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Nickel-plated copper water block with clear acrylic top and black anodized aluminium backplate, addressable RGB lighting

Bykski

Bykski Full Coverage GPU Water Block and Backplate for EVGA RTX 3090Ti FTW3 Ultra Gaming

SKU CH-5B6B-VNKAD

Full-coverage water block and backplate directly cools GPU, memory and VRM on EVGA RTX 3090Ti FTW3 Ultra with nickel-plated copper and acrylic top

  • Directly cools GPU, RAM and VRM for lower temperatures and longer card life
  • High-flow design enables series or parallel loop configurations
  • Nickel-plated high-purity copper block transfers heat efficiently
  • Clear PMMA top shows coolant flow and lighting
  • Includes all mounting hardware and thermal paste for straightforward installation

Full-Coverage Block for EVGA RTX 3090Ti FTW3 Ultra

This full-coverage water block directly cools the GPU, memory, and VRM on the EVGA GeForce RTX 3090Ti FTW3 Ultra. Nickel-plated copper and an acrylic top provide efficient heat transfer and coolant visibility. A black anodised aluminium backplate adds structural rigidity. The kit includes all mounting hardware and thermal paste for a straightforward installation. Addressable RGB lighting runs on a 5 V header.

Ideal for Custom Loops on This Exact Card

Builders assembling a custom liquid-cooling loop for the EVGA RTX 3090Ti FTW3 Ultra will appreciate the direct-die contact and high-flow channel design that supports serial or parallel plumbing. The block is not suited for any other graphics card model or reference design. Users keeping the stock air cooler or fitting a different GPU should not purchase this component.

Compatibility Limited to EVGA RTX 3090Ti FTW3 Ultra

The block fits only the EVGA GeForce RTX 3090Ti FTW3 Ultra; no other 3090 variant or brand is supported. Verify the exact card model before ordering, as returns are not accepted for compatibility mistakes. The 5 V addressable RGB connector requires a matching motherboard or controller header.

Highlights

  • Directly cools GPU, RAM and VRM for lower temperatures and longer card life
  • High-flow design enables series or parallel loop configurations
  • Nickel-plated high-purity copper block transfers heat efficiently
  • Clear PMMA top shows coolant flow and lighting
  • Includes all mounting hardware and thermal paste for straightforward installation

Specifications

No published specifications for this item yet.

Questions about this item

Does this water block fit any EVGA RTX 3090Ti model?

No, it fits only the EVGA GeForce RTX 3090Ti FTW3 Ultra graphics card.

Can I connect the 5V addressable RGB header to a standard 12V RGB header on my motherboard?

No, the 5V addressable RGB connector works only with addressable RGB components; mixing with 12V RGB will cause damage.

After installing the block, how can I confirm the GPU, RAM and VRM are being cooled properly?

Monitor temperatures for the core, memory and VRM zones in your monitoring software; they should drop noticeably under load compared to the stock cooler.

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