Seagate ST31000340NS SATA 3.5 PCB — 9CA158-504 / SN06 / 100468979 K

This sale is for the hard drive circuit board (PCB / logic board) only — no hard drive is included. Compatible with Seagate ST31000340NS (9CA158-504, SN06, 100468979 K) SATA 3.5 drives. Because we stock a large quantity of PCBs, the exact board you receive may vary slightly from the photo. Intended use: data recovery and hard drive repair. Before purchasing, verify that a PCB swap will address your problem by following our hard drive diagnostics guide and confirm compatibility using the Donor Matching Guide. Note: most hard drive PCBs contain unique drive parameters stored in a ROM ("memory") chip; that information is required for the drive to function properly. Either the ROM chip itself or its data must be moved to the replacement board. If transplanting the chip is possible, a local computer technician can typically perform the task. For customers spending $60 or more we provide a complimentary adaptation service that includes moving the ROM chip to the new PCB or reprogramming the replacement board with the correct ROM data. If you plan to do the swap yourself, review our PCB Replacement Guide. Should a simple board replacement not resolve the issue, we offer a comprehensive PCB Replacement Service — see the Adaptation Service page for full details.