Seagate ST3160318AS SATA 3.5 PCB - 9SL13A-021 (HP34, 5699 P)

Replacement printed circuit board for Seagate 3.5" SATA hard drives. Fits model ST3160318AS. PCB part number: 9SL13A-021. Firmware/label: HP34. Marking: 5699 P. Use this Seagate SATA 3.5 PCB as a direct board swap when the original PCB on an ST3160318AS drive is damaged—confirm the board part number and markings match your drive before installation.