WD Black SN7100 500 GB (WDS500G4X0E)

The WD Black SN7100 is a line of internal solid-state drives in M.2 2280 form factor designed for NVMe-enabled systems, targeting gaming PCs, laptops, and portable gaming devices. The WD Black SN7100 series features a PCIe 4.0 x4 interface, Western Digital TLC 3D NAND memory, and a DRAM-less architecture. The lineup includes capacities of 500 GB, 1 TB, 2 TB, and 4 TB. Speed performance varies by capacity: the 500 GB model delivers up to 6800 MB/s read and up to 5800 MB/s write; the 1 TB and 2 TB models reach up to 7250 MB/s read and up to 6900 MB/s write; and the 4 TB model achieves up to 7000 MB/s read and up to 6700 MB/s write. Random access performance also differs by capacity, offering up to 760K/1200K IOPS for 500 GB, up to 1000K/1400K IOPS for 1 TB and 2 TB, and up to 900K/1350K IOPS for 4 TB. Write endurance is rated at 300 TBW for 500 GB, 600 TBW for 1 TB, 1200 TBW for 2 TB, and 2400 TBW for 4 TB. The drive is compatible with lower PCIe modes, operates across a temperature range of 0…85 °C, measures 80×22×2.38 mm, and weighs approximately 5.8 g, making it suitable for upgrading modern compact systems where high throughput and diverse capacity options are important.