The SNV5420-1600G is a high-performance M.2 2280 NVMe PCIe 3.0 x4 solid-state drive designed for demanding caching workloads in 24/7 high-concurrency environments. It delivers sustained sequential read speeds up to 3,000 MB/s and write speeds up to 1,000 MB/s, with random read/write IOPS of 660,000 and 120,000 respectively. The drive boasts a Total Bytes Written (TBW) rating exceeding 2,900 TB, ensuring reliability under intensive use. It features power loss protection to maintain data integrity during unexpected shutdowns and is compatible with various Synology NAS models, including DS1520+, DS920+, DS720+, DS420+, and DS1019+.