KIOXIA 256GB NVME 2230 OEM SSD KBG50ZNS256G – 256GB, M.2 2230-S2 single-sided form factor with PCIe 4.0 and NVMe 1.4 interface, Uses BiCS FLASH™ TLC memory, read speeds up to 3,400 MB/s and write speeds up to 1,900 MB/s, Offers random read/write performance of 350K/360K IOPS, Power consumption around 4.0W active, 3.0 mW in low power mode, Dimensions: 30 x 22 x 2.23 mm, weight 2.8g, Operating temperature 0-95°C (controller).