This product is either discontinued or we cannot get that from suppliers.
Kingston KTL-TS421/16G, 16GB, Speed 2133MHz (PC4-17000), ECC Registered, CAS Latency 15, Form Factor DDR4, 288 Pin.
Kingston invests millions in the development and testing of its modules today to reduce your total cost of ownership tomorrow. The resulting performance, stability and long-term reliability.