Samsung 840 EVO -Series MZ-7TE250BW 250GB 2.5" SATA III Internal SSD Single Unit Version.
Sequential Read Speed: 540MB/s, Sequential
Write Speed: 520MB/s, 98K Random
Read Speed: 86, 000 IOPS, 66K Random
Write Speed: 32, 000 IOPS, Trim Support, Y Raid Support, Samsung MEX Controller, 1y nm Triple Level Ccell (TLC) Toggle NAND 2.0