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General Information

Manufacturer HP Inc.
Manufacturer Part Number 643X2UTRABA
Manufacturer Website Address http://www.hp.com
Brand Name HP
Product Series Z4 G4
Product Name Workstation Z4 G4 Tower
Marketing Information

Overview | HP's best-selling performance workstation

Perfect for engineering, visualization and Machine Learning, HP's most popular workstation delivers disruptive performance for a wide spectrum of applications. With a choice of Intel® Xeon® or Core™ X processors, and support for dual extreme graphics, you get all you need, nothing more.

Feature-rich functionality

The Z4 is ahead of its time with more standard features than any other single processor HP workstation. With multiple configuration options, you can choose the perfect blend of components that meet your performance requirements.

HP's most secure workstations

Advanced security features come standard on every Z4. Rest assured your device, identity and data are safe with security software like HP Client Security Suite Gen3 and HP Sure Start Gen3 featuring a self-healing BIOS.

Visualization powerhouse

Visualize your project anytime with the power to move seamlessly between 3D CAD, rendering and simulation applications. The Z4 can easily handle tasks that require high frequency processing, multiple cores and high-powered GPUs for an optimized design process.

Features | Windows 11

Work anywhere without compromising on performance or security with Windows 11 powered by HP's collaboration and connectivity technology.

Intel® Xeon® W processor

Get optimized performance whether your professional application utilizes high core count or high frequency with the Intel® Xeon® W processor.

Security is your top priority

The HP Wolf Pro Security Edition provides preconfigured enterprise-level PC protection for small and medium sized businesses.


Experience disruptive price-performance on multi-threaded applications, or combined workflows such as simulation based design, with Intel® Core™ X Series processors: the high-performance single-socket processors from Intel®.


Get serious about graphics and reach peak productivity with access to a breadth of NVIDIA® and AMD professional graphics from entry to high-end 3D.


Install pro-grade storage hardware and elevate your storage-bound apps without sacrificing standard PCIe slots.

Functional Design

The simply stunning design features front and rear handles, so you can easily relocate your system.

Product Condition Refurbished
Product Type Workstation


Number of Processors Supported 1
Number of Processors Installed 1
Processor Manufacturer Intel
Processor Type Xeon
Processor Model W-2223
Processor Core Quad-core (4 Core)
Processor Speed 3.60 GHz
Processor Socket Socket R4 LGA-2066
vPro Technology Yes


Chipset Manufacturer Intel
Chipset Model C422


Standard Memory 16 GB
Maximum Memory Supported 512 GB
Memory Technology DDR4 SDRAM
Number of Total Memory Slots 8
Intel Optane Memory Ready Yes
Memory Clock Speed 2.93 GHz
Memory Configuration 2 x 8GB
Error Checking ECC
Signal Processing Registered


Total Solid State Drive Capacity 512 GB
Solid State Drive Interface PCI Express NVMe 3.0 x4


Controller Type Serial ATA/600
RAID Supported Yes
RAID Levels 0, 1, 5, 10

Network & Communication

Ethernet Technology Gigabit Ethernet


Total Number of USB Ports 10
Number of USB 3.1 Ports 4
Number of USB 3.1 Gen 1 Ports 6

Operating System

Operating System Platform Windows
Operating System Windows 11 Pro
Downgradable Operating System Windows 10 Pro

Power Description

Input Voltage 120 V AC
Input Voltage 230 V AC
Maximum Power Supply Wattage 750 W

Physical Characteristics

Product Color Black
Form Factor Mini-tower
Height 17.5"
Width 15.2"
Depth 6.7"
Weight (Approximate) 22.49 lb


Package Contents
  • Workstation Z4 G4 Tower
  • Keyboard
  • Mouse
Environmentally Friendly Yes
Environmental Certification Electronic Product Environmental Assessment Tool Silver (EPEAT Silver)
Environmental Compliance Restriction of Hazardous Substances (RoHS)
Environmental Compliance Waste Electrical and Electronic Equipment Directive (WEEE)