WD PC SN740 256GB PCIe Gen4 x4 M.2 NVMe SSD

Boost your system’s responsiveness and efficiency with the Western Digital PC SN740 256GB NVMe SSD. Designed to leverage the high-bandwidth PCIe Gen 4.0 x4 interface, the SN740 delivers sequential read speeds up to 4,000 MB/s and write speeds up to 2,000 MB/s—offering a dramatic speed improvement over traditional SATA drives and older Gen3 storage. Built with 112-layer 3D TLC NAND and an advanced DRAM-less controller utilizing Host Memory Buffer (HMB) technology, the SN740 delivers high-performance caching without draining battery life or increasing thermal output. Whether you're assembling a lightweight desktop, upgrading a laptop, or replacing an OS boot drive, this single-sided M.2 drive provides dependable performance and an endurance rating of 200 TBW. Key Features: PCIe Gen4 x4 Speed: Blazing-fast transfer rates with up to 4,000 MB/s read and 2,000 MB/s write. Smart Power Management: Optimized low power consumption keeps thermals down and battery life long. Host Memory Buffer (HMB): Leverages system memory for efficient performance without dedicated DRAM cost. Universal Compatibility: Backward compatible with PCIe Gen3 slots (operating at Gen3 speed caps). Reliable TLC Storage: High-density 3D TLC NAND backed by a 200 TBW endurance rating.