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

HP

HP Z4 G4 Mid-Tower Business Desktop Xeon W-2235 3.8GHz 256GB DDR4 500GB NVMe Quadro P4000 8GB Windows 11 Pro

SKU CH-PDZN-TS3D7

Mid-tower workstation with a 6-core Xeon W-2235, 256GB DDR4 ECC memory, 500GB NVMe SSD and Quadro P4000 8GB graphics

  • Screen sizeNo Screen
  • ProcessorIntel Xeon
  • RAM capacity256 GB DDR4
  • SSD storage500 GB pcie
  • GraphicsNVIDIA Quadro P4000
  • Operating systemWindows 11 Pro
  • 6-core Xeon W-2235 reaches 4.6 GHz turbo for fast compute
  • 256 GB DDR4 2933 ECC memory handles large datasets reliably
  • 500 GB NVMe SSD gives quick system responsiveness
  • Quadro P4000 8 GB GDDR5 drives professional 3D workloads
  • 1000 W 80 Plus Gold PSU delivers stable power efficiency

Professional Xeon W-2235 Workstation

The HP Z4 G4 combines an Intel Xeon W-2235 six-core processor running at 3.8 GHz with 4.6 GHz turbo and 256 GB of DDR4 2933 ECC registered memory. A 500 GB M.2 NVMe drive provides fast boot and project access. NVIDIA Quadro P4000 8 GB GDDR5 graphics with four DisplayPort 1.4 outputs drives professional visualisation workloads. Windows 11 Pro is pre-installed and digitally activated.

Sustained 1000 W Gold Power Delivery

The integrated 1000 W 80 Plus Gold power supply operates at 90 % efficiency to maintain stable voltage during long rendering or simulation sessions. ECC DDR4 2933 memory detects and corrects single-bit errors to prevent data corruption over extended runs. The mid-tower chassis uses tool-less access for airflow paths that keep CPU and GPU temperatures controlled under continuous load. ISV certification validates reliability with leading professional applications.

Tool-less Mid-Tower Expandability

Eight DDR4 slots are populated with 32 GB modules leaving room to reach the 512 GB maximum supported capacity. Multiple PCIe slots and internal drive bays allow additional NVMe, SATA or GPU upgrades without tools. Four DisplayPort 1.4 connectors support multi-monitor setups directly from the Quadro card. Integrated Gigabit Ethernet and high-definition audio handle network and sound without extra cards. Buyers needing more than 500 GB of primary storage or a second graphics card must add components themselves.

How it compares

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

Price $2,958.99
Cheaper than about 63% 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 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 capacity256 GB DDR4
RAM type and speedDDR4 2933
Max supported RAM512 GB
Storage
SSD storage500 GB 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

How much power does the 1000W 80 Plus Gold supply draw under full load from the Xeon W-2235 and Quadro P4000?

The 1000W unit is rated 80 Plus Gold (90% efficient at typical load), so sustained full-system draw stays within that envelope while the 6-core Xeon hits 4.6GHz Turbo and the P4000 drives four DisplayPort 1.4 outputs.

Which display cables and monitors are needed to use the four DisplayPort 1.4 ports on the Quadro P4000?

You must provide up to four DisplayPort 1.4-compatible cables and monitors; the card supplies 8GB GDDR5 across a 256-bit bus but includes no adapters or displays in the box.

Can the LGA 2066 motherboard accept my existing DDR4 2933 ECC registered modules alongside the installed 8×32GB kit?

Yes — the board supports up to 512GB of DDR4 2933 ECC registered memory, so additional identical DIMMs can fill the remaining slots without mixing speeds or ranks.

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