Power adapter 24-to-18-pin HP Z420 / Z620

Is the voedingsadapterkabel on your HP Z420 / Z620 (HP Z420 Workstation, HP Z620 Workstation, ~2012-2017) not working properly anymore? With this 24-to-18-pin adapter you can wire a regular ATX PSU to the HP motherboard. Drops in 1-to-1 — no changes to cables or housing needed.

Specifications

• Type: 24-pin ATX to 18-pin HP
• Length: ~25cm
• Compatible: HP Z420, HP Z620 motherboards
• Shielded cable jacket
• Pinning identical to HP spec
• For upgrading to a standard ATX PSU

Symptoms of a faulty part

• Workstation won't boot with a standard ATX PSU
• Stock HP PSU is dead and out of stock
• You want to upgrade to a stronger ATX PSU
• Error 'CPU power not detected'

Installation

🟢 Difficulty: easy. Time: about 10 minutes. Tools: Phillips screwdriver. Open the side panel, unplug the old PSU and place the adapter between your ATX PSU and the motherboard.

Frequently asked questions

Which ATX PSU can I use now?
Any standard ATX PSU with a 24-pin motherboard connector. Match the wattage of the original HP unit.

Does this also fit a Z440 or Z640?
No. Those have a different pinout. This cable is specific to Z420 and Z620.

Will all CPUs still work?
Yes, the pinning supports the full power delivery of the original board.