Check the listing for details. 🟣Samsung HDD HARD DRIVE PCB BOARD *PCB ONLY* 100720903 04. Condition: Used. Listed at 11.65 USD. Up for sale is qty:1🟣Samsung HDD HARD DRIVE PCB BOARD *PCB ONLY* 100720903 0430 DAY WARRANTY Most HDD boards have the unique BIOS(ROM or NVRAM chip) which includes the unique data to access the HDD system area. If the BIOS information is not compatible with your HDD, there is no way to read the HDD's data. Because of this, you should use the original PCB's BIOS when you swap PCB. BIOS CHIP SWAPPING IS A MUST. Unit has been pulled out of the WORKING CONDITION machinePart has been pulled & tested by our tech "All parts are tested to make sure they are in working condition unless stated otherwise , all serial numbers are recorded and security seals affixed on them , in case of a return our team will check the serial number and condition to make sure they are the same as the time of shipping "" We ship internationally to almost all countries."