MK5055GSX, B0/FG001J, HDD2H21 E UL01 T, G002439-0A, Toshiba SATA 2.5 PCB PCB Specification:;Model: MK5055GSX;HDD Code: HDD2H21 E UL01 T;Firmware: B0/FG001J;PCB Revision: G002439-0A; ;