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

HP

HP Z4 G4 Mid-Tower Workstation Xeon W-2235 3.8GHz 256GB DDR4 2TB NVMe Quadro P2000 5GB Windows 11 Pro

SKU CH-3RGJ-PTBDV

Mid-tower workstation with a 6-core Xeon W-2235 at 3.8GHz, 256GB DDR4-2933 ECC memory, 2TB NVMe SSD and Quadro P2000 5GB graphics

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity256 GB DDR4
  • SSD storage2 TB PCIe
  • GraphicsNVIDIA Quadro P2000
  • Operating systemWindows 11 Pro
  • Xeon W-2235 3.8 GHz with 4.6 GHz turbo handles heavy compute
  • 256 GB DDR4 2933 ECC memory keeps large datasets reliable
  • 2 TB PCIe NVMe SSD provides fast system responsiveness
  • Quadro P2000 5 GB GDDR5 drives professional 3D and GPU workloads
  • 1000 W 80 Plus Gold PSU delivers efficient, stable power

Workstation Overview

The HP Z4 G4 is a mid-tower business workstation built for professional workloads that demand high core counts and large memory capacity. It ships new with Windows 11 Pro and an Intel Xeon W-2235 six-core processor running at 3.8 GHz with a 4.6 GHz turbo frequency. The system includes an Nvidia Quadro P2000 graphics card with 5 GB GDDR5 memory and four DisplayPort 1.4 outputs. Integrated gigabit Ethernet and high-definition audio handle baseline connectivity.

Memory and Storage Headroom

The platform populates all eight DIMM slots with 32 GB modules, delivering 256 GB of DDR4 2933 ECC registered memory out of a 512 GB maximum supported capacity. This configuration leaves no empty slots for further expansion without removing existing modules. A 2 TB PCIe NVMe M.2 solid-state drive provides the primary boot and project volume. Additional internal bays and M.2 slots documented in the chassis design allow combinations of SATA and NVMe drives for larger datasets.

Power and Graphics Interface Limits

The workstation is powered by a 1000 W 80 Plus Gold power supply rated at 90 percent efficiency, which sets the practical ceiling for total system draw and future GPU upgrades. The installed Quadro P2000 uses a 160-bit memory interface and connects via four DisplayPort 1.4 connectors, limiting external display configurations to that interface standard. Multiple PCIe slots support professional graphics options, but any added card must operate within the power budget and physical clearance of the mid-tower chassis.

How it compares

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

Price $3,084.99
Cheaper than about 63% 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 P2000
Size & build
Form factorMid Tower
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro

Questions about this item

Will the 256GB DDR4 2933MHz ECC registered memory work with my existing non-ECC DDR4 modules?

The workstation uses 256GB (8x 32GB) DDR4 2933MHz ECC registered memory. Mixing ECC registered modules with non-ECC unbuffered modules is not supported and will prevent the system from booting.

How can I verify the Nvidia Quadro P2000 5GB is operating correctly after installation?

Open Windows Device Manager and confirm the Nvidia Quadro P2000 appears under Display adapters without error codes. Run the Nvidia control panel to verify the 5GB GDDR5 memory and four DisplayPort 1.4 outputs are detected.

What comes in the box and what must I purchase separately?

The box contains the HP Z4 G4 mid-tower workstation with Intel Xeon W-2235 processor, 256GB DDR4 ECC memory, 2TB NVMe SSD, Quadro P2000 graphics card, 1000W 80 Plus Gold power supply, and Windows 11 Pro. A monitor, keyboard, and mouse are not included.

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