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Black mid-tower workstation chassis, clean front panel with subtle HP branding

HP

HP Z4 G4 Workstation Xeon W-2225 256GB DDR4 1TB NVMe RTX 5000 16GB Win11 Pro

SKU CH-XKCD-4MS15

Mid-tower workstation with Xeon W-2225 4.1GHz four-core processor, 256GB DDR4 2933 ECC memory, 1TB NVMe SSD and Nvidia Quadro RTX 5000 16GB graphics for professional CAD and rendering workloads

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity256 GB DDR4
  • SSD storage1 TB PCIe
  • GraphicsNVIDIA Quadro RTX 5000
  • Operating systemWindows 11 Pro
  • Intel Xeon W-2225 4.1 GHz base and 4.6 GHz turbo speeds accelerate compute-intensive tasks
  • 256 GB DDR4 2933 MHz ECC registered memory handles large datasets reliably
  • 1 TB PCIe NVMe SSD delivers fast system responsiveness and project storage
  • NVIDIA Quadro RTX 5000 16 GB GDDR6 graphics powers 3D CAD and rendering workloads
  • HP 1000 W 80 Plus Gold 90 % efficient power supply supports expandable configurations

HP Z4 G4 Workstation Xeon W-2225

The HP Z4 G4 is a mid-tower workstation built for professionals running compute-intensive applications. It pairs an Intel Xeon W-2225 4-core processor with 256GB of DDR4 2933MHz ECC registered memory. A 1TB M.2 NVMe SSD provides fast system responsiveness. The Nvidia Quadro RTX 5000 16GB GDDR6 graphics adapter supports multi-display workflows.

Sustained load performance

The Xeon W-2225 operates at a 4.1GHz base frequency and reaches 4.6GHz with Turbo Boost for single-threaded bursts. The 1000W 80 Plus Gold power supply runs at 90% efficiency to deliver stable power during extended rendering or simulation tasks. ECC memory detects and corrects data errors to maintain reliability across large datasets. The mid-tower chassis uses toolless access for thermal management during long sessions.

Build quality and connectivity

The black mid-tower chassis offers toolless entry for straightforward hardware upgrades and maintenance. The Quadro RTX 5000 provides four DisplayPort 1.4 outputs and a VirtualLink connector for modern display setups. Integrated Gigabit Ethernet and high-definition audio handle network and sound without add-in cards. Windows 11 Pro 64-bit is pre-installed with digital activation for immediate deployment.

How it compares

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

Price $3,575.99
Cheaper than about 60% 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 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 capacity256 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 loud and hot does the 1000W 80 Plus Gold PSU get under full load?

The 1000W 80 Plus Gold supply runs at 90% efficiency, so waste heat and fan noise stay lower than standard units during sustained Xeon W-2225 and RTX 5000 workloads.

Which display cables and monitors are needed for the Quadro RTX 5000?

The card provides four DisplayPort 1.4 outputs and one VirtualLink port; you must supply monitors with matching inputs and appropriate cables.

Will my existing DDR4 2933 ECC RDIMMs work alongside the installed 256GB?

Yes, the eight 32GB DDR4 2933 ECC registered modules fill half the slots; you can add identical DDR4 2933 ECC RDIMMs up to the 512GB maximum.

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