Comparison · SSDs
WD_BLACK SN850X 4TB vs Samsung 990 EVO Plus 4TB
9 shared data points.
Capacity4 TB=4 TB
Form factorM.2 2280=M.2 2280
InterfacePCIe 4.0 x4 NVMe≠PCIe 4.0 x4 / 5.0 x2 NVMe 2.0
Sequential read7300 MB/s≠7250 MB/s
Sequential write6600 MB/s≠6300 MB/s
4K random read1200000 IOPS≠1050000 IOPS
NANDSanDisk TLC 3D NAND≠Samsung V-NAND TLC
Warranty5 anni≠5 anni o limite TBW
Weight7,5 g≠9 g max