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Black mid-tower workstation chassis, front panel with power button and ports

HP

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

SKU CH-SQRN-NP9HY

Mid-tower workstation with a 6-core Xeon W-2235 at 3.8 GHz, 16 GB DDR4 ECC memory, 2 TB NVMe SSD and an NVIDIA Quadro RTX 5000 16 GB GPU for professional 3D and compute workloads

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity16 GB DDR4
  • SSD storage2 TB PCIe
  • GraphicsNVIDIA Quadro RTX 5000
  • Operating systemWindows 11 Pro
  • 6-core Xeon W-2235 hits 4.6 GHz turbo for fast single-thread speed
  • 16 GB DDR4-2933 ECC memory protects data integrity on heavy workloads
  • 2 TB NVMe SSD gives rapid boot and project load times
  • Quadro RTX 5000 16 GB GDDR6 drives certified 3D and GPU compute
  • 1000 W 80 Plus Gold PSU delivers stable power for expansion

Professional workstation for compute-intensive

The HP Z4 G4 mid-tower workstation delivers single-processor performance built for demanding professional applications. An Intel Xeon W-2235 6-core processor runs at 3.8GHz with a 4.6GHz turbo frequency, paired with 16GB DDR4 2933MHz ECC registered memory. A 2TB PCIe NVMe SSD provides fast system responsiveness, while Windows 11 Pro 64-bit is pre-installed for immediate deployment.

Nvidia Quadro RTX 5000 16GB GDDR6 graphics

The installed Nvidia Quadro RTX 5000 16GB GDDR6 256-bit graphics adapter drives 3D CAD, rendering and GPU-accelerated workloads with certified professional application support. Four DisplayPort 1.4 outputs plus VirtualLink enable multi-display configurations for visualization tasks. The 1000W 80 Plus Gold 90% efficient power supply supports the GPU and additional internal components.

Verify memory expansion and storage bay requirements

This configuration includes 16GB DDR4 2933 ECC registered memory across two slots; the platform supports up to 512GB total capacity for larger datasets. Multiple internal storage bays and M.2 slots accept combinations of SATA and PCIe NVMe drives for added project storage. Tool-less access simplifies future upgrades and maintenance of PCIe components.

How it compares

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

Price $1,182.99
Cheaper than about 72% 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 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 capacity16 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

When will the 16GB DDR4 2933 ECC memory need upgrading?

The board supports up to 512 GB DDR4 2933 ECC registered memory, so you can add modules later when workloads exceed the current 16 GB capacity.

What limits sustained compute performance first?

The Xeon W-2235 runs at 3.8 GHz base with a 4.6 GHz turbo on six cores, so thermal throttling on the CPU package will appear before memory or storage bandwidth saturates.

How loud and hot does the 1000W 80 Plus Gold PSU get under all-day load?

The 1000 W 80 Plus Gold supply runs at 90 % efficiency, reducing waste heat and fan noise compared to lower-rated units during continuous operation.

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