SAMSUNG PM981 M.2 PCI-E NVMe SSD M.2 256GB Model PM981 Interface PCIe Gen3 x4 F/F M.2 Capacity 256 GB Seq. Read 3000 MB/s Seq. Write 1300 MB/s Ran. Read 130K IOPS Ran. Write 310K IOPS
SAMSUNG M.2 970 EVO Plus NVME PCIe Capacity: 250GB (1GB=1 Billion byte by IDEMA) Form Factor: M.2 (2280) Interface: PCIe Gen 3.0 x 4, NVMe 1.3 Sequential Read: Up to 3,500 MB/s Sequential Write: Up to 2,300 MB/s Storage Memory: Samsung V-NAND 3-bit MLC Cache Memory: Samsung 512MB Low Power DDR4 SDRAM