SAMSUNG 840 Series 2.5 120GB SATA III Internal Solid State Drive (SSD) MZ-7TD120BW 4KB Random Read: Up to 85,000 IOPS Controller: Samsung MDX Controller Sustained Sequential Read: 530 MB/s Sustained Sequential Write: 130MBps 4KB Random Write: Up to 32,000 IOPS Used For: Consumer MTBF: 1,500,000 hours Height: 7.00mm