




Any questions? Our AI beta will help you find out quickly.
This is a replacement SAS logic board (PCB) compatible with Seagate 3.5" desktop and enterprise SAS hard drives, with board numbers 100743770 REV B and 100764671 REV B (marked 4001 A / 4670 D). It is designed for SAS interface hard drives commonly used in servers, NAS, and enterprise storage systems.
A reliable solution for hard drive repair and data recovery, this PCB replaces faulty or non-functional original boards to restore HDD functionality and access critical data. Every board is fully tested to ensure quality and reliability after installation.
Note: For full compatibility, if your original drive has different firmware or date code, transfer the BIOS/ROM chip from your old PCB to this new board before use.