ATX 24Pin to 18Pin + 8Pin to 12Pin Adapter Power Supply Cable for HP Z440 Z640

Connector: 24Pin to 18Pin + 8pin to 12pin. Compatible with: HP Z440 Z640. 1 x 24Pin to 18Pin Cable. 1 x 8Pin to 12Pin Cable. Type: Power cable. Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item.

eBay