Kingston DDR4 32 GB DIMM 288-pin 2666 MHz / PC4-21300 CL19 1.2 V registered ECC for Lenovo ThinkSystem SD530; SN850; SR550; SR570; SR590; SR650; SR850; SR860; SR950; ST550. Kingston memory is designed, manufactured and rigorously tested to meet the exact specifications of each brand name system. It's guaranteed to be compatible and backed by a lifetime warranty and legendary Kingston reliability. Kingston Technology System Specific Memory KTL-TS426/32G. Component for: PC/Server, Internal memory: 32 GB, Memory layout (modules x size): 1 x 32 GB, Internal memory type: DDR4, Memory form factor: 288-pin DIMM, ECC, Product colour: Green.