 0.39 × 0.39 × 0.39 inches | 1.97 × 1.97 × 4.33 inches | 3.94 × 1.97 × 0.5 inches |
| Weight | 2.43 pounds | 2.25 pounds | 1080 grams | 2.2 pounds | 5.6 ounces | 4 ounces | 2.36 pounds | 12.3 ounces | 10.2 ounces | 10.2 ounces | not specified | 2.29 pounds | not specified | not specified | not specified |
| Size | 1 Litre | 32 fluid ounces | not specified | not specified | not specified | not specified | not specified | not specified | 250 ml | 250 ml | 200 ml | 1 Litre | not specified | 100mm | not specified |
| Color | Black | Clear | not specified | UV Green | Black | not specified | Clear | 400mm | Tree Viper Green | Neon Sunset Orange | Black | Tree Viper Green | not specified | not specified | Clear UV |
| Model | 3831109880302 | FBA_PC-ICE | 5060175582744 | XS-EC6-GRN | LD5HK-V1w | HDM2280-PA | 3831109813256 | Serounderxr5182yk46-04 | MXTC250MLGR | MX1C250MLOR | PH-R220C_02 | MXTP1LGR | Limouyinzvhe1tiw0n6495 | D-YSX-PMA-10 | 5060596651401 |
Trade-Offs In The Under $30 Range
Selecting liquid cooling gear Under $30 limits you to individual loop components, basic maintenance fluids, and compact hardware rather than full cooling setups. Radiator size caps at an 80mm aluminum unit. Water blocks feature standalone copper plates or M.2 form factors without integrated digital displays or addressable lighting. Socket compatibility remains restricted to specific Intel platforms or legacy mountings. Pump hardware focuses on heatsink housings for D5 units rather than complete motors. You must assemble separate tubing, fittings, and radiators to achieve a functioning build.
- Radiator size caps at 80mm with aluminum construction.
- Pump compatibility limited to standalone D5 heatsink housings.
- Socket compatibility requires dedicated Intel or legacy mounts.
- Lighting hardware provides basic 5mm LED slots without displays.
How We Picked These Products
You find liquid cooling gear in this guide based on published specifications for items cataloged Under $30. To give you a clean comparison, each product family appears only once so duplicate sizes or variants do not crowd the guide. You see items ordered with products in stock first, then by Amazon sales rank, placing better-selling products first.
Products are not physically handled. You receive information gathered directly from the specifications and feature lists published on product listings. Because eligibility and stock update at least daily on the page, products move onto or off the list as details change.
How to Choose Liquid Cooling Gear
-
Verify Coolant Inhibitor Inclusion
You must verify whether a fluid includes protective additives before filling your loop. Pre-mixed coolants come ready to use with biological growth inhibitors and corrosion blockers. In contrast, bare deionized bases lack these protective compounds. PrimoChill Base Deionized Water (UV Blue) provides a clean colored foundation, but it requires you to supply all necessary inhibitors yourself. If you do not add separate chemical inhibitors to an untreated base, you risk biological growth in your tubing. Check the fluid specifications to determine if extra chemicals are necessary.
-
Match Standalone Pump Models
You need to confirm exact pump type compatibility before purchasing aftermarket heatsink kits or tops. Pump accessories are engineered around specific motor geometries and do not interchange between standard platforms. The Barrow D5 Pump Heatsink Top Kit specifically targets standalone D5 pumps. It occupies a 3.8-inch by 3.2-inch area and weighs 0.35 pounds. If your loop uses a DDC or proprietary pump unit instead, this housing will not mount to your hardware. Always match the listed pump standard and physical dimensions to your existing loop pump.
-
Check Coolant Shelf Life
You should examine the stated shelf life when planning loop maintenance or stocking backup coolant. Liquid cooling solutions can break down over extended storage if stabilizers degrade. XSPC EC6 Clear Premix Coolant 1000 mL provides low electrical conductivity and lists a distinct two-year shelf life. This metric matters if you purchase replacement fluid in advance or service multiple cooling systems periodically. Compare shelf-life ratings on product spec sheets to ensure fluid remains chemically stable in the bottle until you pour it directly into your reservoir.
