Samsung 870 EVO Series MZ-77E4T0B 4TB

The primary distinction between the Samsung 870 EVO 4TB and the 2TB model lies in their storage capacity, offering double the space for users requiring extensive data retention. This capacity difference directly impacts the endurance rating, as the 4TB version provides 2400 TBW compared to the 1200 TBW of the 2TB variant, making it more suitable for heavy workloads over the long term. Performance metrics, such as sequential read/write speeds and random IOPS, are identical across both drives because they share the same controller and flash memory technology. Furthermore, both models maintain the same physical 2.5-inch form factor, SATA III interface, and benefit from a 5-year manufacturer warranty. Ultimately, the choice hinges on whether the user prioritizes maximum storage and longevity, or if the standard 2TB size suffices for their needs.