The 250GB SATA3 internal solid state drive is one of the top performing 250gb SSDs available for a desktop or laptop today. Part of the 850 evo-series and built for the 2.5 inch form factor, this solid state drive screams power & efficiency with support for up to 540 MB/s sequential read speed. The mz 75e250b am is built with 3D NAND technology, which makes these SSDs revolutionary and faster than ever before. The 850 series has re-shaped the high speed storage drive industry and advanced the segment to never before seen levels. This model replaces the ultra popular MZ-7TE250BW 840 Evo SSD.