Seagate ST1000DM003 PCB (1ER162-301) — SATA 3.5, Firmware CC45, Sticker 4049 H

Replacement printed circuit board for Seagate ST1000DM003 drives, designed for 3.5" SATA installations. Key identifiers: Model ST1000DM003; Part Number 1ER162-301; Firmware CC45. The PCB carries a sticker marked 4049 H and is labeled with PCB number 100724095 REV A. Please confirm these exact markings match your original board before installation.