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Black mid-tower workstation chassis with front panel vents and HP branding

HP

HP Z4 G4 Workstation Xeon W-2235 3.8GHz 256GB DDR4 4TB NVMe Quadro P5000 16GB

SKU CH-2TMG-V98GV

Mid-tower workstation with a 3.8 GHz Xeon W-2235, 256 GB DDR4 ECC memory, 4 TB NVMe SSD and Quadro P5000 16 GB graphics, running Windows 11 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity256 GB DDR4
  • SSD storage4 TB PCIe
  • GraphicsNVIDIA Quadro P5000
  • Operating systemWindows 11 Pro
  • 6-core Xeon W-2235 reaches 4.6 GHz turbo for compute-heavy tasks
  • 256 GB DDR4-2933 ECC memory handles large datasets reliably
  • 4 TB NVMe SSD provides fast, high-capacity project storage
  • Quadro P5000 16 GB GDDR5X drives 3D CAD and rendering
  • 1000 W 80 Plus Gold PSU delivers efficient, stable power

HP Z4 G4 Xeon Workstation

The HP Z4 G4 is a mid-tower workstation built around an Intel Xeon W-2235 3.8GHz 6-core processor that reaches 4.6GHz Turbo. It ships with 256GB DDR4 2933MHz ECC Registered memory across eight 32GB modules and a 4TB PCIe NVMe SSD. Nvidia Quadro P5000 16GB GDDR5X graphics with four DisplayPort 1.4 and one DVI-D DL outputs drive professional visualisation workloads. Windows 11 Pro is pre-installed.

Installation and Common Issues

The chassis uses toolless access for memory, storage and expansion cards, so the 8 DIMM slots and M.2 bays are reachable without a screwdriver. The 1000W 80 Plus Gold supply uses standard ATX connectors; verify cable routing clearance for full-length cards. ECC Registered DDR4 2933 modules must match the installed 32GB sticks — mixing unbuffered or different speeds will prevent boot. Quadro P5000 occupies a double-width PCIe slot and needs its auxiliary power lead seated firmly.

Pre-Purchase Checks

Confirm your workload benefits from ECC Registered DDR4 and the LGA 2066 Xeon platform; consumer Core X-series CPUs do not support ECC on this board. The 512GB maximum memory ceiling limits future expansion beyond the factory 256GB. Quadro P5000 requires DisplayPort 1.4 or DVI-D DL monitors — HDMI adapters may not carry full resolution or 10-bit colour. Ensure your software stack is certified for Quadro drivers and Windows 11 Pro.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $3,498.99
Pricier than about 91% of the 14,711 comparable items (median $494.99).
RAM capacity 256 GB DDR4
Higher than about 92% of the 13,125 comparable items (median 16 GB).
SSD storage 4 TB PCIe
Higher than about 91% of the 11,342 comparable items (median 512 GB).

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 storage4 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 do I verify the Xeon W-2235 is boosting to 4.6 GHz after setup?

Open Task Manager's Performance tab and watch the CPU frequency climb to 4.6 GHz under a heavy single-thread load.

What ships in the box and what must I source separately?

The mid-tower chassis, 1000 W 80 Plus Gold power supply, Xeon W-2235, eight 32 GB DDR4 2933 ECC modules, 4 TB NVMe SSD, Quadro P5000 with four DisplayPort 1.4 and one DVI-D DL, plus Windows 11 Pro; add your own monitor, keyboard and mouse.

Which memory capacity should I choose for this workstation?

The system arrives with 256 GB (8×32 GB) DDR4 2933 ECC registered; the board supports up to 512 GB if your datasets regularly exceed the factory amount.

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