320W Power Supply 503377-001 Replacement PSU Compatible with HP Pro MT 6000 6005 6200 6300 8000 8200 Z200 Micro Tower, Replaces 503378-001 702306-002 702454-001 508154-001 611483-001 613746-001 611484

This 320W replacement power supply unit is professionally designed for HP Pro Micro Tower desktops and Z200 workstations. It perfectly replaces the original OEM part 503377-001, as well as alternative part numbers including 503378-001, 702306-002, 702454-001, 508154-001, 611483-001, 613746-001 and 611484-001. The PSU fits HP MT models 6000, 6005, 6200, 6300, 8000, 8200 and Z200 precisely. It adopts the same chassis dimension, fixed hole position and internal wiring interface as the original power source, requiring no cable modification or extra adapters during installation. Equipped with efficient circuits and low-noise cooling fan, it provides sustained stable 320W power for office use and daily computing. Multiple built-in safety protections prevent surges and short-circuit damage to your motherboard and storage devices. Each power supply passes strict full-load aging tests before delivery, a cost-effective repair substitute for defective HP micro tower power units.