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

HP

HP Z4 G4 Workstation Xeon W-2225 256GB DDR4 2TB NVMe Quadro RTX 5000 16GB Windows 11 Pro

SKU CH-H2J0-105FA

Mid-tower workstation with Xeon W-2225, 256GB DDR4 ECC, 2TB NVMe, Quadro RTX 5000 16GB, 1000W Gold PSU, Windows 11 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity256 GB DDR4
  • SSD storage2 TB PCIe
  • GraphicsNVIDIA Quadro RTX 5000
  • Operating systemWindows 11 Pro
  • Intel Xeon W-2225 4.1 GHz with 4.6 GHz Turbo for fast compute
  • 256 GB DDR4 2933 ECC memory handles large datasets reliably
  • 2 TB NVMe SSD provides rapid storage access
  • NVIDIA Quadro RTX 5000 16 GB GDDR6 drives professional graphics workloads
  • 1000 W 80 Plus Gold 90% efficient power supply delivers stable energy

Built for Demanding Professional Workflows

This HP Z4 G4 workstation targets engineers, designers and analysts who need certified single-processor performance. It ships with a Xeon W-2225 four-core CPU running at 4.1 GHz with a 4.6 GHz turbo frequency. The system includes 256 GB of DDR4 2933 ECC registered memory across eight 32 GB modules and a 2 TB PCIe NVMe drive. Windows 11 Pro is pre-installed for immediate deployment.

Memory Ceiling and Graphics Interface Limits

The platform supports a maximum of 512 GB of DDR42933 ECC SDRAM, so this 256 GB configuration leaves room for future expansion. The Quadro RTX 5000 provides 16 GB of GDDR6 memory on a 256-bit bus and outputs through four DisplayPort 1.4 connectors plus a VirtualLink port. Integrated Gigabit Ethernet and high-definition audio handle baseline connectivity without extra cards.

Mid-Tower Serviceability and Power Headroom

The black mid-tower chassis offers toolless access to internal components and multiple PCIe slots for add-in cards. A 1000 W 80 Plus Gold power supply rated at 90 % efficiency delivers stable power for the GPU and storage array. Multiple internal bays and M.2 slots allow mixing SATA and NVMe drives as project storage needs grow. No monitor is included.

How it compares

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

Price $3,804.99
Cheaper than about 59% 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 RTX 5000
Size & build
Form factorMid Tower
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro

Questions about this item

Should I pick the 256 GB DDR4 2933 kit or add more later?

The system ships with 256 GB as eight 32 GB DDR4 2933 ECC registered modules. The board supports up to 512 GB, so you can expand later if workloads grow.

What does the Xeon W-2225 4.1 GHz base and 4.6 GHz turbo mean for daily rendering?

Four cores run at 4.1 GHz base and can boost to 4.6 GHz, giving strong single-thread speed for interactive viewport work while the Quadro RTX 5000 handles final frame rendering.

How does the PCIe NVMe interface affect the 2 TB drive speed in this chassis?

The 2 TB M.2 drive uses a PCIe NVMe link, so read and write throughput is limited by the drive controller and the platform PCIe lanes rather than a SATA bottleneck.

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