This product is either discontinued or we cannot get that from suppliers.
Qnap M.2 2280 SATA SSD-M2080-256GB-A01, SATA 6GB/S SSD 256GB, Internal SSD Module, Memory Data Storage.
2 x 128 GB mSATA SSD, SATA 6Gb/s, Internal SSD Module, compatible with TS-x80 Pro, TS-x80U (R2), TS-x80U-SAS-RP (R2), TS-871U-RP, TS-1271U-RP.