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Black mid-tower workstation chassis with side panel removed showing internal components

HP

HP Z4 G4 Workstation Xeon W-2223 3.6GHz 128GB DDR4 500GB NVMe Quadro RTX 4000 8GB Windows 11 Pro

SKU CH-N8Z1-0TRSH

Mid-tower workstation with Xeon W-2223 3.6 GHz processor, 128 GB DDR4 ECC memory, 500 GB NVMe SSD and Quadro RTX 4000 8 GB graphics

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity128 GB DDR4
  • SSD storage500 GB pcie
  • GraphicsNVIDIA Quadro RTX 4000
  • Operating systemWindows 11 Pro
  • Intel Xeon W-2223 3.6 GHz (3.9 GHz turbo) four-core CPU powers demanding professional workloads
  • 128 GB DDR4 2666 MHz ECC registered memory handles large datasets and complex simulations
  • 500 GB M.2 NVMe solid-state drive delivers fast system responsiveness and project storage
  • NVIDIA Quadro RTX 4000 8 GB GDDR6 graphics with 3× DisplayPort 1.4 and USB-C drives 3D CAD, rendering and GPU-accelerated tasks
  • 1000 W 80 Plus Gold 90 % efficient power supply supports expandable Mid Tower configuration for future upgrades

Target Workstation

The HP Z4 G4 is a mid-tower business desktop built around an Intel Xeon W-2223 processor running at 3.6 GHz with a 3.9 GHz turbo boost. It ships with 128 GB of DDR4 2666 ECC registered memory in a four-by-32 GB configuration. An NVIDIA Quadro RTX 4000 graphics card with 8 GB of GDDR6 memory provides certified driver support for professional 3D and visualization applications. The system arrives with Windows 11 Pro installed.

Build Integration

A 500 GB PCIe NVMe M.2 drive handles the operating system and active project files while additional internal bays and M.2 slots remain open for SATA or NVMe expansion. The Quadro RTX 4000 offers three DisplayPort 1.4 outputs and one USB-C connector for multi-display setups. A 1000 W 80 Plus Gold power supply rated at 90 percent efficiency delivers headroom for further GPU or storage upgrades. Tool-less chassis access simplifies the installation of extra memory up to the 512 GB maximum or additional PCIe cards.

Upgrade Path

This workstation replaces an aging single-socket tower that cannot address large datasets or drive certified professional graphics. The jump is justified when ECC memory integrity, ISV-certified drivers, and a 256-bit GPU memory bus become daily requirements for CAD, rendering, or simulation workloads. Buyers who need dual-processor scaling or more than four CPU cores should evaluate larger platform classes.

How it compares

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

Price $1,086.99
Cheaper than about 73% of the 2,161 comparable items (median $5,687.99).
RAM capacity 128 GB DDR4
Higher than about 60% of the 2,095 comparable items (median 64 GB).
SSD storage 500 GB pcie
Lower than about 90% of the 2,058 comparable items (median 2 TB).

Specifications

Product
Product lineZ4
Model nameG4
Product typeBusiness Desktops & Workstations
Recommended useBusiness
Product colorBlack
Processor
ProcessorIntel Xeon
CPU socketLGA 2066
Memory
RAM capacity128 GB DDR4
RAM type and speedDDR4 2666
Max supported RAM512 GB
Storage
SSD storage500 GB pcie
Display
Screen sizeNo Screen
Graphics
GraphicsNVIDIA Quadro RTX 4000
Size & build
Form factorMid Tower
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro

Questions about this item

What thermal limit appears first when the Xeon W-2223 runs at 3.9 GHz Turbo for extended periods?

The 4-core Xeon W-2223 reaches its 3.9 GHz Turbo ceiling before the mid-tower cooling saturates, so clock throttling is the first sustained-use limit.

How loud and hot does the 1000 W 80 Plus Gold supply get when the Quadro RTX 4000 8 GB is rendering all day?

The 90 % efficient 1000 W unit stays cool and quiet because the Xeon plus Quadro RTX 4000 load remains well within its capacity during continuous rendering.

Which displays and cables must I already own to use the 3x DP 1.4 and 1x USB-C outputs on the Quadro RTX 4000?

You need monitors with DisplayPort 1.4 or USB-C video inputs plus matching cables; no monitor or cable is included with the workstation.

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