EK-Pro GPU WB RTX A5500 Rack - Nickel + Inox

Product EAN: 3831109904770

Only 4 pieces left

Estimated Delivery Date: 22 July 2024
  • UPS with tracking: 22 July 2024
  • DHL Express with tracking: 22 July 2024

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EK-Pro GPU WB RTX A5500 Rack - Nickel + Inox is a high-performance full-cover water block for NVIDIA RTX™ A5500 graphics card. It spans the entire length of the card and cools all critical components, effectively making it a single-slot assembly. The EK-Pro Rack GPU water blocks fit the standard Full Height Full Width (FHFW) server chassis form factor, making them a drop-in replacement for dual-slot active and passive air coolers.

EK-Pro NVIDIA RTX A5500 Rack GPU water block

The water block directly cools the GPU, VRAM, and VRM (voltage regulation module) as the cooling liquid is channelled right over these critical areas.

EK-Pro GPU WB RTX A5500 Rack - Nickel + Inox water blocks use an Open Split-Flow cooling engine design that proved to be a superior solution for GPU water blocks. It is characterized by low hydraulic flow restriction, which means it can be used with weaker water pumps or pumps running on low-speed settings and still achieve top performance. The lowered coolant flow requirement makes it an ideal solution for multi-GPU workstations. The jet plate and fin structure geometry have been optimized to provide consistent flow distribution with minimal losses and optimal performances, even when used in reversed water flow scenarios.

EK-Pro NVIDIA RTX A5500 Rack GPU water block cold plate

The base of the block is CNC machined out of nickel-plated electrolytic copper, while the top is laser-cut out of industry-grade stainless steel. The top plate possesses a screw-in PCIe power connector bracket to securely hold the power connector once fully assembled. High-quality EPDM O-Rings ensure the sealing, and the brass standoffs are pre-installed to enable a safe and easy installation procedure.

EK-Pro NVIDIA RTX A5500 Rack top cover and I/O bracket

To improve the graphics card’s stability and protection, the I/O plate is now a part of the water block top. This means that the block replaces the stock I/O shield and adds more sturdiness to the whole assembly. The integrated single-slot I/O plate also benefits more compact workstation and server environments, where space and PCIe slot spacing are at a premium. This design lets the card consume only a single PCIe x16 slot, leaving its surrounding slots available for other add-in cards.

The aesthetic retention backplate improves your graphics card’s looks and structural rigidity while providing passive cooling to the backside of the PCB VRM area. The cutouts in the water block top and backplate enable the entire water block and GPU assembly to be fully compatible with the NVIDIA NVLink connector.

EK-Pro NVIDIA RTX A5500 Rack angled terminal

At the back, this version of the EK-Pro A5500 GPU water block features a 45°-angled terminal block made of POM and machined stainless steel. It has two G1/4” ports, allowing easy integration with EK-Pro QDC kits and manifolds for high compute density applications. Additionally, the water block is equipped with a side-mounted standoff for GPU brace applications, ensuring secure GPU mounting during transport and movement of the chassis


  • EK-Pro GPU WB RTX A5500 Rack - Nickel + Inox workstation and server-grade water block
  • Retention backplate
  • Mounting mechanism with screw-in brass standoffs
  • Necessary mounting screws, nuts, and washers
  • Thermal Interface Material

Technical Specifications:

  • Dimensions (L x H x W): 311 x 141.2 x 23.5 mm
  • Materials: Nickel-plated copper, stainless steel, POM
  • Mass (kg): 1.643
  • Ports: 2 x G1/4”
  • Mounting method: Backplate
  • Working pressure: 2500 Pa
  • Maximal working pressure: 30000 Pa in loops containing an EK-Pro Pump Reservoir Manifold, otherwise 75000 Pa
  • Operating temperature range: 5 – 60 °C


  • NVIDIA RTX™ A5500

Made in Slovenia - EU!


  • Due to the immense variety of fittings/barbs available on the market, we guarantee compatibility only with EK fittings.
  • Factory backplates are not compatible with this water block! Use only the backplate that comes in the package.
  • This product should NOT be installed with any aluminum Fluid Gaming parts!
  • The use of specifically engineered coolants that contain corrosion, scale, and biological inhibitors is mandatory to prevent damage to your nickel-plated water block! EK offers a selection of such products in the coolants section.

Additional Info

Material / Design / Color option Nickel
Threads G1/4
Chip Manufacturer Nvidia GeForce

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