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Black mid-tower workstation chassis, clean front panel with subtle branding

HP

HP Z4 G4 Workstation Xeon W-2235 3.8GHz 64GB DDR4 1TB NVMe Quadro P4000 8GB Windows 11 Pro

SKU CH-0DRQ-9S5PD

Mid-tower workstation with a 6-core Xeon W-2235 at 3.8 GHz, 64 GB DDR4 ECC memory, 1 TB NVMe SSD and Quadro P4000 8 GB graphics for professional 3D and compute workloads

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity64 GB DDR4
  • SSD storage1 TB PCIe
  • GraphicsNVIDIA Quadro P4000
  • Operating systemWindows 11 Pro
  • Xeon W-2235 reaches 4.6 GHz turbo for fast single-thread speed
  • 64 GB DDR4 2933 ECC memory handles large datasets reliably
  • 1 TB NVMe SSD gives quick system responsiveness
  • Quadro P4000 8 GB GDDR5 drives professional 3D workloads
  • 1000 W 80 Plus Gold supply delivers efficient power

Professional Workstation Platform

The HP Z4 G4 mid-tower workstation delivers professional single-processor performance for demanding workflows. It is built around an Intel Xeon W-2235 six-core processor running at 3.8GHz with a 4.6GHz turbo frequency. The system includes 64GB of DDR4 2933 ECC registered memory and a 1TB PCIe NVMe solid-state drive. Nvidia Quadro P4000 graphics with 8GB GDDR5 memory drive professional visualisation tasks. Windows 11 Pro is pre-installed for immediate deployment.

Memory and Storage Constraints

The platform supports a maximum of 512GB DDR4-2933 ECC SDRAM on Xeon configurations, limiting total memory expansion to eight slots. Internal storage combines M.2 slots for PCIe NVMe drives with traditional bays for SATA devices, defining the upgrade path for capacity and speed. The included 1000W 80 Plus Gold power supply operates at 90% efficiency, setting the practical ceiling for additional internal components. Four DisplayPort 1.4 outputs on the graphics card determine the native display connectivity limit.

ECC Registered Memory Requirement

The 64GB configuration uses four 16GB DDR4 2933 ECC registered modules, making ECC registered memory the single specification that decides compatibility for any future memory upgrade. Standard unbuffered DDR4 modules will not function in this workstation. Buyers who need non-ECC memory or higher speeds than 2933MHz must select a different platform. The LGA 2066 socket and Xeon W-series processor line define the processor upgrade boundary within this chassis.

How it compares

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

Price $1,009.99
Cheaper than about 74% of the 2,161 comparable items (median $5,687.99).
RAM capacity 64 GB DDR4
Typical for this category: the median of 2,095 items is 64 GB.
SSD storage 1 TB PCIe
Lower than about 60% 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 capacity64 GB DDR4
RAM type and speedDDR4 2933
Max supported RAM512 GB
Storage
SSD storage1 TB PCIe
Display
Screen sizeNo Screen
Graphics
GraphicsNVIDIA Quadro P4000
Size & build
Form factorMid Tower
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro

Questions about this item

Should I pick the 64 GB DDR4 2933 kit or add more modules later?

The system ships with 64 GB (4 × 16 GB) DDR4 2933 ECC registered memory and supports up to 512 GB total, so you can expand later if workloads grow.

What does the Xeon W-2235 3.8 GHz base and 4.6 GHz turbo mean for daily CAD renders?

Six cores at 3.8 GHz base with a 4.6 GHz turbo give strong single-thread speed for viewport work and enough multi-thread throughput for moderate render jobs.

How does the Quadro P4000 8 GB GDDR5 256-bit with DP 1.4 connectors perform in a real workstation?

The 8 GB GDDR5 frame buffer and four DisplayPort 1.4 outputs drive multiple 4 K or 5 K displays directly for 3D CAD, visualization and GPU-accelerated tasks.

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