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Black mid-tower workstation chassis with front I/O panel and ventilation grille

HP

HP Z4 G4 Business Desktop Xeon W-2225 4.1GHz 16GB DDR4 1TB NVMe Quadro RTX 4000 8GB Windows 11 Pro

SKU CH-HNA2-C7G7V

Mid-tower workstation with Xeon W-2225 4.1 GHz processor, 16 GB DDR4 ECC memory, 1 TB NVMe SSD and Quadro RTX 4000 8 GB graphics for professional CAD and rendering

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity16 GB DDR4
  • SSD storage1 TB PCIe
  • GraphicsNVIDIA Quadro RTX 4000
  • Operating systemWindows 11 Pro
  • Intel Xeon W-2225 4.1 GHz with 4.6 GHz turbo for fast compute
  • 16 GB DDR4 2933 ECC memory ensures data integrity for critical workloads
  • 1 TB NVMe SSD delivers rapid system responsiveness and project storage
  • NVIDIA Quadro RTX 4000 8 GB GDDR6 certified for professional 3D CAD and rendering
  • 1000 W 80 Plus Gold 90 % efficient power supply supports stable expandable performance

Z4 G4 Mid-Tower Workstation

The HP Z4 G4 is a new mid-tower business desktop built around a single-socket Intel Xeon W-2225 processor. It targets professionals running compute-intensive applications such as 3D CAD, rendering and simulation workloads that benefit from certified ISV reliability.

16GB DDR4 2933 ECC with 512GB ceiling

The system ships with 16GB of DDR4 2933 ECC registered memory in a two-by-eight configuration. Four additional slots allow expansion up to 512GB, giving headroom for large datasets before the platform limit is reached.

Quadro RTX 4000 8GB GDDR6 plus 1000W Gold PSU

The Nvidia Quadro RTX 4000 provides 8GB of GDDR6 memory on a 256-bit bus with three DisplayPort 1.4 outputs and one USB-C graphics connector. A 1000W 80 Plus Gold power supply rated at 90% efficiency delivers stable power for the GPU and future expansion cards.

How it compares

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

Price $755.99
Cheaper than about 77% of the 2,161 comparable items (median $5,687.99).
RAM capacity 16 GB DDR4
Lower than about 80% 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 capacity16 GB DDR4
RAM type and speedDDR4 2933
Max supported RAM512 GB
Storage
SSD storage1 TB PCIe
Display
Screen sizeNo Screen
Graphics
GraphicsNVIDIA Quadro RTX 4000
Size & build
Form factorMid Tower
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro

Questions about this item

Can I keep my older DDR4 2933 ECC registered modules and add them to the 16 GB already installed?

Yes, the board supports up to 512 GB of DDR4 2933 ECC registered memory, so your existing modules can fill the remaining slots.

How can I verify the Quadro RTX 4000 is running at full x16 bandwidth after installation?

In Windows Device Manager check the GPU link width — it should show PCIe x16, and NVIDIA Control Panel will report the 256-bit GDDR6 interface.

What cables and accessories come in the box besides the workstation itself?

The system ships with a power cord; monitors, DisplayPort cables and USB-C video adapters are not included.

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