This product is either discontinued or we cannot get that from suppliers.
Qnap Heatsink For M.2 SSD HS-M2SSD-03, 68*19.8*1MM, Dark Green, 8 pcs/ 6pcs.
Qnap Heatsink For M.2 SSD Module 8PCS Dark Green NAS Accessories Heatsink f M.2 SSD module 6PCS 68x19.8x1MM Dark Green