HP Z4 Workstation

Front view :

1. Front I/O module options 2. Front handle
3. 2 x 5.25” external drive bay
4. • Intel Core TM i7-X-series processors
• Intel Core TM i9-X Series processors
• Intel Core TM i9 Extreme Edition processor
5. • Core i9-X configs/Core i7 9800X: 2 PCIe G3 x16, 2 PCIe G3x4, 1 PCIe G3 x8
• Other Core i7-X configs: 1 PCIe G3 x 16, 1 PCIe G3 x 16 (x 8 electrical), 2 PCIe G3 x 4, 1 PCIe G3 x 8 (mechanical only)

Internal View – Intel Xeon W Processors

6. 1 PCIe G3 x4 M.2 for SSDs 7. 8 DIMM slots: DDR4-2666 Non-ECC Unbuffered RAM
8. PSU: 1000W 90% efficient with up to 4 graphics power Adapters 9. 2 x 5.25” external drive bays
10. 2 x 2.5”/3.5” internal drive bays 11. Front card guide and fan (select configurations)
12. 6 x 6Gb/s SATA ports

Internal View – Intel Core X-series Processors:

4. • Intel Core TM i7-X-series processors
• Intel Core TM i9-X Series processors
• Intel Core TM i9 Extreme Edition processor
5. • Core i9-X configs/Core i7 9800X: 2 PCIe G3 x 16, 2 PCIe G3 x 4, 1 PCIe G3 x 8
• Other Core i7-X configs: 1 PCIe G3 x 16, 1 PCIe G3 x 16 (x 8 electrical), 2 PCIe G3 x4, 1 PCIe G3 x 8 (mechanical only)
6. 1 PCIe G3 x 4 M.2 for SSDs 7. 8 DIMM slots: DDR4-2666 Non-ECC Unbuffered RAM
8. PSU: 1000W 90% efficient with up to 4 graphics power Adapters 9. 2 x 5.25” external drive bays
10. 2 x 2.5”/3.5” internal drive bays 11. Front card guide and fan (select configurations)
12. 6 x 6Gb/s SATA ports
13. Rear power button 14. Rear handle
.15 Padlock loop .16 Kensington lock slot
17. • Rear I/O (top to bottom)
• Audio in/out
• Keyboard/Mouse PS/2
• USB: 5 USB 3.1 G1 Type-A
• 1 x 1GbE ports		 18. Side panel barrel keylock (optional)

Rear View – Intel Xeon W Processors

Rear View – Intel Core X-series Processors

13. Rear power button 14. Rear handle
.15 Padlock loop .16 Kensington lock slot
17. • Rear I/O (top to bottom)
• USB: 6 USB 3.1 G1 Type-A
• Audio in/out
• Keyboard/Mouse PS/2
• 2 x 1GbE ports		 18. Side panel barrel keylock (optional)
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 Gen32 and HP Sure Start Gen310 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.

Available Operating Systems : Windows 11 Pro for Workstations, Ubuntu 22.04 LTS, Linux Ready, Red Hat Enterprise Linux
Processor family : Intel Xeon processor
Available Processors : • Intel Xeon W7-2495X (2.5 GHz base frequency, up to 4.6 GHz with Intel Turbo Boost Technology, 45 MB L3 cache, 24 cores, 48 threads) • Intel Xeon W7-2475X (2.6 GHz base frequency, up to 4.6 GHz with Intel Turbo Boost Technology, 37.5 MB L3 cache, 20 cores, 40 threads) • Intel Xeon W5-2465X (3.1 GHz base frequency, up to 4.5 GHz with Intel Turbo Boost Technology, 33.75 MB L3 cache, 16 cores, 32 threads) • Intel Xeon W5-2455X (3.2 GHz base frequency, up to 4.4 GHz with Intel Turbo Boost Technology, 30 MB L3 cache, 12 cores, 24 threads) • Intel Xeon W5-2445 (3.1GHz base frequency, up to 4.4 GHz with Intel Turbo Boost Technology, 26.25 MB L3 cache, 10 cores, 20 threads) • Intel Xeon W3-2435 (3.1 GHz base frequency, up to 4.3 GHz with Intel Turbo Boost Technology, 22.5 MB L3 cache, 8 cores, 16 threads) • Intel Xeon W3-2425 (3.0 GHz base frequency, up to 4.2 GHz with Intel Turbo Boost Technology,15 MB L3 cache, 6 cores, 12 threads) • Intel Xeon W3-2423 (2.1 GHz base frequency, up to 4.0 GHz with Intel Turbo Boost Technology, 15 MB L3 cache, 6 cores, 12 threads)
Chipset : Intel W790
Form Factor : Tower
Maximum memory : 512 GB DDR5-4800 ECC SDRAM, Transfer rates up to 4800 MT/s.
Memory slots : 8 DIMM
Internal storage : 1 TB up to 12 TB 7200 rpm SATA Enterprise HDD, 512 GB up to 2 TB HP Z Turbo Drive NVMe M.2 SSD, 512 GB up to 4 TB HP Z Turbo Drive PCIe SSD M.2, 512 GB up to 4 TB HP Z Turbo Drive PCIe SED Opal 2 M.2 SSD, 512 GB up to 4 TB HP Z Turbo Drive Dual Pro PCIe SSD, 512 GB up to 4 TB HP Z Turbo Drive Quad Pro PCIe SSD
Optical drive : HP Slim DVD-ROM; HP Slim Blu-ray Writer; HP Slim DVD-Writer
Audio : Realtek ALC3205-CG
Expansion slots : 1 PCIe 5 x 16; 2 PCIe 4 x 16; 2 PCIe 4 x 4 (Rear bulkhead access can be achieved through all slots but 2 PCIe 4 x 8 are internal access only for M.2.)
Memory card device : 1 SD card reader (optional)
Ports and connectors : • Front (Premium version): 2 SuperSpeed USB Type-C 20Gbps signaling rate (USB Power Delivery); 2 SuperSpeed USB Type-A 5Gbps signaling rate; 1headset/microphone combo • Front (Entry version): 4 USB Type-A 5Gbps signaling rate; 1 headphone/microphone combo • Rear: 1 RJ-45; 1 audio-in/out Optional Ports: 2 Thunderbolt 4 with USB Type-C 40Gbps signaling rate (USB Power Delivery, DisplayPort 1.4);
Keyboard : HP 125 Wired Keyboard; HP USB 320K Keyboard; HP USB Business Slim Wired SmartCard CCID Keyboard; HP 125 Black Wired Keyboard
Mouse : HP Wired Desktop 320M mouse; HP wired desktop 128 laser mouse
Drive Bays : External: Two NVMe M.2 SSD; Two 3.5" HDD; Two 9.5 mm ODD;Internal: One 3.5"; Four PCIe M.2 SSD; Three 3.5" HDD
Management features : HP Driver Packs; HP System Software Manager (download); HP BIOS Configuration Utility (download); HP Smart Support
Power : 1125 W internal power supply, up to 90% efficiency, active PFC; 775 W internal power supply, up to 90% efficiency, active PFC; 525 W internal power supply, upto 90% efficiency, active PFC525 W internal power supply, up to 90% efficiency, active PFC; 1125 W internal power supply, up to 90% efficiency, active PFC;775 W internal power supply, up to 90% efficiency, active PFC
Dimensions : 6.65 x 17.50 x 15.20 in16.89 x 44.45 x 38.61 cm, 12.36 x 22.52 x 22.17 in 31.4 x 57.2 x 56.3 cm (Package);
Weight : Starting at 23.2 lbStarting at 10.5 kg(Exact weights depend upon configuration (System weight only));
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