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HP Z4 G4 tower workstation in dark grey finish

HP

HP Z4 G4 Workstation Xeon W-2135 3.7GHz 32GB 1TB NVMe Quadro P1000

SKU CH-2WPN-1R0GJ

Tower workstation with a 3.7 GHz six-core Xeon, 32 GB DDR4 ECC memory, 1 TB NVMe storage and a Quadro P1000 4 GB GDDR5 GPU for CAD and rendering

  • TypeTower
  • Redundant Hot-swap PowerNo
  • CPU TypeIntel Xeon
  • MAX Processors1
  • Chipset465W
  • Installed Memory Size32GB

Installed Memory Size 32GB

SSD (Installed) 1TB

Struck-through versions exist but are not stocked here.

HDD None

  • 6-core Xeon W-2135 at 3.7GHz powers demanding professional workloads
  • 32GB DDR4 ECC memory enables smooth multitasking with large project files
  • 1TB NVMe SSD provides quick application and data access
  • NVIDIA Quadro P1000 with 4GB GDDR5 supports CAD and multi-display setups
  • Windows 11 preinstalled for immediate out-of-box productivity

HP Z4 G4 Tower Workstation

The HP Z4 G4 is a single-socket tower workstation built around an Intel Xeon W-2135 six-core processor running at 3.7 GHz. It ships with 32 GB of DDR4 ECC memory and a 1 TB NVMe solid-state drive. An NVIDIA Quadro P1000 graphics card with 4 GB of GDDR5 memory drives professional visual applications. Windows 11 comes pre-installed for immediate deployment.

DDR4 ECC Memory and Storage Limits

The platform provides eight DIMM slots arranged in four channels and supports DDR4 ECC modules up to 2666 MHz. The supplier specification lists a maximum memory capacity of 512 GB, while the installed configuration reaches 32 GB. Storage expansion uses a 6 Gb/s SATA interface with RAID 0, 1, 5 and 10 support, plus optional eSATA connectivity. The single installed NVMe drive occupies the primary M.2 slot.

Expansion Bays and Connectivity

The chassis includes two internal 3.5-inch bays with acoustic dampening rails, two external 5.25-inch bays and a dedicated 9.5 mm slim optical bay holding a DVD+/-RW drive. Graphics output is delivered through four Mini DisplayPort 1.4 connectors on the Quadro P1000. Dual LAN ports provide wired network redundancy. Front and rear USB ports cover 2.0, 3.0 and 3.1 Gen 2 standards, while Thunderbolt 3 support remains optional.

Highlights

  • 6-core Xeon W-2135 at 3.7GHz powers demanding professional workloads
  • 32GB DDR4 ECC memory enables smooth multitasking with large project files
  • 1TB NVMe SSD provides quick application and data access
  • NVIDIA Quadro P1000 with 4GB GDDR5 supports CAD and multi-display setups
  • Windows 11 preinstalled for immediate out-of-box productivity

Specifications

BrandHP
SeriesZ Series
ModelZ4 G4
TypeTower
Redundant Hot-swap PowerNo
CPU TypeIntel Xeon
MAX Processors1
Chipset465W
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)1TB
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

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

Questions about this item

Which memory capacity should I choose — 32 GB or the 512 GB maximum?

The workstation ships with 32 GB DDR4 ECC installed across eight DIMM slots running four-channel at 2666 MHz; you can expand up to 512 GB total if your workloads need more headroom.

What does the Xeon W-2135 3.7 GHz six-core processor deliver in daily use?

Six physical cores and twelve threads at 3.7 GHz give strong single-thread speed for CAD and simulation while the hyper-threaded cores keep rendering and multi-tasking responsive.

How does the Quadro P1000 connect to displays and what resolution does it support?

The card provides four Mini DisplayPort 1.4 outputs driving up to four 4K monitors simultaneously for professional visual workflows.

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