Specifications of Lite-On CA3 NVMe SSDs 256 GB Model CA3-8D256 Form Factor M.2-2280Controller Marvell 88SS1093NAND Toshiba's 3D TLC NAND, 64-layers, 256 GbInterface PCIe 3.0 x4Protocol NVMe 1.2Sequential Read 2100 MB/s 2900 MB/sSequential Write pSLC 600 MB/s 1200 MB/s Sequential Write TLC 200 MB/s 400 MB/s 4KB Random Read (QD32) 150K IOPS 260K IOPS 4KB Random Write (QD32) 150K IOPS 260K IOPS MTBF 1.5 million hoursLaunch Date Q4 2017