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

HP

HP Z4 G4 Workstation Xeon W-2235 256GB DDR4 2TB NVMe Quadro RTX 5000 16GB Windows 11 Pro

SKU CH-6D90-4TZ0Z

Mid-tower workstation with a 3.8 GHz six-core Xeon, 256 GB DDR4 ECC memory, 2 TB NVMe storage and a Quadro RTX 5000 16 GB GPU for professional rendering and simulation

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity256 GB DDR4
  • SSD storage2 TB PCIe
  • GraphicsNVIDIA Quadro RTX 5000
  • Operating systemWindows 11 Pro
  • Intel Xeon W-2235 6-core processor reaches 4.6GHz turbo for fast compute
  • 256GB DDR4 2933 ECC memory handles large datasets with reliability
  • 2TB NVMe SSD provides rapid storage access for project files
  • NVIDIA Quadro RTX 5000 16GB GDDR6 drives professional 3D and GPU workloads
  • 1000W 80 Plus Gold 90% efficient power supply supports full system performance

HP Z4 G4 Workstation Xeon W-2235 256GB DDR4

This HP Z4 G4 mid-tower workstation is built for professional workflows requiring high memory capacity and certified graphics. It ships new with Windows 11 Pro, an Intel Xeon W-2235 six-core processor reaching 4.6GHz turbo, and a 1000W 80 Plus Gold power supply. The system targets engineers and creators running compute-intensive applications.

Suited for large-dataset simulation

The 256GB DDR4 2933 ECC registered memory and Quadro RTX 5000 16GB GDDR6 card support ISV-certified 3D CAD, visualization and GPU-accelerated tasks. Buyers who need more than 512GB maximum memory capacity or a dual-processor platform should look at a different workstation class. The single Xeon W-2235 limits multi-socket scalability.

256GB DDR4 2933 ECC memory decides fit

Eight 32GB modules populate the board today, leaving headroom to the 512GB ceiling for future expansion. The 2TB PCIe NVMe SSD provides fast primary storage for active projects. Confirm your application benefits from ECC registered DDR4 and the LGA 2066 platform before purchasing.

How it compares

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

Price $3,610.99
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 2 TB PCIe
Typical for this category: the median of 2,058 items is 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 storage2 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 do I install the 256GB DDR4 2933 memory and what step is often missed?

The 256GB kit uses eight 32GB ECC registered DDR4 modules; the step often missed is seating every module until the retention clips click on both sides.

What maintenance will the 1000W 80 Plus Gold power supply need later?

The 1000W 80 Plus Gold PSU may need fan cleaning and eventual unit replacement after extended high-load operation.

What limit appears first on the Quadro RTX 5000 16GB during sustained workloads?

The 16GB GDDR6 frame buffer fills first on large scenes, causing texture swapping to system memory.

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