HP Z4 G4 Mid-Tower Business Desktop Xeon W-2223 3.6GHz 128GB DDR4 500GB NVMe Quadro P5000 16GB Windows 11 Pro

HP Z4 G4 Xeon W-2223 Workstation

The HP Z4 G4 is a mid-tower business desktop built for professional workloads. It runs an Intel Xeon W-2223 quad-core processor at 3.6 GHz with a 3.9 GHz turbo frequency. The system includes 128 GB of DDR4 2666 ECC registered memory and a 500 GB PCIe NVMe SSD. An Nvidia Quadro P5000 with 16 GB GDDR5X drives four DisplayPort 1.4 outputs and a dual-link DVI port. Windows 11 Pro is pre-installed.

Suits memory-heavy workflows not multi-GPU builds

This workstation suits engineers and designers who need large ECC memory capacity and certified professional graphics for CAD, rendering or simulation. The single-processor LGA 2066 platform supports up to 512 GB of DDR4. Buyers who need dual-processor scaling or multiple full-length graphics cards should look at a different platform. The 1000 W 80 Plus Gold supply powers the included configuration with headroom for storage expansion.

128 GB DDR4 2666 ECC registered memory

The installed 128 GB kit uses four 32 GB DDR4 2666 ECC registered modules. This memory type is required for Xeon W-2223 stability and error correction. The board accepts DDR4 up to 512 GB total across eight slots. Selecting non-ECC or unregistered DDR4 will prevent the system from posting. Match the registered ECC specification exactly when adding capacity.