MK2555GSXN, A0/GC001A, HDD2H54 A SL01 T, G002657A, Toshiba SATA 2.5 PCB PCB Specification:;Model: MK2555GSXN;HDD Code: HDD2H54 A SL01 T;Firmware: A0/GC001A;PCB Revision: G002657A;;