This product is either discontinued or we cannot get that from suppliers.
Synology SNV3400 400GB NVMe M.2 2280 Enterprise SSD, Sequential Read Speeds Up to 3,100MB/s, Write Speeds Up to 550MB/s, Random Read Speed: Up to 205,000 IOPS, Read Speed Up to 40,000 IOPS, TBW 500TB, MTBF 1,800,000 Hours, Form Factor M.2 2280, Interface NVMe PCIe 3.0 x4.
Synology SNV3000 series NVMe SSD is designed to handle tough caching workloads in a 24/7 multi-user environment. Its durable I/O performance boosts system responsiveness and speeds up handling of frequent access data.