Used good Samsung 980 PRO PCIe® NVMe® SSD 2TB ... Only M.2 - No box or accessories ... Some Specs - ... PCIe Gen 4.0 x4, NVMe® 1.3c ... Read/Write Speeds - 7,000/5,100 MB/s ... Sequential Read Speed Up to 7,000 MB/s * Performance may vary based on system hardware & configuration ... Sequential Write Speed Up to 5,100 MB/s * Performance may vary based on system hardware & configuration ... Compatibility- 980 PRO is backward compatible with PCIe® 3.0. Sequential performances (up to): 3500MB/s for reads, 3470MB/s (2TB) for writes. Random (up to): 680K IOPS (2TB) for reads, 630K IOPS (2TB) for writes. ...