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HP Z4 G4 tower workstation in silver finish

HP

HP Z4 G4 Workstation Xeon W-2135 3.7GHz 32GB 250GB NVMe 2TB Quadro P1000

SKU CH-F9PK-EFPFV

Tower workstation with a six-core 3.7GHz Xeon, 32GB DDR4 ECC, 250GB NVMe, 2TB SATA, and Quadro P1000 4GB graphics for professional CAD and rendering

  • TypeTower
  • Redundant Hot-swap PowerNo
  • CPU TypeIntel Xeon
  • MAX Processors1
  • Chipset750W
  • Installed Memory Size32GB

Installed Memory Size 32GB

SSD (Installed) 250GB

HDD 2TB

  • Six-core Xeon W-2135 at 3.7 GHz powers demanding professional workloads
  • 32 GB DDR4 ECC memory enables smooth multitasking with larger project files
  • 250 GB NVMe SSD provides quick access to applications and active datasets
  • NVIDIA Quadro P1000 with 4 GB GDDR5 drives CAD, rendering and multi-display setups
  • Windows 11 pre-installed for immediate out-of-box professional use

Professional CAD workstation

The HP Z4 G4 tower workstation is built for engineers, designers and content creators who need reliable performance for CAD, rendering and data-heavy applications. A single Intel Xeon W-2135 six-core processor running at 3.7GHz with 12 threads handles multi-threaded workloads. The system ships with 32GB of DDR4 ECC memory across four channels and a 250GB NVMe drive alongside a 2TB SATA drive. Windows 11 is preinstalled for immediate setup.

Thermals and power in daily use

The 750W power supply delivers energy to the Xeon CPU and NVIDIA Quadro P1000 graphics card with 4GB GDDR5 memory. Internal 3.5-inch bays include acoustic dampening rail assemblies to reduce vibration noise during typical office hours. Two LAN ports provide wired network connectivity without adding wireless hardware. The Quadro P1000 drives up to four displays through Mini DisplayPort 1.4 outputs for multi-monitor professional setups.

Sustained load behaviour

Four-channel DDR4 architecture at 2666MHz maintains memory bandwidth during extended rendering or simulation tasks. Onboard SATA controller with RAID 0/1/5/10 support keeps storage arrays stable under continuous read and write cycles. Eight DIMM slots allow memory expansion up to 512GB when larger datasets exceed the installed 32GB capacity. Two PCI Express x16 Gen 3 slots support additional graphics cards for compute-intensive workloads beyond the Quadro P1000 capability.

Highlights

  • Six-core Xeon W-2135 at 3.7 GHz powers demanding professional workloads
  • 32 GB DDR4 ECC memory enables smooth multitasking with larger project files
  • 250 GB NVMe SSD provides quick access to applications and active datasets
  • NVIDIA Quadro P1000 with 4 GB GDDR5 drives CAD, rendering and multi-display setups
  • Windows 11 pre-installed for immediate out-of-box professional use

Specifications

BrandHP
SeriesZ Series
ModelZ4 G4
TypeTower
Redundant Hot-swap PowerNo
CPU TypeIntel Xeon
MAX Processors1
Chipset750W
Installed Memory Size32GB
Memory TypeDDR4
Max Memory Capacity32GB
Memory FeaturesFour channel memory up to 2666MHz DDR4 ECC memory, 2 DIMMs per Channel, 8 DIMM Slots.
Number of Memory Slots8
SSD (Installed)250GB
Raid LevelRAID 0/1/5/10
Max HDD Capacity1
Media DrivesDVD +/- RW
GPU TypeNVIDIA Quadro P1000
Video Memory4GB
LAN Ports2 x Ports
Expansion SlotsSlot 1: PCI Express Gen3 x16 (from CPU), Slot 2: PCI Express Gen3 x4 (from PCH) with open-ended connector*, Slot 3: PCI Express Gen3 x16 (from CPU), Slot 4: PCI Express Gen3 x4 (from PCH) with open-ended connector*, Slot 5: PCI Express Gen3 x8 (from CPU) with open-ended
connector*, , and M.2 Slot 1: M.2 PCIe Gen 3 x4 (from CPU) up to 80mm storage devices
Operating SystemWindows 11 Pro
Weight45.0000LBS

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Questions about this item

How do I install DDR4 ECC memory into the eight DIMM slots on the Z4 G4, and which step is often done incorrectly?

Populate the eight slots in the four-channel order shown in the service guide, using matched DDR4 ECC modules; the common mistake is mixing capacities or skipping a channel, which forces the system into single-channel mode.

What maintenance or replacement will the 750 W power supply and the Quadro P1000 4 GB GDDR5 card need over time?

Clean the intake filters and fan heatsinks every few months; the PSU and GPU are not hot-swap, so any failure means a full shutdown and card swap.

Which limit appears first when the Xeon W-2135 3.7 GHz runs sustained loads with the 750 W supply?

The 750 W power budget caps combined CPU and GPU draw before thermal throttling becomes the bottleneck.

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