Verified plate. Tested and working. Normal wear. Great condition. Please see photos for a more detailed description. Type: Barracuda 7200.10 Model: ST3250410AS P/N: 9EU142-305 Firmware: 3.AAC PCB Number: 100468303 Rev A To be successful in recovering your HDD, you should keep in mind that the parameters of your old PCB BOARD and your HDD must be "exactly" the same as the new ones you are purchasing. If your PCB Board and your HDD have different Firmware and different p / n then you must swap the bios chip. Like to know if the fault is the plate: The hard disk or plate smells burnt, You can see components burnt on the plate, The hard drive does not turn on. This PCB BOARD will only workS if the damage is on your PCB BOARD, it will not repair internal damages or bad sectors.