How a 2TB NVMe SSD For $219 Performs Back in 2017 Toshiba (now KIOXIA) introduced the XG5-P series of single-sided M.2 2280 form factor NVMe PCIe 3.0 x4 SSDs in 1TB and 2TB capacities. The drives featured performance of up to 3000 MB/s sequential read, 2200 MB/s sequential write, 320,000 random read IOPS and 265,000 random write ...