System Type | Workstation |
Model | HP Workstation Z4 G4 Tower |
Cabinet Form Factor | Tower |
Processor / Type | Xeon |
Processor / Manufacturer | Intel |
Processor / Clock Speed | 2.1 GHz |
Max Turbo Frequency | 4.2 GHz |
Processor / Number | W3-2423 |
Multi-Core Technology | 6-Core |
Processor / Installed Qty | 1 |
Cache Memory Type | Smart Cache |
Cache Memory Installed Size | 15 MB |
Processor / Socket Type | FCLGA4677 |
Mainboard / Chipset Type | Intel W790 |
RAM / Technology | DDR4 |
RAM / Total Installed Size | 16 GB |
RAM / Installed Qty | 1 |
RAM Form Factor | DIMM |
RAM / Memory Speed | 2933 MHz |
RAM / Total Slots Qty | 8 |
RAM / Max Supported Size | 512 GB |
2nd Hard Drive Capacity | None GB |
Hard Drive Capacity / HDD | None GB |
Hard Drive / Installed Qty | None |
Hard Drive / Interface Type | PCIe NVMe |
Hard Drive / Spindle Speed | None RPM |
SSD Capacity | 512 GB |
SSD / Installed Qty | 1 |
RAID Level | RAID 0, 1 |
Network Controller | LAN,WLAN |
Data Link Protocol | IEEE 802.11 a/b/g/n/ac, Bluetooth 4.2 |
Graphics Controller | NVIDIA T400 |
Video Memory / Technology | GDDR6 |
Video Memory / Installed Size | 2 GB |
Audio Output | Integrated Realtek HD ALC221 |
Input Device Support Type | Keyboard |
Keyboard | HP USB 320K Keyboard |
Mouse | HP Wired 320M Mouse (HP Wired 320M Mouse) |
Operating System | Microsoft Windows 11 Professional 64-bit for Workstations |
Interfaces & Connections | 2 SuperSpeed USB Type-C 20Gbps signaling rate (USB Power Delivery); 2 SuperSpeed USB Type-A 5Gbps signaling rate; 1 headset/microphone combo |
Front I/O Ports | 2 SuperSpeed USB Type-C 20Gbps signaling rate (USB Power Delivery); 2 SuperSpeed USB Type-A 5Gbps signaling rate; 1 headset/microphone combo |
Rear I/O Ports | 6 SuperSpeed USB Type-A 5Gbps signaling rate; 1 RJ-45; 1 audio-in/out |
Service & Support Type | 1-1-1 years Warranty |
Security Devices | 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 |
Expansion Bays | Internal drive bays Two 2.5" or 3.5" External drive bays Two 5.25" |
Expansion Slots Total (Free) | 1 PCIe 5 x16; 2 PCIe 4 x16; 2 PCIe 4 x4 |
Power / Device Type | Power Supply |
Efficiency | 0.9 |
Width | 15.2 Inch |
Depth | 6.65 Inch |
Height | 17.5 Inch |
Weight | 10.2 Kg |
Enclosure Color | Black |
Features | Feature-rich functionality; Feature-rich functionality; HP's most secure workstations |
EPEAT Level | Yes |
Energy Star Compliant | Yes |
Processor / Type | Xeon |
Processor / Manufacturer | Intel |
Processor / Clock Speed | 2.1 GHz |
Processor / Number | W3-2423 |
Processor / Installed Qty | 1 |
Cache Memory Type | Smart Cache |
Cache Memory Installed Size | 15 MB |
Multi-Core Technology | 6-Core |
Processor / Socket Type | FCLGA4677 |
RAM / Technology | DDR4 |
RAM / Total Installed Size | 16 GB |
RAM / Installed Qty | 1 |
RAM / Total Slots Qty | 8 |
RAM / Max Supported Size | 512 GB |
Hard Drive Capacity / HDD | None GB |
Hard Drive / Installed Qty | None |
Hard Drive / Interface Type | PCIe NVMe |
Hard Drive / Spindle Speed | None RPM |
SSD Capacity | 512 GB |
2nd Hard Drive Capacity | None GB |
SSD / Installed Qty | 1 |
RAID Level | RAID 0, 1 |
Service & Support Type | 1-1-1 years Warranty |
Network Controller | LAN,WLAN |
Data Link Protocol | IEEE 802.11 a/b/g/n/ac, Bluetooth 4.2 |
Interfaces & Connections | 2 SuperSpeed USB Type-C 20Gbps signaling rate (USB Power Delivery); 2 SuperSpeed USB Type-A 5Gbps signaling rate; 1 headset/microphone combo |
Front I/O Ports | 2 SuperSpeed USB Type-C 20Gbps signaling rate (USB Power Delivery); 2 SuperSpeed USB Type-A 5Gbps signaling rate; 1 headset/microphone combo |
Rear I/O Ports | 6 SuperSpeed USB Type-A 5Gbps signaling rate; 1 RJ-45; 1 audio-in/out |
Expansion Bays | Internal drive bays Two 2.5" or 3.5" External drive bays Two 5.25" |
Expansion Slots Total (Free) | 1 PCIe 5 x16; 2 PCIe 4 x16; 2 PCIe 4 x4 |
Power / Device Type | Power Supply |
Width | 15.2 Inch |
Depth | 6.65 Inch |
Height | 17.5 Inch |
Enclosure Color | Black |
Weight | 10.2 Kg |
Security Devices | 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 |
Features | Feature-rich functionality; Feature-rich functionality; HP's most secure workstations |
COO | MEXICO |
TAA compliance | Yes |
HP Z4 G5 Tower Xeon W3-2423 16GB 512GB SSD NVIDIA T400



Key Benefits

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- Ideal for professionals in CAD, engineering, or content creation relying on multi-threaded CPU and ECC memory support
- Long-term value and performance scalability with up to 512GB RAM support and multiple expansion bays/slots
- Robust data protection and device control with built-in HP security features including TPM 2.0 and Wolf Security Pro
Product Overview
The HP Z4 G5 Tower is a professionally engineered workstation optimized for demanding computing environments. It combines a 6-core Intel Xeon W3-2423 processor (2.1GHz base, up to 4.2GHz boost) and 16GB of DDR4 ECC memory, ideal for data-intensive tasks. The 512GB PCIe NVMe SSD enables ultra-fast data access, and with Windows 11 Pro for Workstations, users benefit from robust security and management features.
The NVIDIA T400 GPU with 2GB GDDR6 memory supports pro visualization needs. With up to 512GB RAM expandability, multiple PCIe Gen 4/5 slots, and integrated LAN/WLAN & Bluetooth 4.2, the platform ensures scalability and connectivity. Enterprise-grade protection is delivered by TPM 2.0, HP Wolf Security Pro Edition, and full volume encryption, making it a secure choice for professional environments. Supported by a 3/3/3 warranty, it’s ideal for architecture, engineering, and design professionals.
Specifications