Capacity 256GBModel GX2 SSDT253X2256G0C101 Interface SATA III 60 Gbits (backwards compatible with 30 Gbits & 15 Gbits) Controller NASequential Read & Write Read 500 M Bs Max Write 400 M Bs Max 4KB Random Read & Write Read 80K IOPS Max Write 35K IOPS Max Physical Drive Size 25" Dimensions (W x H x D)100 x 7 x 699 mm Packaging Retail