HP Z4 G4 Workstation: CPU Support List
The HP Z4 G4 is a single-socket workstation which supports one Intel Xeon W or Intel Core X-Series CPU (with up to 18 cores). This knowledge base article provides a comprehensive list of compatible CPUs and step-by-step instructions for replacing the processor.
Supported Processor Families
The HP Z4 G4 Workstation supports the following processor families:
- Intel Xeon W-2100 Series Processors
- Intel Xeon W-2200 Series Processors
- Intel Core X-Series Processors
HP Z4 G4 Supported CPUs
| Processor Name | Cores | Base Clock | Boost Clock | Cache (MB) | Memory Speed (MT/s) | TDP (W) |
|---|---|---|---|---|---|---|
| Intel Xeon W-2104 | 4 | 3.20 GHz | No Boost | 8.25 | 2400 | 120 |
| Intel Xeon W-2123 | 4 | 3.60 GHz | 3.90 GHz | 8.25 | 2666 | 120 |
| Intel Xeon W-2125 | 4 | 4.00 GHz | 4.50 GHz | 8.25 | 2666 | 120 |
| Intel Xeon W-2223 | 4 | 3.60 GHz | 3.90 GHz | 8.25 | 2666 | 120 |
| Intel Xeon W-2225 | 4 | 4.10 GHz | 4.60 GHz | 8.25 | 2933 | 105 |
| Intel Xeon W-2235 | 6 | 3.80 GHz | 4.60 GHz | 8.25 | 2933 | 130 |
| Intel Xeon W-2135 | 6 | 3.70 GHz | 4.50 GHz | 8.25 | 2666 | 140 |
| Intel Xeon W-2245 | 8 | 3.90 GHz | 4.70 GHz | 16.5 | 2933 | 155 |
| Intel Xeon W-2255 | 10 | 3.70 GHz | 4.70 GHz | 19.25 | 2933 | 165 |
| Intel Xeon W-2155 | 10 | 3.30 GHz | 4.50 GHz | 13.75 | 2666 | 140 |
| Intel Xeon W-2265 | 12 | 3.50 GHz | 4.80 GHz | 19.25 | 2933 | 165 |
| Intel Xeon W-2275 | 14 | 3.30 GHz | 4.80 GHz | 19.25 | 2933 | 165 |
| Intel Xeon W-2295 | 18 | 3.00 GHz | 4.80 GHz | 24.75 | 2933 | 165 |
| Intel Core i9-10900X | 10 | 3.70 GHz | 4.70 GHz | 19.25 | 2933 | 165 |
| Intel Core i9-10920X | 12 | 3.50 GHz | 4.60 GHz | 19.25 | 2933 | 165 |
| Intel Core i9-10940X | 14 | 3.30 GHz | 4.60 GHz | 19.25 | 2933 | 165 |
| Intel Core i9-10980XE | 18 | 3.00 GHz | 4.80 GHz | 24.75 | 2933 | 165 |
The links in the table above direct you to the Bargain Hardware listing where you can purchase the CPU, subject to stock availability.
How to Replace or Upgrade Your CPU
Follow these step-by-step instructions to replace or upgrade the CPU in your HP Z4 G4 workstation. For safety purposes, Bargain Hardware advises that you consult the HP Z4 G4 Workstation User Guide (found on the Z4 G4 Model Homepage) before replacing any components in your machine.
- Turn off the system: Power down your workstation completely and unplug it from the power source.
- Discharge static electricity: Use an anti-static wrist strap or touch a grounded metal object to discharge any static electricity from your body.
- Open the case: Remove the workstation’s side panel to access the internal components.
- Locate the CPU: Find the CPU socket on the motherboard. It is typically covered by a heatsink and fan.
- Remove the heatsink: Unscrew and detach the heatsink from the CPU. Be careful not to damage any nearby components.
- Release the old CPU: Unlock the CPU socket lever to release the old CPU. Carefully remove it without bending any pins.
- Install the new CPU: Align the new CPU with the socket’s pin configuration (usually marked with an arrow or notch) and gently place it into the socket.
- Lock the CPU: Lower the socket lever to securely lock the CPU into place.
- Apply thermal paste: Apply a small amount of thermal paste to the top of the CPU for proper heat transfer to the heatsink.
- Reattach the heatsink: Reinstall the heatsink and fan, ensuring it is securely attached to the CPU and motherboard.
- Reconnect power: Plug the fan’s power cable back into the appropriate motherboard header.
- Close the case: Replace the workstation’s side panel and ensure all screws are tightened properly.
- Power on and test: Reconnect the power supply, turn on the workstation, and verify that the system boots up and recognises the new CPU.
Upgrade Tips
- BIOS Updates: Ensure your BIOS is updated to the latest version to guarantee compatibility with the listed processors.
- Cooling Considerations: Use a cooling solution rated for your processor's TDP to avoid overheating.
- Memory Compatibility: Pair Xeon processors with ECC memory for enhanced stability.
Configure the HP Z4 G4 Workstation
The HP Z4 G4 workstation is fully customisable through Bargain Hardware's online configurator, offering excellent value with professionally refurbished and quality-tested components. Each Built to Order system includes a comprehensive 3-year return-to-base warranty, with quick build times and efficient delivery available throughout the UK, EU and worldwide.
Configure HP Z4 G4 Workstation