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Black mid-tower workstation chassis, front panel with power button and ports

HP

HP Z4 G4 Business Desktop Xeon W-2235 128GB 4TB NVMe Quadro P5000 16GB Windows 11 Pro

SKU CH-5QKF-NPRVE

Mid-tower workstation with Xeon W-2235 6-core processor, 128GB DDR4 ECC memory, 4TB NVMe SSD and Quadro P5000 16GB graphics

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity128 GB DDR4
  • SSD storage4 TB PCIe
  • GraphicsNVIDIA Quadro P5000
  • 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
  • 4 TB NVMe SSD gives high-capacity responsive storage
  • Quadro P5000 16 GB GDDR5X drives professional 3D and GPU workloads
  • 1000 W 80 Plus Gold PSU delivers stable power for expansion

Professional workstation for compute-intensive

The HP Z4 G4 is a new mid-tower business desktop built around an Intel Xeon W-2235 processor with 6 cores running at 3.8 GHz and a 4.6 GHz turbo frequency. It ships with 128 GB of DDR4 2933 ECC registered memory in a 4 x 32 GB configuration and a 4 TB PCIe NVMe solid-state drive. An Nvidia Quadro P5000 graphics card with 16 GB GDDR5X memory and a 256-bit interface drives professional visualisation workloads. Windows 11 Pro is pre-installed and digitally activated.

Tool-free chassis with professional I/O

The black mid-tower enclosure uses a tool-less design for straightforward access to internal components. The Quadro P5000 provides four DisplayPort 1.4 outputs and one dual-link DVI-D connector for multi-display setups. Integrated Gigabit Ethernet and high-definition audio handle networking and sound without add-in cards. A 1000 W 80 Plus Gold power supply rated at 90 % efficiency delivers stable power to the CPU, memory and graphics subsystem.

Verify memory, storage and slot requirements

This system uses DDR4 2933 ECC registered DIMMs; confirm that any additional modules match this specification before ordering. The motherboard supports a maximum of 512 GB across its available slots. The 4 TB boot drive occupies an M.2 NVMe slot; check remaining M.2 and SATA bays if you plan to add further storage. Ensure your displays use DisplayPort 1.4 or dual-link DVI-D inputs to match the graphics card outputs.

How it compares

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

Price $2,269.99
Cheaper than about 66% 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 4 TB PCIe
Higher than about 70% 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 2933
Max supported RAM512 GB
Storage
SSD storage4 TB PCIe
Display
Screen sizeNo Screen
Graphics
GraphicsNVIDIA Quadro P5000
Size & build
Form factorMid Tower
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro

Questions about this item

What PCIe standard does the 4 TB NVMe drive use and what practical throughput does it cap at?

The 4 TB drive is a PCIe NVMe SSD; its practical throughput is limited by the PCIe generation of the Z4 G4 motherboard M.2 slot.

What physical space and power connectors does the Quadro P5000 16 GB require inside the mid-tower chassis?

The Quadro P5000 is a dual-slot full-height card with 256-bit GDDR5X memory; it needs one 8-pin PCIe power connector from the 1000 W 80 Plus Gold supply.

How are the four 32 GB DDR4-2933 ECC RDIMMs installed and which slot-population rule is commonly missed?

Install the four modules in the four black DIMM slots (one per channel) for quad-channel operation; the common mistake is populating only the blue slots and leaving channels empty.

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