Transcend SSD 250GB, SSD225Q series | TS250GSSD225S Capacity/Interface] : 250GB / Built-in 2.5" 3D NAND Transfer Speed] : Read (Max) 500 MB/s : Write (max) 330 MB/s 4K Random Lead/Light(IOmeter)]: 40,000/75,000 IOPS [TBW]: 90TBW [MTBF]: 2 million hours