Alphacool RTX 3080/3090 Ti Active Alternatives: 6 Similar Picks Compared

Comparing Alternative Options

Alphacool Eisdecke D5 Plexi Pump Top

The Alphacool Eisdecke D5 Plexi Pump Top serves a different purpose than the GPU backplate. It is a clear acrylic reservoir top designed specifically for D5 pumps. While the backplate cools graphics cards, this component manages coolant volume and provides extra fittings for your loop. It lacks the cooling fins and water channels of the backplate. You should choose this if you already have a D5 pump and need to complete your reservoir setup. It does not offer active cooling for any component. The material is acrylic, matching the aesthetic of the Aurora line. It is smaller and lighter than the GPU backplate. This is a supporting part for your loop, not a primary cooling block.

Watercool HEATKILLER IV Basic AM4 CPU Block

The Watercool HEATKILLER IV Basic AM4 CPU Block targets a different component entirely. It is designed for AMD AM4 processors, not NVIDIA graphics cards. It features a clear acrylic top and nickel-plated copper base. The backplate cools the rear of RTX 3080/3090 Ti cards. This block cools the CPU die. It has G1/4" fittings for loop integration. You should pick this if you need to cool an AMD CPU in your custom loop. It does not fit any graphics card. The design prioritizes high flow rates. It lacks the ARGB lighting found on the Alphacool backplate. It is a fundamental cooling block for your processor, whereas the backplate is an add-on for your GPU.

Watercool HEATKILLER IV PRO Acrylic AMD Water Block

The Watercool HEATKILLER IV PRO Acrylic AMD Water Block is another CPU cooling solution. It supports both AM4 and AM5 sockets. It uses a copper top with an acrylic window. The Alphacool backplate cools graphics cards using nickel-plated copper. This block is heavier and designed for high flow performance. You should choose this for AMD builds requiring robust cooling efficiency. It does not interact with your GPU loop. The fitting options allow for flexible hose connections. It lacks the specific form factor needed for RTX 3080/3090 Ti cards. It is a primary cooling block for your processor. The backplate is an accessory that enhances existing GPU cooling. This block is essential for CPU thermal management.

Alphacool Aurora Acryl X4 RAM Water Block

The Alphacool Aurora Acryl X4 RAM Water Block cools your system memory. It is designed for DDR4 modules in the Alphacool Aurora ecosystem. The GPU backplate cools the graphics card rear. This block fits directly onto RAM sticks. It uses acrylic and nickel-plated copper. You should pick this if you want to cool your memory in a synchronized loop. It does not fit any GPU. It requires specific Alphacool memory modules to function correctly. The backplate is compatible with various RTX 3080/3090 Ti cards. This block offers integrated ARGB lighting. It is a specialized component for a specific part of your system. The backplate is more versatile for GPU cooling upgrades.

Phanteks Glacier R220C Acrylic Reservoir

The Phanteks Glacier R220C Acrylic Reservoir holds coolant for your loop. It is a compact 200 ml tank for DDC pumps. The Alphacool backplate is a passive cooling plate for graphics cards. This reservoir stores liquid and provides a mounting point for your pump. It features digital RGB lighting. You should choose this if you need a reservoir to complete your loop. It does not cool any component directly. It is smaller than the GPU backplate in volume. The material is acrylic with a black finish. The backplate uses nickel-plated copper for heat transfer. This component is essential for loop functionality, not thermal performance enhancement. It serves a different role in your custom cooling setup.

Alphacool Eisball D5 Reservoir and Pump Top

The Alphacool Eisball D5 Reservoir and Pump Top is a 700 ml reservoir for D5 pumps. It combines storage and pump mounting. The GPU backplate cools graphics cards using water channels. This unit holds significantly more coolant. It features digital RGB lighting and clear acrylic visibility. You should pick this if you need a large reservoir for your D5 pump. It does not cool any component. It is larger and heavier than the backplate. The material is acrylic and plexi. The backplate uses nickel-plated copper. This is a loop infrastructure component. The backplate is a thermal performance add-on. They serve distinct purposes in your custom water cooling build.

Quick picks

Our 7 picks

1 Best overall

Alphacool RTX 3080/3090 Ti Active Backplate

Best for: upgrading existing Alphacool GPU block setups

Lighting

ARGB

Material

Nickel-plated copper, acrylic

Thread Size

G1/4"

Dimensions

11.6 × 4.92 × 0.51 inches

Weight

2.5 pounds

View on Amazon: Alphacool RTX 3080/3090 Ti Active Backplate Affiliate link

This Alphacool active backplate cools the rear of your RTX 3080 or 3090 Ti card. It uses nickel-plated copper and acrylic to move heat away from the GPU. You can connect it via G1/4" threads or 5/3mm hose ports. The unit weighs 2.5 pounds and measures 11.6 inches long. It fits users who want to upgrade their existing Alphacool GPU block setup for better thermal performance.

