HP 575W hot-swap PSU pulled from a working server. Compatible with HP ProLiant DL380 G4, DL385, ML370 G4, DL580 G3 and similar chassis using the ESP135 power architecture.
Part numbers

HP: 321632-001 / 321632-501
HP: 338022-001
HP: 367238-001 / 367238-501
HP: 406393-001
Delta: DPS-600PB B
Series: ESP135

Specifications

Output: 575W maximum
Input: 100-240V AC, 50/60Hz, auto-ranging
Form factor: hot-swap, redundant capable
Cooling: internal fan
Connector: HP proprietary backplane (not a standard ATX PSU)

Condition
Used, pulled from working server environment. Tested powered-up, fan spins, no fault LEDs. Light cosmetic marks consistent with rack use. No power cord supplied.