HP Omen X Hardware Reference Manual page 36

9. Connect the power supply SATA cables (1) and I/O board and cable (2).
Five SATA power cables (four hard drive + one U.2 drive) and one PATA power connector (from the I/O
board) are available to connect to the power supply.
The cables in the computer case are labeled to indicate components they connect to.
CAUTION:
10. Replace the power supply cover.
11. Replace the system board tray assembly.
30 Chapter 2 Hardware upgrades
To avoid damaging the cable, pull the tab or connector instead of the cable itself.