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HP

HP Z4 G4 Workstation Xeon W-2225 64GB DDR4 1TB NVMe Quadro RTX 5000 16GB

SKU CH-Z5GC-44ZJ5

Mid-tower workstation with a 4-core Xeon W-2225, 64GB DDR4 ECC, 1TB NVMe SSD and Quadro RTX 5000 16GB graphics

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity64 GB DDR4
  • SSD storage1 TB PCIe
  • GraphicsNVIDIA Quadro RTX 5000
  • Operating systemWindows 11 Pro
  • Intel Xeon W-2225 at 4.1 GHz base with 4.6 GHz turbo for responsive compute
  • 64 GB DDR4 2933 ECC registered memory ensures data integrity on large datasets
  • 1 TB PCIe NVMe SSD provides fast system responsiveness and project storage
  • Nvidia Quadro RTX 5000 16 GB GDDR6 with 256-bit bus and four DP 1.4 outputs drives professional 3D workloads
  • 1000 W 80 Plus Gold 90 % efficient power supply delivers reliable energy for demanding configurations

HP Z4 G4 Xeon W-2225 Workstation

The HP Z4 G4 is a mid-tower business workstation built around an Intel Xeon W-2225 processor running at 4.1 GHz with a 4.6 GHz turbo frequency across four cores. It ships with 64 GB of DDR4 2933 ECC registered memory in a four-module configuration. A 1 TB PCIe NVMe solid-state drive provides the primary system storage. The unit includes Windows 11 Pro pre-installed.

Suited for ISV-certified professional applications

This system targets engineers, designers and analysts who rely on certified Nvidia Quadro RTX 5000 graphics with 16 GB GDDR6 memory for 3D CAD, rendering and visualisation workloads. The 1000 W 80 Plus Gold power supply supports the installed components with headroom for additional internal drives or PCIe expansion cards. Buyers who need more than four CPU cores or who require multi-processor scaling should evaluate alternative platforms.

Quadro RTX 5000 16 GB GPU decides fit

The Nvidia Quadro RTX 5000 graphics card delivers a 256-bit memory interface and four DisplayPort 1.4 outputs plus VirtualLink for high-resolution display connectivity. Its 16 GB GDDR6 frame buffer determines the maximum model complexity and texture resolution that can be handled in GPU-accelerated workflows. If the intended applications demand larger GPU memory or different certified driver stacks, this specific graphics configuration will not meet the requirement.

How it compares

Measured against everything we stock in Business & Office Desktops, at today’s prices. Recalculated every night.

Price $1,348.99
Cheaper than about 70% of the 2,161 comparable items (median $5,687.99).
RAM capacity 64 GB DDR4
Typical for this category: the median of 2,095 items is 64 GB.
SSD storage 1 TB PCIe
Lower than about 60% of the 2,058 comparable items (median 2 TB).

Specifications

Product
Product lineZ4
Model nameG4
Product typeBusiness Desktops & Workstations
Recommended useBusiness
Product colorBlack
Processor
ProcessorIntel Xeon
CPU socketLGA 2066
Memory
RAM capacity64 GB DDR4
RAM type and speedDDR4 2933
Max supported RAM512 GB
Storage
SSD storage1 TB PCIe
Display
Screen sizeNo Screen
Graphics
GraphicsNVIDIA Quadro RTX 5000
Size & build
Form factorMid Tower
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro

Questions about this item

How do I install the 4x 16GB DDR4 2933 ECC modules into the LGA 2066 workstation, and what step is often missed?

Open the toolless chassis, align each module notch with the DDR4 slot key, press firmly until both latches click, then verify all four show in BIOS at 2933 MHz — skipping the latch check leaves a stick partially seated.

Which component will likely need replacement first during heavy professional use?

The 1000W 80 Plus Gold power supply is the primary wear item; its electrolytic capacitors age under sustained 90% efficiency loads, so plan a swap after several years of continuous operation.

What thermal or power limit appears first when the Xeon W-2225 runs at 4.6GHz Turbo under sustained load?

The 1000W PSU and mid-tower airflow constrain the 4.6GHz Turbo; the CPU will throttle to stay within the power envelope and chassis cooling capacity before the 512GB memory ceiling is reached.

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