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Black mid-tower workstation chassis, tool-less side panel, front I/O and power button

HP

HP Z4 G4 Business Desktop Xeon W-2225 4.1GHz 256GB DDR4 500GB NVMe RTX 4000 8GB Windows 11 Pro

SKU CH-GTEQ-95RFY

Mid-tower workstation with Xeon W-2225 4.1GHz, 256GB DDR4 ECC memory, 500GB NVMe SSD and Quadro RTX 4000 8GB graphics for professional workloads

  • TypeBusiness Desktops & Workstations
  • Form FactorMid Tower
  • Operating SystemWindows 11 Pro
  • UsageBusiness
  • ColorBlack
  • MonitorMonitor not included
  • Intel Xeon W-2225 4-core CPU reaches 4.6 GHz turbo for fast single-thread speed
  • 256 GB DDR4 2933 ECC memory handles large datasets with error correction
  • 500 GB NVMe SSD provides rapid boot and project load times
  • NVIDIA Quadro RTX 4000 8 GB GDDR6 drives certified 3D CAD and rendering workflows
  • 1000 W 80 Plus Gold PSU delivers 90 % efficient power for stable operation

Single-Processor Xeon Workstation

The HP Z4 G4 is a new mid-tower business desktop built around an Intel Xeon W-2225 4-core processor running at 4.1 GHz with a 4.6 GHz turbo frequency. It ships with 256 GB of DDR4 2933 ECC registered memory across eight 32 GB modules and a 500 GB PCIe NVMe solid-state drive. An Nvidia Quadro RTX 4000 graphics card with 8 GB GDDR6 memory and three DisplayPort 1.4 outputs plus one USB-C connector drives professional visual workloads. Windows 11 Pro 64-bit is pre-installed and digitally activated.

1000W Gold PSU Thermal Envelope

A 1000 W 80 Plus Gold power supply rated at 90 percent efficiency delivers power to the CPU, memory, storage and GPU under sustained load. The mid-tower chassis uses toolless access for serviceability while the single-processor design keeps the thermal envelope predictable for typical workstation tasks. Integrated Gigabit Ethernet and high-definition audio handle networking and sound without add-in cards.

512GB Memory Ceiling & ISV Certification

The platform supports a maximum of 512 GB of DDR4 2933 ECC memory, allowing future expansion beyond the factory 256 GB configuration. Multiple PCIe slots and additional internal bays accept SATA and NVMe drives for storage growth. The system carries ISV certification with leading professional applications, meaning the hardware and driver stack are validated for stable operation in 3D CAD, rendering, visualization and GPU-accelerated workflows.

Punti di forza

  • Intel Xeon W-2225 4-core CPU reaches 4.6 GHz turbo for fast single-thread speed
  • 256 GB DDR4 2933 ECC memory handles large datasets with error correction
  • 500 GB NVMe SSD provides rapid boot and project load times
  • NVIDIA Quadro RTX 4000 8 GB GDDR6 drives certified 3D CAD and rendering workflows
  • 1000 W 80 Plus Gold PSU delivers 90 % efficient power for stable operation

Caratteristiche tecniche

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 4000
Memory Capacity256GB DDR4
Memory SpeedDDR4 2933
Maximum Memory Supported512 GB
SSD500 GB pcie
SeriesZ4
ModelG4
Screen SizeNo Screen

Domande su questo articolo

How do I install the eight 32GB DDR4 2933 ECC modules and what step is often missed?

Populate all eight DIMM slots in the labelled channel order, then enable ECC in the BIOS; skipping the BIOS step leaves error correction inactive.

Which component will need replacement first — the 1000W 80 Plus Gold PSU or the Quadro RTX 4000 GPU?

The 1000W 80 Plus Gold power supply typically reaches its rated lifespan before the Quadro RTX 4000 under continuous professional workloads.

What thermal limit appears first on the Xeon W-2225 during sustained 4.6GHz Turbo loads?

The CPU hits its thermal throttle point before the 1000W PSU or GPU reach their limits.

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