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Black mid-tower workstation chassis with front panel details

HP

HP Z4 G4 Workstation Xeon W-2235 3.8GHz 6C 128GB DDR4 2TB NVMe Quadro RTX 5000 16GB Windows 11 Pro

SKU CH-BKXY-PD3CY

Mid-tower workstation with 6-core Xeon processor, 128GB DDR4 ECC memory, 2TB NVMe storage and Quadro RTX 5000 graphics for professional 3D and compute workloads

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity128 GB DDR4
  • SSD storage2 TB PCIe
  • GraphicsNVIDIA Quadro RTX 5000
  • Operating systemWindows 11 Pro
  • 6-core Xeon W-2235 reaches 4.6GHz turbo for fast compute
  • 128GB DDR4 2933 ECC memory handles large datasets reliably
  • 2TB NVMe SSD provides high-speed project storage
  • Quadro RTX 5000 16GB GDDR6 drives professional 3D and rendering
  • 1000W 80 Plus Gold 90% efficient PSU powers demanding workloads

Professional Workstation for Demanding Workflows

The HP Z4 G4 is a mid-tower business desktop built for compute-intensive professional applications. It ships with an Intel Xeon W-2235 six-core processor running at 3.8GHz with a 4.6GHz turbo frequency. The system includes 128GB of DDR4 2933MHz ECC registered memory configured as four 32GB modules. An Nvidia Quadro RTX 5000 graphics card with 16GB GDDR6 memory drives visual workloads.

Graphics Interface and Memory Limits

The Quadro RTX 5000 connects via a PCIe slot and provides four DisplayPort 1.4 outputs plus a VirtualLink connector for display connectivity. The GPU uses a 256-bit memory interface with 16GB of GDDR6 video memory. The workstation supports a maximum of 512GB of DDR4 2933 ECC memory across its DIMM slots. The 2TB M.2 NVMe solid-state drive occupies one PCIe-based storage slot for high-speed system responsiveness.

Compatibility Checks Before Ordering

Verify that your displays accept DisplayPort 1.4 or VirtualLink inputs to match the graphics card outputs. Confirm the LGA 2066 socket platform aligns with your intended processor upgrade path, as the board is designed for Intel Xeon W and Core X-series CPUs. Ensure your workflow software is certified for ISV compatibility with this hardware configuration. The 1000W 80 Plus Gold power supply requires a standard mains connection rated for its draw.

How it compares

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

Price $2,408.99
Cheaper than about 65% of the 2,161 comparable items (median $5,687.99).
RAM capacity 128 GB DDR4
Higher than about 60% 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 capacity128 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

Should I choose the 128GB DDR4 2933MHz configuration or add more memory later?

The system ships with 128GB across four 32GB DDR4 2933MHz ECC registered modules and supports up to 512GB total, so you can expand later if workloads demand it.

What does the Xeon W-2235 3.8GHz 6-core processor deliver in daily use?

The Xeon W-2235 runs at a 3.8GHz base clock with a 4.6GHz turbo frequency across six cores, providing strong single-thread speed and multi-thread throughput for CAD, simulation and rendering tasks.

How does the Quadro RTX 5000 16GB GDDR6 connect to displays and what does the interface allow?

The card provides four DisplayPort 1.4 outputs and a VirtualLink connector, driving multiple high-resolution monitors from the 256-bit GDDR6 frame buffer for professional visualisation workflows.

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