Seagate ST3320418AS SATA 3.5 PCB - 9SL14C-622 (HP34, 5699 V)

This sale is for the hard drive circuit board (PCB / logic board) only — the hard drive itself is NOT included. Because we stock many PCBs, the exact board you receive may differ slightly from the photo. Intended use: data recovery or hard drive repair.

Before ordering, confirm that a replacement PCB will resolve your issue by following our hard drive diagnostics guide and verify compatibility using the Donor Matching Guide. Most drive PCBs store unique configuration data in the ROM memory chip; that data is required for proper drive operation. The ROM chip or its contents must be transferred to the replacement board.

If moving the chip is feasible, a qualified local technician can usually perform the transplant. For purchases of $60 or more we offer a complimentary adaptation service that includes either moving the ROM chip onto the new PCB or reprogramming the replacement board with the correct ROM data. If you plan to handle the swap yourself, consult our PCB Replacement Guide.

Should a simple board swap not fix the problem, we also provide a specialized PCB Replacement Service — see the Adaptation Service page for full details.