Synology announces new 800GB capacity SNV3400 M.2 2280 and SNV3500 M.2 22110 NVMe SSDs with sequential writes of 1000 MB/s and support for larger cache applications : r/synology
Synology SNV3400 400GB NVMe M.2 SSD Review
Synology M.2 NVMe SSD Pools Support Added - StorageReview.com