Western Digital WD400LB PCB Board

WD400LB is a common model of Western Digital 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 restored, so we can recover data on it. But first you need to know that the same model of hard drive (such as WD400LB Western Digital hard drive, as shown below) may use one or more boards with different board numbers, we will list the possible boards of the Western Digital WD400LB hard drive bellow:

Western Digital WD400LB Hard Disk Drive

• WD400LB-55DNA0, DCM DSBACTJCH, Western Digital 40GB IDE 3.5 Hard Drive;
• WD400LB-00DNA0, DCM HSCACVJAA, Western Digital 40GB IDE 3.5 Hard Drive

HDD Serial Numbers: WMADY1048760

Western Digital WD400LB HDD PCB Boards:

• WD400LB WD PCB 2060-001159-006 REV A

Western Digital PCB Swapping: Western Digital PCB Replacement

In order to determine your hard disk board number, the best way is to use a screwdriver to open the hard disk, find the circuit board of the hard disk to determine the board number, the board number of the hard disk is printed on the circuit board, some are on the front side and some are on the back side.