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Black mid-tower workstation with side panel removed showing internal components

HP

HP Z4 G4 Business Desktop Xeon W-2225 4.1GHz 256GB DDR4 1TB NVMe Quadro P5000 16GB

SKU CH-4KQH-FR8MQ

Mid-tower workstation with Xeon W-2225 4.1GHz, 256GB DDR4, 1TB NVMe and Quadro P5000 16GB for professional 3D and compute workloads

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity256 GB DDR4
  • SSD storage1 TB PCIe
  • GraphicsNVIDIA Quadro P5000
  • Operating systemWindows 11 Pro
  • Intel Xeon W-2225 4.1 GHz (4.6 GHz Turbo) 4-core CPU accelerates compute-intensive workloads
  • 256 GB DDR4 2933 MHz ECC registered memory handles large datasets reliably
  • 1 TB M.2 NVMe PCIe SSD provides fast system responsiveness
  • NVIDIA Quadro P5000 16 GB GDDR5X with 4× DP 1.4 and DVI-D DL drives professional graphics
  • HP 1000 W 80 Plus Gold 90 % efficient PSU powers expandable mid-tower chassis

Built for compute-heavy workflows

This HP Z4 G4 mid-tower workstation targets professionals who run memory-intensive simulations, large-model CAD or GPU-accelerated rendering. The 256 GB DDR4 2933 ECC configuration and Quadro P5000 16 GB GDDR5X give headroom for multi-application workloads that exceed typical desktop limits. Windows 11 Pro is pre-installed and digitally activated.

256 GB DDR4 2933 ECC registered memory

Eight 32 GB modules fill half the board's 512 GB maximum, leaving four slots open for future expansion without replacing existing sticks. ECC protection guards data integrity during long compute runs. The LGA 2066 Xeon W-2225 runs at 4.1 GHz base with a 4.6 GHz turbo ceiling across its four cores.

1 TB NVMe boot plus Quadro P5000 16 GB VRAM

The PCIe NVMe drive delivers fast OS and project loading, while the 16 GB GDDR5X frame buffer on a 256-bit bus handles 4K viewports and moderate GPU render jobs through four DisplayPort 1.4 and one dual-link DVI output. Buyers needing more than 16 GB VRAM or more than 256 GB system memory today should plan a different configuration.

How it compares

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

Price $2,969.99
Cheaper than about 63% 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 P5000
Size & build
Form factorMid Tower
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro

Questions about this item

How does the 4.1 GHz base clock of the Xeon W-2225 behave once the workstation is under load?

The 4-core Xeon W-2225 runs at 4.1 GHz base and can boost to 4.6 GHz Turbo when thermal headroom allows, giving high single-thread speed for CAD and simulation tasks.

What display outputs does the Quadro P5000 provide and what resolution limits apply?

The card offers four DisplayPort 1.4 connectors and one dual-link DVI-D, driving up to four 5K or two 8K panels simultaneously for multi-monitor visualisation.

What physical space and power connections does the Quadro P5000 need inside the Z4 G4 mid-tower?

The full-height, dual-slot Quadro P5000 fits a PCIe x16 slot in the mid-tower chassis and draws power from the 1000 W 80 Plus Gold supply via its onboard connectors.

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