Sandisk Z400s 128GB Solid State Drive (2.5&rdquo;, SATA 3.2 6GB/s, 128GB Capacity) 2.5-inch Form Factor SATA 3.2 6GB/s, 128GB Capacity Sequential Read/Write: Up to 546/342MB/s Random Read/Write: Up to 33/62K IOPS Up to 1.7 Million Hours of continual use Exceptional reliability and Faster Speeds Over Standard Hard Drives