512GB Samsung 840 Pro 2.5-inch SATA III (6.0Gb/s) Internal Solid State Drive(SSD), Model: MZ-7PD512, Thickness : 7.0 mm, P/N: MZ7PD512HCGM-1BW00, MZ7LN512HAJQ-00007, MZ7LN512HAJQ-000H7 - WIT Computers
Samsung SSD 840 Pro - Microcode failure - Cheadle DATA Recovery Ltd