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Black mid-tower workstation chassis, clean front panel with HP branding

HP

HP Z4 G4 Business Desktop Xeon W-2235 128GB DDR4 4TB NVMe Quadro P2000

SKU CH-XV5F-YEAYN

Mid-tower workstation with a 6-core Xeon W-2235, 128GB DDR4 ECC memory, 4TB NVMe SSD and Quadro P2000 5GB graphics for professional workloads

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity128 GB DDR4
  • SSD storage4 TB PCIe
  • GraphicsNVIDIA Quadro P2000
  • Operating systemWindows 11 Pro
  • Intel Xeon W-2235 6-core processor reaches 4.6GHz turbo for demanding compute tasks
  • 128GB DDR4 2933 ECC registered memory supports large datasets with error correction
  • 4TB NVMe PCIe solid state drive provides fast system responsiveness and high-capacity storage
  • NVIDIA Quadro P2000 5GB GDDR5 graphics with four DisplayPort 1.4 outputs drives professional 3D workflows
  • 1000W 80 Plus Gold 90% efficient power supply delivers reliable energy for sustained workloads

Professional single-processor workstation

The HP Z4 G4 is a mid-tower business desktop built around an Intel Xeon W-2235 six-core processor running at 3.8GHz with a 4.6GHz turbo frequency. It ships with 128GB of DDR4 2933 ECC registered memory in a four-module configuration and a 4TB PCIe NVMe solid-state drive. Windows 11 Pro is pre-installed and activated.

Upgrade from entry desktops or older towers

This system replaces basic business PCs that lack ECC memory, professional graphics certification or the 512GB maximum memory ceiling supported by the LGA 2066 platform. The jump is justified when workloads demand ISV-certified stability for CAD, rendering or simulation tasks that exceed consumer-grade component validation.

Sustained load behaviour

A 1000W 80 Plus Gold power supply rated at 90% efficiency feeds the Xeon CPU and Nvidia Quadro P2000 with 5GB GDDR5 across a 160-bit bus. The Quadro drives four DisplayPort 1.4 outputs for multi-monitor visualisation while the integrated Gigabit Ethernet and high-definition audio handle persistent network and media streams without throttling.

How it compares

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

Price $2,299.99
Cheaper than about 66% 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 4 TB PCIe
Higher than about 70% 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 capacity128 GB DDR4
RAM type and speedDDR4 2933
Max supported RAM512 GB
Storage
SSD storage4 TB PCIe
Display
Screen sizeNo Screen
Graphics
GraphicsNVIDIA Quadro P2000
Size & build
Form factorMid Tower
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro

Questions about this item

What are the dimensions of the mid-tower chassis and which motherboard form factor does it accept?

The HP Z4 G4 uses a mid-tower chassis designed for the LGA 2066 socket motherboard. Tool-less access panels allow installation of full-length graphics cards like the included Quadro P2000 and standard ATX power supplies.

How do I install additional DDR4 2933 ECC registered memory modules into the four DIMM slots?

Open the tool-less side panel, locate the eight DIMM slots, and insert the 32 GB modules into the correct channels for quad-channel operation; the retaining clips must click fully to seat the ECC registered sticks.

When should the 1000 W 80 Plus Gold power supply or the Quadro P2000 graphics card be replaced?

Replace the 1000 W 80 Plus Gold unit if it fails to maintain stable 90 % efficiency under load or shows capacitor aging; swap the Quadro P2000 when 5 GB GDDR5 memory limits viewport performance in certified ISV applications.

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