WD SATA 3.5 PCB - WD5004AAKS-60WWPA0 (771640-S13 AA)

Printed circuit board for Western Digital 3.5" SATA hard drives. Matches model WD5004AAKS-60WWPA0 and board/part number 771640-S13 AA. This WD SATA 3.5 PCB is intended as a direct replacement or spare for drives requiring these exact identifiers.