---
title: "EK-Pro GPU WB RTX A5500 Nickel + Inox – Pro workstation"
url: "https://www.lmtek.com/components/gpu-water-blocks/rtx-a5500"
locale: "en"
---

# EK-Pro GPU WB RTX A5500 Nickel + Inox

_Pro workstation_

SKU: EK-Pro GPU WB RTX A5500 Nickel + Inox

## Specifications

| Spec | Value |
| --- | --- |
| Compatibility | NVIDIA RTX™ A5500 |
| Form | workstation |
| EAN | 3831109904695 |

## Technical datasheet

| Spec | Value |
| --- | --- |
| Compatibility | NVIDIA RTX™ A5500 |
| Form factor | Full-height workstation (PCIe) |
| Dimensions | 281.8 × 152.6 × 23.5 mm |
| Mass | 1.416 kg |
| Ports | 2 × G1/4″ |
| Base material | Nickel-plated copper |
| Top material | Stainless steel |
| Terminal | POM Acetal, 45° angled |
| Seals | EPDM O-rings |
| Mounting method | Backplate |
| NVLink compatible | Yes |
| Working pressure | 2 500 Pa |
| Max pressure (with EK-Pro PRM) | 30 000 Pa |
| Max pressure (standalone) | 75 000 Pa |
| Operating temperature | 5 – 60 °C |
| EAN | 3831109904695 |

## Overview

The EK-Pro GPU WB RTX A5500 Nickel + Inox is a high-performance water block for the NVIDIA RTX™ A5500 GPU, cooling the die, VRAM, and VRM under a single cooling engine with low hydraulic flow restriction. Construction is machined from nickel-plated copper and stainless steel for long-term durability.

The block is compatible with NVIDIA NVLink connectors and uses a POM-machined 45°-angled terminal block with two G1/4″ ports for integration with EK-Pro QDC kits and manifolds. An integrated single-slot I/O plate provides sturdiness and chassis rear panel compatibility.

A retention backplate provides structural rigidity and passive cooling to the PCB VRM area. A side-mounted standoff is included for GPU brace applications, ensuring secure mounting during chassis transport and movement.

### Full-cover cooling

GPU die, VRAM, and VRM cooled under one block body with low hydraulic flow restriction.

### NVLink compatible

Block geometry maintains NVLink connector clearance for dual-GPU NVLink workstation configurations.

### 45° angled terminal

POM-machined 45°-angled terminal block routes tubing clear of the adjacent PCIe slot.

### Integrated I/O plate

Single-slot I/O plate integrated into the block body for sturdiness and chassis rear panel compatibility.

### Retention backplate

Provides structural rigidity and passive cooling to the PCB VRM area on the reverse of the board.

### Side-mounted standoff

GPU brace standoff for secure mounting during chassis transport and movement.

### Low-restriction full-cover design

The block cools the GPU die, VRAM, and VRM under a single cooling engine with low hydraulic flow restriction. This maintains correct thermal performance with a wide range of pump specifications, including modest setups where total loop pressure budget is constrained by multiple blocks in series.

### 45° angled terminal · NVLink clearance

The 45°-angled POM terminal block routes G1/4″ ports away from the adjacent PCIe slot. The retention backplate and integrated I/O plate maintain NVLink connector geometry, supporting dual-GPU NVLink configurations. A side-mounted standoff provides a brace point for GPU mounting during chassis transport.

### Pressure envelope

Working pressure is 2 500 Pa. Maximum rated pressure is 30 000 Pa in loops containing an EK-Pro Pump Reservoir Manifold, and 75 000 Pa in all other configurations. Figures are published at the supplier level and are consistent across the GPU water-block family.

## Technical drawing

[Top & side view, in millimetres](https://cdn.sanity.io/images/5gtqpiph/production/01f0b63965e3917b7a14179a6f0286338e1ad5fe-1600x1067.png)

## Download resources

Product documentation for specification, integration, and installation is available below. Revision numbers are printed on page one of each file.

- [Installation manual](https://cdn.sanity.io/files/5gtqpiph/production/7dd2c12e056c39a2505a7729b0af9acfaa2b11c1.pdf) · Rev 1.0 · Torque sequence, TIM application maps, and the leak-test protocol. Read before first fitting.

A CAD STEP file of the full block assembly is available to partners on request – contact LM TEK engineering before specifying at fleet scale.

## In the box

- EK-Pro GPU WB RTX A5500 - 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