Seagate SATA 3.5 PCB — ST3160812AS / 9BD132-021 / 3.AHL / 100387565 U

Replacement printed circuit board for Seagate 3.5" SATA hard drives. Markings and identifiers: ST3160812AS, 9BD132-021, 3.AHL, 100387565 U. Check compatibility with your drive model and firmware before installation.