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Black mid-tower workstation chassis with front I/O panel and side venting

HP

HP Z4 G4 Mid-Tower Workstation Xeon W-2235 256GB DDR4 4TB NVMe RTX 5000 16GB Windows 11 Pro

SKU CH-HKPJ-HHD1Q

Mid-tower workstation with Xeon W-2235 6-core processor, 256GB DDR4 ECC memory, 4TB NVMe SSD and RTX 5000 16GB graphics

  • TypeBusiness Desktops & Workstations
  • Form FactorMid Tower
  • Operating SystemWindows 11 Pro
  • UsageBusiness
  • ColorBlack
  • MonitorMonitor not included
  • Intel Xeon W-2235 6-core processor reaches 4.6GHz turbo for compute-intensive workloads
  • 256GB DDR4 2933 ECC registered memory handles large datasets with error correction
  • 4TB NVMe SSD provides fast system responsiveness and high-capacity project storage
  • NVIDIA Quadro RTX 5000 16GB GDDR6 graphics certified for 3D CAD and rendering
  • 1000W 80 Plus Gold power supply delivers 90% efficient power for expandable configurations

Workstation for Demanding Professional Workflows

The HP Z4 G4 is a mid-tower business desktop built for compute-intensive applications. It ships with an Intel Xeon W-2235 processor, 256GB of DDR4 2933 ECC registered memory and an Nvidia Quadro RTX 5000 graphics adapter with 16GB GDDR6. Windows 11 Pro is pre-installed and digitally activated.

Memory Capacity and Storage Headroom

The system provides 256GB of DDR4 2933 ECC memory across eight 32GB modules, with the platform supporting up to 512GB for larger datasets. A 4TB M.2 NVMe solid-state drive delivers fast system responsiveness and high-capacity project storage. Internal bays and additional M.2 slots allow further expansion with SATA or PCIe NVMe drives.

Thermals Noise and Power Delivery

A 1000W 80 Plus Gold power supply rated at 90% efficiency delivers stable power to the Xeon processor and RTX 5000 graphics card. The mid-tower chassis is engineered for professional reliability with toolless access to internal components. Integrated Gigabit Ethernet and high-definition audio handle connectivity without add-in cards.

Highlights

  • Intel Xeon W-2235 6-core processor reaches 4.6GHz turbo for compute-intensive workloads
  • 256GB DDR4 2933 ECC registered memory handles large datasets with error correction
  • 4TB NVMe SSD provides fast system responsiveness and high-capacity project storage
  • NVIDIA Quadro RTX 5000 16GB GDDR6 graphics certified for 3D CAD and rendering
  • 1000W 80 Plus Gold power supply delivers 90% efficient power for expandable configurations

Specifications

TypeBusiness Desktops & Workstations
Form FactorMid Tower
Operating SystemWindows 11 Pro
UsageBusiness
ColorBlack
MonitorMonitor not included
CPU TypeIntel Xeon
CPU Socket TypeLGA 2066
GPU/VGA TypeNVIDIA Quadro RTX 5000
Memory Capacity256GB DDR4
Memory SpeedDDR4 2933
Maximum Memory Supported512 GB
SSD4 TB PCIe
SeriesZ4
ModelG4
Screen SizeNo Screen

Questions about this item

Will my existing DDR4 2933 ECC registered modules work with the 8x 32GB configuration already installed?

The workstation ships with 256GB across eight 32GB DDR4 2933 ECC registered DIMMs. The board supports up to 512GB, so matching modules can be added to the remaining slots.

How can I verify the Quadro RTX 5000 16GB is running at full PCIe bandwidth after installation?

Open GPU-Z or NVIDIA Control Panel and confirm the bus interface shows x16 Gen 3 or higher with 16GB GDDR6 detected and all four DisplayPort 1.4 outputs active.

Which cables and adapters are included for the 4TB NVMe drive and the RTX 5000 graphics card?

The 4TB M.2 NVMe SSD is pre-installed. The RTX 5000 includes four DisplayPort 1.4 connectors and a VirtualLink port; no video cables or drive brackets are supplied.

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