Pros

• Nickel-plated copper construction for efficient heat transfer
• Dual connection options with G1/4" threads or 5/3mm hose ports
• Active cooling for the graphics card backside
• Compatible with existing Alphacool Eisblock Aurora GPU blocks

Cons

• Requires a separate pump and reservoir to function
• Adds 2.5 pounds of weight to the build
• Only cools the backplate, not the GPU core directly

Good fit if

• You already own an Alphacool Eisblock Aurora GPU block
• You want to actively cool the back of your RTX 3080 or 3090 Ti
• You prefer G1/4" or 5/3mm hose connections

Skip if

• You need a complete cooling solution without extra components
• You are using a GPU model other than RTX 3080 or 3090 Ti
• You prefer a passive backplate with no liquid flow

Verdict: Alphacool RTX 3090/3080 Ti Active Backplate helps you lower temperatures on compatible cards by actively cooling the rear. It is best for builders who already use Alphacool GPU blocks and want to maximize their loop's cooling potential.

2 Also great

Alphacool Eisdecke D5 Plexi Pump Top

Best for: D5 pump reservoir tops

Material

Plexi (acrylic)

Thread Size

G1/4

Radiator Size

40mm

Pump Compatibility

D5

Coolant Color

Clear

Dimensions

3.15 × 3.15 × 1.57 inches

View on Amazon: Alphacool Eisdecke D5 Plexi Pump Top Affiliate link

This acrylic reservoir top fits the D5 pump. It includes stands and five G1/4 ports. You get three plugs for unused ports. The clear plexi material shows your coolant. It measures 83 by 80 by 87 mm with stands. This unit does not include the pump itself. You need to buy the D5 pump separately to complete the loop.

Pros

• Clear acrylic material
• Five G1/4 ports
• Includes three plugs
• Comes with stands

Cons

• Pump not included
• Only fits D5 pumps
• Smaller capacity than full reservoirs

Good fit if

• You already own a D5 pump
• You want a simple clear top
• You need extra G1/4 ports

Skip if

• You need a built-in pump
• You want a larger reservoir
• You prefer opaque materials

Verdict: Alphacool Eisdecke D5 Pump Top is a clear acrylic top for D5 pumps. It suits builders who already have the pump and need extra ports.

3 Also great

Watercool HEATKILLER IV Basic AM4 CPU Block

Best for: AM4 custom loops seeking high flow

Socket Compatibility

AMD AM4, AM5

Material

Acrylic, Copper

Thread Size

G1/4

Dimensions

5.51 × 4.33 × 1.97 inches

Weight

0.31 kilograms

View on Amazon: Watercool HEATKILLER IV Basic AM4 CPU Block Affiliate link

This Watercool block is designed for AMD AM4 processors. It features a clear acrylic top and a revised internal cooling structure with micro fins. These fins increase the surface area for better heat transfer. The unit measures 5.51 by 4.33 inches and weighs 0.31 kilograms. It suits builders who want a straightforward, high-flow design without extra features.

Pros

• Compatible with AMD AM4 sockets
• Clear acrylic top for visibility
• Revised micro fin structure for larger contact surface
• High-flow design with bigger jet structure

Cons

• Limited to AM4 socket compatibility
• No RGB lighting or digital display
• Basic model lacks advanced control features

Good fit if

• You are building an AMD AM4 custom loop
• You prefer a clear acrylic top for aesthetics
• You want a high-flow block with a simple design

Skip if

• You have an Intel CPU or AMD AM5 socket
• You require RGB lighting or digital displays
• You need compatibility with newer CPU sockets

Verdict: Watercool HEATKILLER IV Basic AM4 Acrylic is a solid choice for AMD AM4 builders seeking a high-flow block with a clean acrylic look. It fits users who prioritize cooling efficiency and simplicity over digital features.

4 Also great

Watercool HEATKILLER IV PRO Acrylic AMD Water Block

Best for: AMD AM4/AM5 builds needing high flow

Material

Copper

Socket Compatibility

AM4, AM5

Dimensions

5.51 × 4.33 × 1.97 inches

Weight

10.9 ounces

View on Amazon: Watercool HEATKILLER IV PRO Acrylic AMD Water Block Affiliate link

This Watercool HEATKILLER IV PRO block features an acrylic top and copper base. It supports AMD AM4 and AM5 sockets. The design includes a high-flow structure with integrated jets for better performance. It measures 5.51 by 4.33 inches and weighs 10.9 ounces. You get compatibility with 16/10 and 19/13 fittings. This unit suits builders who want reliable cooling for AMD processors.

Pros

• Supports AMD AM4 and AM5 sockets
• High-flow design with integrated jet structure
• Compatible with 16/10 and 19/13 fittings
• Acrylic top with copper base

Cons

• Only supports AMD sockets, not Intel
• No mention of RGB lighting or software control
• Acrylic top may scratch more easily than metal

Good fit if

• You use an AMD AM4 or AM5 CPU
• You prefer acrylic tops for visual matching
• You need support for 16/10 or 19/13 fittings

Skip if

• You use an Intel CPU
• You require integrated RGB lighting
• You need a metal top for durability

Verdict: Watercool HEATKILLER IV PRO Acrylic Block is a solid choice for AMD builders who value high flow rates and fitting flexibility. It fits those who prioritize functional cooling over flashy lighting effects.

