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Black mid-tower workstation chassis with front panel ports and ventilation

HP

HP Z4 G4 Workstation Xeon W-2223 3.6GHz 256GB DDR4 500GB NVMe RTX 5000 16GB

SKU CH-NX5B-G5VXC

Mid-tower workstation with a 3.6 GHz Xeon W-2223, 256 GB DDR4 ECC memory, 500 GB NVMe SSD and Quadro RTX 5000 16 GB graphics for professional compute and visualisation

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity256 GB DDR4
  • SSD storage500 GB pcie
  • GraphicsNVIDIA Quadro RTX 5000
  • Operating systemWindows 11 Pro
  • Intel Xeon W-2223 3.6 GHz (3.9 GHz Turbo) 4-core CPU accelerates compute-intensive professional applications
  • 256 GB DDR4-2666 ECC registered memory (8 × 32 GB modules) ensures reliable performance for large datasets
  • 500 GB PCIe NVMe M.2 SSD delivers fast system responsiveness and project storage
  • NVIDIA Quadro RTX 5000 16 GB GDDR6 with four DisplayPort 1.4 outputs powers 3D CAD, rendering and GPU-accelerated workloads
  • HP 1000 W 80 Plus Gold 90 % efficient power supply supports expandable configurations and sustained high loads

HP Z4 G4 Xeon Workstation

The HP Z4 G4 Mid Tower workstation delivers professional single-processor performance with an Intel Xeon W-2223 3.6GHz four-core processor, 256GB DDR4 2666 ECC registered memory, a 500GB NVMe SSD, and an Nvidia Quadro RTX 5000 16GB GDDR6 graphics card running Windows 11 Pro. It is built for engineers, designers, and data scientists who need certified application stability and large memory capacity in a serviceable chassis.

Suits memory-heavy professional workloads

This system suits users running large datasets, complex simulations, 3D CAD, rendering, and GPU-accelerated applications that benefit from 256GB of ECC memory and ISV-certified Quadro graphics. Buyers who need dual-processor scalability or more than 512GB maximum memory capacity should look at larger workstation platforms. Those requiring only entry-level graphics or consumer-grade components will find the specification excessive.

256GB DDR4 2666 ECC memory configuration

The installed 256GB DDR4 2666 ECC registered memory across eight 32GB modules occupies all available DIMM slots on this Xeon W-2223 platform. Any future memory expansion requires replacing existing modules, so the 512GB maximum supported capacity is only reachable by populating slots with higher-density 64GB modules when they become available.

How it compares

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

Price $1,647.99
Cheaper than about 69% of the 2,161 comparable items (median $5,687.99).
RAM capacity 256 GB DDR4
Higher than about 90% of the 2,095 comparable items (median 64 GB).
SSD storage 500 GB pcie
Lower than about 90% 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 capacity256 GB DDR4
RAM type and speedDDR4 2666
Max supported RAM512 GB
Storage
SSD storage500 GB 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 256GB DDR4 2666 memory modules in the eight slots, and which step is often missed?

The workstation uses eight DIMM slots for the 8x 32GB DDR4 2666 ECC registered modules; the step often missed is seating each module until the ejector clips click fully into the notches on both ends.

What maintenance or replacement will the 1000W 80 Plus Gold power supply and the Quadro RTX 5000 16GB graphics card need later?

The 1000W 80 Plus Gold power supply and the Quadro RTX 5000 16GB graphics card may need dust removal from their heatsinks and fan assemblies to maintain thermal performance over time.

What limit appears first when the Xeon W-2223 runs at 3.9GHz turbo under sustained load?

The 4-core Xeon W-2223 hitting its 3.9GHz turbo ceiling is the first limit under sustained heavy compute, before the 256GB DDR4 2666 memory or 500GB NVMe SSD become bottlenecks.

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