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Black mid-tower workstation with front panel ports and side panel visible

HP

HP Z4 G4 Workstation Xeon W-2235 128GB DDR4 2TB NVMe Quadro RTX 4000

SKU CH-MHKX-RWJ9Q

Mid-tower workstation with a 6-core Xeon W-2235, 128GB DDR4 ECC memory, 2TB NVMe SSD and Quadro RTX 4000 graphics for professional 3D and compute workloads

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity128 GB DDR4
  • SSD storage2 TB PCIe
  • GraphicsNVIDIA Quadro RTX 4000
  • Operating systemWindows 11 Pro
  • 6-core Xeon W-2235 hits 4.6 GHz turbo for fast compute
  • 128 GB DDR4 2933 ECC memory handles large datasets reliably
  • 2 TB NVMe SSD gives rapid project storage access
  • Quadro RTX 4000 8 GB GDDR6 drives professional 3D workloads
  • 1000 W 80 Plus Gold supply delivers stable power efficiency

Professional Single-Processor Workstation

The HP Z4 G4 mid-tower workstation delivers professional single-processor performance for demanding workflows. It features an Intel Xeon W-2235 3.8GHz processor with 4.6GHz turbo, 128GB DDR4 2933 ECC registered memory, 2TB NVMe SSD, and Nvidia Quadro RTX 4000 8GB graphics running Windows 11 Pro.

Suited for ISV-certified CAD and simulation.

This configuration suits engineers and designers running ISV-certified 3D CAD, rendering, and GPU-accelerated applications that rely on professional drivers. Buyers who need dual-socket scaling or higher core counts for massive simulations should look at larger platforms.

128GB DDR4 2933 ECC registered memory

The system includes 128GB across four 32GB DDR4 2933 ECC registered modules with a 512GB maximum capacity. This memory configuration decides whether the workstation can hold your active datasets without paging.

How it compares

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

Price $2,138.99
Cheaper than about 67% 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 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 capacity128 GB DDR4
RAM type and speedDDR4 2933
Max supported RAM512 GB
Storage
SSD storage2 TB 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

How much power does the 1000W 80 Plus Gold supply draw at full load?

The 1000W 80 Plus Gold unit is rated for 90% efficiency at typical loads, so full-load AC draw will be higher than the 1000W DC output it delivers to components.

What display connectors does the Quadro RTX 4000 provide for monitors I already own?

The card offers three DisplayPort 1.4 outputs and one USB-C connector, supporting up to four displays simultaneously.

Will my existing DDR4 2933 ECC registered modules work alongside the installed 128GB kit?

The system uses four 32GB DDR4 2933 ECC registered DIMMs; additional modules must match that specification and the board supports up to 512GB total.

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