HP Z4 G4 Tower Xeon W-2223 /32GB /512GB SATA SSD (661Z5PA) (3 Years Manufacture Local Warranty In Singapore)- EOL

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HP Z4 G4 Tower Xeon W-2223 /32GB /512GB SATA SSD (661Z5PA) (3 Years Manufacture Local Warranty In Singapore)-EOL

HP Z4 G4 Workstation

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 Z4 G4 Workstation

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.

HP Z4 G4 Workstation

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 5 and HP Sure Start Gen3 featuring a self-healing BIOS.


Intel® Xeon® W processor Get optimized performance whether your professional application utilizes high core count or high frequency with the Intel® Xeon® W processor.
Professional Performance Run demanding professional apps with the newest generation Intel® Xeon® processors available with up to 18 cores for powerful performance and productivity.
Intel® Core™ X-Series processors 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®.
Graphics 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.
Storage 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.
Space Saver Save space within your office layout with a chassis that is 10% smaller than the previous generation.
Quick connections Multiple high-speed network connections are easy and speedy with dual embedded 1GbE LAN ports with Thunderbolt™ 3 technology for fast data transfers.
USB Type -C™ The optional dual front I/O USB 3.1 G2 Type C™ module lets you transfer data to devices using modern connection technology at higher data rates.
Self-encryption drives Optional self-encryption drives thwart outside access so your valuable IP won’t fall into the wrong hands.



Operating system

Windows 11 Pro

Processor family

Intel® Xeon® W processor


Intel® Xeon® W-2223 (3.6 GHz base frequency, up to 3.9 GHz with Intel® Turbo Boost Technology, 8.25 MB L3 cache, 4 cores)  (Configurations with the Intel® Core™ X processors support only a subset of the full features of the Z4 G4 system, including, but not limited to: memory type and maximum memory, PCIe slot configurations, M.2 storage capacity, GbE interface and manageability features. Please refer to the product QuickSpecs for complete details.)


Intel® C422; Intel® X299 


32 GB DDR4-2933 MHz ECC RAM (2 x 16 GB)

Memory Slots


Internal Storage

512 GB PCIe® NVMe™ SSD

Additional storage

HP SD 4 Media Card Reader (optional)

Minimum dimensions (W x D x H)

38.6 x 16.9 x 44.5 cm 


Starting at 10.2 kg (Exact weight depends on configuration.)


HP USB Slim Business Keyboard

Pointing device

HP USB optical mouse

Expansion slots

1 PCIe 3 x16; 2 M.2 PCIe 3 x4 


Front (Premium version) 1 headset connector; 4 USB 3.1 (1 charging)


Rear 1 audio-in; 1 audio-out; 1 PS/2 keyboard port; 1 PS/2 mouse port; 1 serial; 2 RJ-45 (1 GbE); 6 USB 3.1 Gen 1

Internal drive bays

Two 2.5" or 3.5"


1000 W internal power supply, up to 90% efficiency, active PFC; 465 W internal power supply, up to 90% efficiency, active PFC; 750 W internal power supply, up to 90% efficiency, active PFC

Security management

Full volume encryption; HP Keyed Cable Lock Kit; HP Secure Erase; HP Sure Start Gen3; Kensington lock slot; Secure authentication; TPM 2.0 certified; HP Device Access Manager; HP Sure Click; HP BIOSphere Gen3; HP Client Security Manager Gen3; HP MIK/SCCM Gen2; Self Encrypting Drive (SED); HP Wolf Security Pro Edition 

Sustainable impact specifications

Low halogen

Manufacturer Warranty

3 year (3/3/3) limited warranty includes 3 years of parts, labor and on-site repair. Terms and conditions vary by country. Certain restrictions and exclusions apply.


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