SMUGDESK
SMUGDESK ATX 24-pin to 18-pin PSU adapter cable 30cm for HP Z420 Z620
Converts a standard 24-pin ATX power supply to the proprietary 18-pin connector on HP Z420 and Z620 workstation motherboards using heavy-duty 18AWG tinned-copper wire
- Converts standard 24-pin ATX PSU to HP proprietary 18-pin motherboard connector
- Heavy-duty 18 AWG tinned copper wire maintains stable power under full workstation load
- Secure latching connectors lock firmly to prevent loose contact and sudden power loss
- 30 cm length allows flexible internal routing without excess cable clutter
- Plug-and-play installation requires no soldering for PSU replacement or workstation repair
HP Z420 Z620 PSU adapter cable
This SMUGDESK adapter converts a standard 24-pin ATX power supply connector to the proprietary 18-pin motherboard socket found on HP Z420 and Z620 workstations. It allows owners to replace failed or unavailable OEM units with common off-the-shelf ATX power supplies. The 30 cm length provides enough slack for tidy routing inside the chassis without excess cable clutter. It is built for repair, upgrade and DIY modification scenarios where soldering is not desired.
Limits of the 24-pin to 18-pin conversion
The cable only re-maps the existing ATX pinout to HP's 18-pin layout; it does not add extra power phases or increase the wattage your power supply can deliver. You must ensure the replacement ATX unit supplies sufficient current on the rails required by the workstation's original specification. The adapter cannot compensate for an undersized PSU or missing auxiliary connectors that the motherboard may also need. Secure latching connectors reduce the risk of intermittent contact from vibration or cable movement.
Replaces proprietary HP power supplies
This adapter replaces the need to source expensive, hard-to-find original HP power supplies for Z420 and Z620 systems. The jump is worth it when a standard ATX unit is readily available and meets the workstation's power demands, letting you restore operation quickly without soldering or custom wiring. It is not for builders who need a second graphics card power connector or servers requiring redundant hot-swap power modules. The 30 cm cable suits typical workstation chassis layouts but may not reach in extended-depth enclosures.
Highlights
- Converts standard 24-pin ATX PSU to HP proprietary 18-pin motherboard connector
- Heavy-duty 18 AWG tinned copper wire maintains stable power under full workstation load
- Secure latching connectors lock firmly to prevent loose contact and sudden power loss
- 30 cm length allows flexible internal routing without excess cable clutter
- Plug-and-play installation requires no soldering for PSU replacement or workstation repair
Specifications
No published specifications for this item yet.
Questions about this item
Should I pick the 24-pin to 18-pin adapter or a different pin count for my HP Z420?
Choose this 24-pin to 18-pin cable because HP Z420 and Z620 motherboards use a proprietary 18-pin main power socket that requires this exact conversion from a standard ATX supply.
Will the 18AWG wire handle full-load workstation power without voltage drop?
Yes, the 18AWG tinned-copper conductors are sized to minimise voltage drop and heat under heavy CPU and memory workloads typical of Z420 and Z620 systems.
Does the 24-pin ATX side follow the standard ATX pinout so any PSU will work?
The female 24-pin connector matches the standard ATX pinout, letting you plug in any off-the-shelf ATX power supply without wiring changes.
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