MK2555GSXN, B0/GC002M, HDD2H54 UL01 T, G002657A, Toshiba SATA 2.5 PCB PCB Specification:;Model: MK2555GSXN;HDD Code: HDD2H54 UL01 T;Firmware: B0/GC002M;PCB Revision: G002657A;;