Samsung 870 EVO SATA Internal SSD (2.5 inch)

The Samsung 870 EVO is a 2.5-inch SATA III internal solid-state drive built for desktops, laptops, and NAS boxes that still rely on a 6 Gb/s SATA port. Samsung pairs its MKX controller with V-NAND 3-bit MLC NAND and publishes sequential reads up to 560 MB/s on every capacity in this line, with sequential writes up to 530 MB/s on 1TB through 8TB models and up to 300 MB/s on the 250GB and 500GB SKUs.

Endurance scales with capacity under Samsung's five-year limited warranty. The official datasheet lists 150 TBW at 250GB, 300 TBW at 500GB, 600 TBW at 1TB, 1,200 TBW at 2TB, 2,400 TBW at 4TB, and 4,800 TBW at 8TB, with coverage ending when either the time limit or the TBW figure is reached first. DRAM cache steps from 512MB on the smallest drive to 8GB on the 8TB model, which helps keep write performance steady during large file copies.

Security and management match Samsung's mainstream client SATA stack. The drive supports AES 256-bit full-disk encryption plus TCG Opal V2.0 and IEEE 1667 encrypted-drive modes, and Samsung Magician software handles firmware checks, health monitoring, and migration on supported Windows hosts. The standard 7mm height and 100 x 69.85mm footprint fit most laptop caddies and desktop trays without adapters.

This listing spans six capacities from 250GB through 8TB. Pick the size that matches your boot partition, game library, or bulk media tier, and confirm your system exposes a spare SATA data and power connection before you order.