Power Supply Z440 700W 90%

HP 858854-001 is a desktop-computer power supply listed for the HP Z440. Its 700 W output rating provides power for the workstation’s internal components, and the listing identifies it as the high-end supply option for this model.

HP specifies the Z440’s 700 W supply at 90% efficiency, with active power factor correction and two graphics power cables. The listed connections include 12-pin and 18-pin plugs, plus 4-pin and 6-pin connections, two 6-pin PCI Express plugs, four SATA plugs and a 4-pin floppy connection. Together, these connections serve the workstation’s system board, graphics and storage components.