ST9120821A | HDDZONE's BLOG

Fix Seagate ST9120821A PCB Board 100346102

April 5, 2019 by HDDZone.com

If a Seagate HDD (Model # ST9120821A) with the PCB board (PCB # 100346102) inside has the following failure symptoms, you need to replace and repair the PCB board in order to recover data on it, this article will show you how to buy a matching replacement PCB for Seagate hard disk drive ST9120821A and … Read more

Seagate ST9120821A PCB Board

July 12, 2021February 26, 2019 by HDDZone.com

ST9120821A is a common model of Seagate hard drives. Many customers write to HDDZONE to find a suitable replacement circuit board for this type of hard drive. We know that replacing the circuit board is a very simple way to repair the hard drive’s board fault. By replacing the board, the hard disk can be … Read more