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HP Z4 G4 tower workstation, silver-grey finish, front panel with slim optical drive bay and USB ports

HP

HP Z4 G4 Xeon W-2135 3.7GHz 16GB 500GB NVMe Quadro P1000

SKU CH-22XN-DX71H

A professional tower workstation with a six-core 3.7 GHz Xeon processor, 16 GB DDR4 ECC memory, 500 GB NVMe storage and an NVIDIA Quadro P1000 4 GB GDDR5 graphics card for CAD.

  • TypeTower
  • Redundant Hot-swap PowerNo
  • CPU TypeIntel Xeon
  • MAX Processors1
  • Chipset465W
  • Installed Memory Size16GB

Installed Memory Size 16GB

SSD (Installed) 500GB

  • 250GB
  • 500GB
  • 1TB

Struck-through versions exist but are not stocked here.

HDD None

  • 6-core Xeon W-2135 at 3.7 GHz drives professional compute
  • 16 GB DDR4 ECC memory enables smooth multitasking
  • 500 GB NVMe storage gives fast project access
  • Quadro P1000 with 4 GB GDDR5 powers CAD and rendering
  • Windows 11 pre-installed for immediate out-of-box setup

HP Z4 G4 Workstation for Professional CAD

The HP Z4 G4 tower workstation pairs a 3.7GHz Intel Xeon W-2135 six-core processor with 16GB of DDR4 ECC memory and a 500GB NVMe SSD. An NVIDIA Quadro P1000 with 4GB GDDR5 drives up to four displays via Mini DP 1.4 ports. Windows 11 is preinstalled for immediate professional deployment.

Suited for CAD, rendering and content creation

This configuration fits engineers and designers who need certified Quadro drivers, ECC memory stability and a single-socket tower form factor. Buyers who require more than 16GB of installed RAM or multiple high-power GPUs should evaluate other platforms.

16GB DDR4 ECC memory fixed at eight slots

The system ships with 16GB across eight DIMM slots running four-channel 2666MHz DDR4 ECC. Maximum supported capacity is 512GB, but the installed 16GB cannot be expanded without replacing modules. Verify your memory footprint before purchase.

Highlights

  • 6-core Xeon W-2135 at 3.7 GHz drives professional compute
  • 16 GB DDR4 ECC memory enables smooth multitasking
  • 500 GB NVMe storage gives fast project access
  • Quadro P1000 with 4 GB GDDR5 powers CAD and rendering
  • Windows 11 pre-installed for immediate out-of-box setup

Specifications

BrandHP
SeriesZ Series
ModelZ4 G4
TypeTower
Redundant Hot-swap PowerNo
CPU TypeIntel Xeon
MAX Processors1
Chipset465W
Installed Memory Size16GB
Memory TypeDDR4
Max Memory Capacity16GB
Memory FeaturesFour channel memory up to 2666MHz DDR4 ECC memory, 2 DIMMs per Channel, 8 DIMM Slots.
Number of Memory Slots8
SSD (Installed)500GB
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

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the Z4 G4 recognise my existing DDR4-2666 ECC modules in the remaining four slots?

The workstation uses four-channel DDR4 ECC memory up to 2666 MHz; installed modules must match that speed and type to operate correctly.

How can I verify the Quadro P1000 is running at full performance after Windows 11 setup?

Open NVIDIA Control Panel, confirm the driver version, GPU clock and 4 GB GDDR5 memory are reported, then run a short viewport test in your CAD application.

Does the box include the Mini-DisplayPort 1.4 cables and the 465 W power cord, or must I buy them separately?

The system ships with the 465 W power cord; Mini-DisplayPort 1.4 cables for the four outputs are not included and must be purchased separately.

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