-
Confirm Storage Drive Form Factors
You must check the exact drive length when adding solid-state drive cooling to your liquid loop. Drive blocks are built for specific physical measurements, typically 2280 or extended 22110 form factors. The Barrow M.2 SSD Water Block specifically supports both 2280 and 22110 M.2 SSDs and includes a 5mm LED housing slot. If you use shorter 2242 or 2230 drives, the block contact surface will not align properly. Inspect your storage drive length specifications before purchase to ensure firm thermal contact across your SSD circuit board.
-
Calculate Concentrated Dye Volume
You need to compare the dye concentration ratio against the total liquid capacity of your cooling loop. Concentrated dyes are rated to tint specific liquid volumes, so undersizing the bottle leaves the liquid pale. For example, XSPC EC6 ReColour Dye (30 mL, UV Green) tints up to 5 liters of coolant fluid across common tubing types. If you maintain a larger multi-radiator system exceeding that volume, you will need additional concentrate. Check the dilution specifications against your system fluid volume to achieve the intended UV color depth.
-
Measure Compact Radiator Clearances
You must measure chassis clearances carefully when adding compact heat exchangers to small form factor enclosures. Small radiators require enough room for both the core thickness and the attached cooling fan. The Clyxgs 80mm Aluminum Radiator with Fan features an 8-pipe core measuring 4.13 inches long, 3.15 inches wide, and 1.46 inches high with an included 12V fan. Verify that your PC case has 80mm mounting points and enough clearance for the fan wiring. Comparing outer dimensions prevents physical interference with power cables and motherboard heatsinks.
Frequently asked questions
Can you get a complete AIO liquid cooler under 30?
You cannot get a full closed-loop AIO cooling kit in this hardware group. Hardware in this category covers individual custom loop components and supplies rather than pre-assembled units. You will find standalone parts such as the Clyxgs 80mm Aluminum Radiator with Fan, individual CPU blocks, and pre-mixed coolants to build or maintain a setup.
What size solid-state drives fit the Barrow M.2 water block?
The Barrow M.2 SSD Water Block fits 2280 and 22110 form factor drives. It integrates these drives directly into your liquid circuit using standard G1/4-inch thread ports. In addition, the block includes an integrated 5mm LED housing slot so you can install custom lighting components alongside your drive cooling.
How much fluid can you tint with a single bottle of coolant dye?
The volume you can tint depends on the specific bottle size you select. For example, a 15ml bottle of PrimoChill Steel Blue dye treats up to one US gallon of loop fluid. If you choose a 30ml bottle of XSPC EC6 ReColour Dye, it can color up to 5 liters of coolant.
Does PrimoChill Pure Clear Coolant require mixing with other chemicals?
PrimoChill Pure Clear Coolant is designed to run without adding external chemical additives. It provides a glycol-free, lubricating fluid suited for high-flow pumps and standard loop materials. Adding external chemical treatments can interfere with its clean, low-viscosity heat transfer performance across your cooling loop components.
Which pumps work with the Barrow heatsink kit?
The Barrow heatsink kit is designed exclusively for standalone D5 pumps. It provides a dedicated cooling housing with a footprint measuring 3.8 inches long by 3.2 inches wide and 2.7 inches high. You cannot mount this heatsink housing to non-D5 pump bodies because the housing geometry specifically matches D5 dimensions.
What is the expected shelf life for XSPC EC6 coolant?
Unopened XSPC EC6 premixed coolants feature a rated shelf life of two years. Both the clear premix and the translucent UV Green versions offer low electrical conductivity straight from the container. This allows you to store the 1000 mL bottles for scheduled loop flushes without the fluid deteriorating before installation.
Can you use the Watercool HEATKILLER IV backplate on AMD motherboards?
You cannot use the Watercool HEATKILLER IV backplate on AMD motherboards. The manufacturer designs this specific silver backplate strictly for supported Intel desktop platforms. You also need a matching HEATKILLER IV water block, as this mounting plate operates solely as a structural accessory rather than an independent cooler.