Seagate ST31000528AS SATA 3.5 PCB — Part 9SL154-578, Firmware CC46, Sticker 4778 V

Replacement PCB for Seagate 3.5" SATA hard drive model ST31000528AS. Key identifiers and specs: • Part Number: 9SL154-578 • Firmware: CC46 • PCB Sticker: 4778 V • PCB Number: 100536501 REV A This board matches the original Seagate PCB used on the ST31000528AS drive; verify these markings to ensure compatibility.