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Black mid-tower workstation chassis, front panel visible

HP

HP Z4 G4 Business Desktop Xeon W-2235 3.8GHz 256GB DDR4 1TB NVMe Quadro P2000

SKU CH-GJ1A-A7FJ4

Mid-tower workstation with a 6-core Xeon W-2235, 256GB DDR4 ECC memory, 1TB NVMe SSD and Quadro P2000 5GB graphics for professional CAD and rendering

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity256 GB DDR4
  • SSD storage1 TB PCIe
  • GraphicsNVIDIA Quadro P2000
  • Operating systemWindows 11 Pro
  • Intel Xeon W-2235 6-core 3.8 GHz up to 4.6 GHz Turbo
  • 256 GB DDR4 2933 ECC registered memory in 8×32 GB modules
  • 1 TB NVMe SSD for fast system responsiveness
  • NVIDIA Quadro P2000 5 GB GDDR5 160-bit with four DP 1.4 outputs
  • 1000 W 80 Plus Gold 90 % efficient power supply

Workstation for Multi-Application Workloads

The HP Z4 G4 combines a six-core Xeon W-2235 processor running at 3.8 GHz with 256 GB of DDR4-2933 ECC memory. A 1 TB NVMe drive provides fast primary storage while the Quadro P2000 adds 5 GB of GDDR5 VRAM across four DisplayPort 1.4 outputs. Windows 11 Pro is pre-installed on this mid-tower system.

Suited to Memory-Intensive Professional Tasks

Engineers handling large assemblies, analysts running in-memory databases, or editors working with multi-layer timelines will benefit from the 256 GB capacity and ECC protection. Buyers who need more than 512 GB of total memory or who require multiple high-end GPUs for GPU-compute clusters should evaluate larger platforms.

256 GB DDR4-2933 ECC Registered Memory

The system ships with eight 32 GB modules populating every slot on this single-processor board. That configuration delivers the full 256 GB immediately but leaves no free DIMM sockets for further expansion without removing existing memory.

How it compares

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

Price $3,234.99
Cheaper than about 62% of the 2,161 comparable items (median $5,687.99).
RAM capacity 256 GB DDR4
Higher than about 90% of the 2,095 comparable items (median 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 capacity256 GB DDR4
RAM type and speedDDR4 2933
Max supported RAM512 GB
Storage
SSD storage1 TB PCIe
Display
Screen sizeNo Screen
Graphics
GraphicsNVIDIA Quadro P2000
Size & build
Form factorMid Tower
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro

Questions about this item

How much noise and heat does the 1000W 80 Plus Gold power supply produce when the Xeon W-2235 runs at 4.6GHz Turbo all day?

The 1000W 80 Plus Gold unit runs at 90% efficiency, so waste heat stays low even under sustained 4.6GHz Turbo loads; the mid-tower chassis uses thermostatically controlled fans that spin up only when core temperatures rise, keeping acoustic output modest during long render or compute sessions.

Which display connectors must my monitors already have to use the Quadro P2000 5GB GDDR5 160-bit graphics card?

The Quadro P2000 provides four DisplayPort 1.4 outputs, so each monitor needs a DisplayPort 1.4 input or a compatible adapter for HDMI or DVI.

Will the LGA 2066 motherboard and DDR4 2933 ECC registered memory work with older PCIe 3.0 expansion cards I want to keep?

Yes, the Z4 G4 mid-tower includes multiple PCIe 3.0 slots that are backward compatible with PCIe 3.0, 2.0 and 1.0 cards, and the 256GB DDR4 2933 ECC registered DIMMs operate independently of the expansion bus.

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