5 Best premium

Alphacool Aurora Acryl X4 RAM Water Block

Best for: Alphacool Aurora ecosystem builders

Lighting

Digital RGB, 3-Pin 5V

Material

Nickel-plated copper, acrylic

Thread Size

G1/4

Dimensions

6.3 × 2.76 × 1.57 inches

Weight

5.28 ounces

View on Amazon: Alphacool Aurora Acryl X4 RAM Water Block Affiliate link

This RAM water block features a 4 mm thick nickel-plated copper base for efficient heat transfer. It includes an embedded digital RGB LED strip that sits flush with the acrylic side. The unit measures 6.3 by 2.76 by 1.57 inches and weighs 5.28 ounces. It is designed to pair with Alphacool D-RAM modules for complete cooling coverage. You get integrated lighting that matches other Aurora components in your loop.

Pros

• 4 mm thick nickel-plated copper cold plate
• Embedded flush digital RGB LED strip
• Compatible with Alphacool D-RAM modules
• Transparent acrylic side panel

Cons

• Requires separate Alphacool D-RAM modules for full coverage
• No software control mentioned for RGB lighting
• Limited to specific Alphacool memory kits

Good fit if

• You are building a custom loop with Alphacool Aurora components
• You want flush-mounted RGB lighting on your RAM
• You plan to use Alphacool D-RAM modules

Skip if

• You use non-Alphacool memory modules
• You need standalone RGB control without software
• You want a complete cooling solution without extra parts

Verdict: Alphacool Aurora Acryl X4 D-RAM Block is a specialized cooling solution for users already invested in the Alphacool Aurora ecosystem. It offers precise thermal performance and integrated lighting, but only if you pair it with their specific memory modules.

6 Best budget

Phanteks Glacier R220C Acrylic Reservoir

Best for: DDC loops needing compact acrylic reservoir

Lighting

Digital-RGB

Material

Acrylic

Reservoir Capacity

200 ml

Pump Compatibility

DDC

Dimensions

3.15 × 8.66 × 1.34 inches

View on Amazon: Phanteks Glacier R220C Acrylic Reservoir Affiliate link

This 200 ml acrylic reservoir is designed for DDC pumps. It features a transparent backplate and integrated Digital-RGB lighting. You can mount it vertically or horizontally. The inner tube design helps minimize air bubbles. It includes a universal fan bracket for 120 or 140 mm fans. Viton rubber O-rings ensure a durable seal. This unit suits builders who want a clean look with synchronized lighting.

Pros

• 200 ml reservoir capacity for DDC pumps
• Transparent acrylic backplate for a spacious look
• Integrated Digital-RGB lighting with 3-pin header sync
• Vertical or horizontal mounting options
• Viton rubber O-ring for durability

Cons

• Only 200 ml capacity limits coolant volume
• Requires compatible Phanteks case or motherboard for RGB sync
• Pump not included in the package

Good fit if

• You are building a loop with a DDC pump
• You want to sync lighting with a 3-pin Digital-RGB header
• You prefer a transparent acrylic finish

Skip if

• You need a larger reservoir capacity
• You use a D5 pump instead of DDC
• You want independent RGB control without case sync

Verdict: Phanteks Glacier R220C DDC Reservoir is a compact 200 ml option for DDC-based loops. It fits users who prioritize a clean acrylic look and synchronized lighting over large coolant capacity.

7

Alphacool Eisball D5 Reservoir and Pump Top

Best for: Compact loops with existing D5 pumps

Lighting

22 digital RGB LEDs, 5 VDC, 4-pin

Reservoir Capacity

700 ml

Thread Size

G1/4

Material

Acrylic, Plexi

Pump Compatibility

D5

Dimensions

4.63 × 5.04 × 5.04 inches

View on Amazon: Alphacool Eisball D5 Reservoir and Pump Top Affiliate link

The Alphacool Eisball is a 700 ml ball reservoir with a D5 pump top. It features transparent nylon construction and digital RGB lighting. The unit measures 117.51 x 128 x 128 mm and weighs 1.42 pounds. You get a clear view of coolant flow. This setup suits users who want a compact, illuminated loop component. It pairs well with D5 pumps for reliable circulation.

Pros

• 700 ml capacity for ample coolant volume
• Transparent nylon material for clear visibility
• Digital RGB lighting for customizable aesthetics
• Integrated D5 pump top compatibility

Cons

• Pump is not included in the package
• No mention of software control for lighting
• Weight is 1.42 pounds, adding chassis load

Good fit if

• You need a compact reservoir for small cases
• You already own a D5 pump
• You want visible coolant flow with RGB

Skip if

• You prefer a pre-filled reservoir
• You require software-controlled lighting effects
• You are building a silent loop without a pump

Verdict: Alphacool Eisball 700ml Reservoir fits builders who already have a D5 pump and want a compact, illuminated reservoir. It offers clear visibility and standard RGB features for custom loops.

Specifications side by side

Frequently asked questions

See also

• zotac geforce rtx 3090 ti alternatives
• ibuypower element rtx 5060 ti alternatives