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Black mid-tower workstation chassis with front I/O panel and side venting

HP

HP Z4 G4 Mid-Tower Workstation Xeon W-2223 3.6GHz 256GB DDR4 1TB NVMe Quadro P5000 16GB Windows 11 Pro

SKU CH-SJ3K-81NHD

Mid-tower workstation with a 3.6 GHz Xeon W-2223, 256 GB DDR4 ECC memory, 1 TB NVMe SSD and Quadro P5000 16 GB graphics for professional compute and visualisation workloads

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity256 GB DDR4
  • SSD storage1 TB PCIe
  • GraphicsNVIDIA Quadro P5000
  • Operating systemWindows 11 Pro
  • Intel Xeon W-2223 4-core CPU at 3.6 GHz with 3.9 GHz turbo
  • 256 GB DDR4 2666 ECC registered memory in eight 32 GB modules
  • 1 TB PCIe NVMe solid-state drive for fast system responsiveness
  • NVIDIA Quadro P5000 16 GB GDDR5X graphics with four DisplayPort 1.4 outputs
  • 1000 W 80 Plus Gold power supply rated at 90 % efficiency

Professional Workstation Build

This HP Z4 G4 mid-tower workstation pairs an Intel Xeon W-2223 3.6GHz (3.9GHz Turbo) 4-core processor with 256GB DDR4 2666MHz ECC registered memory. It targets engineers, designers and analysts who need certified application stability and large memory capacity for complex simulations or 3D CAD projects.

Quadro Graphics and High-Efficiency Power

The bundled Nvidia Quadro P5000 16GB GDDR5X 256-bit card provides four DisplayPort 1.4 outputs and one dual-link DVI-D for multi-display visualisation workflows. A 1000W 80 Plus Gold 90% efficient power supply delivers certified headroom for the GPU and storage subsystem under sustained professional loads.

Tool-Less Access and Memory Ceiling

Tool-less chassis entry simplifies drive swaps and PCIe card upgrades, while eight occupied DIMM slots mean any future memory expansion requires replacing existing 32GB modules. The board supports up to 512GB total, so buyers planning beyond 256GB must budget for a full kit replacement rather than a simple addition.

How it compares

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

Price $1,646.99
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 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 2666
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 many DDR4 2666 ECC modules are installed and can I add more later?

Eight 32 GB DDR4 2666 ECC registered modules fill the current 256 GB; the board supports up to 512 GB total.

Will the 1000 W 80 Plus Gold power supply limit the Quadro P5000 during long renders?

The 1000 W 80 Plus Gold unit provides ample headroom for the Quadro P5000 16 GB and Xeon W-2223 under sustained load.

How loud does the mid-tower get when the Xeon and Quadro run all day?

Tool-less access and a 90 % efficient 1000 W supply keep thermals controlled, so fan noise stays low during extended workloads.

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