Buy Kingston KTL-TS426S8/16G 16GB DDR4 Memory Module Capacity: 16 GB (1 x 16GB) Type: DDR4-2666/PC4-21300 DDR4 SDRAM Speed: 2666 MHz CAS Latency: CL19 Voltage: 1.20 V Error Correction: ECC (Error-Correcting Code) Form Factor: Registered 288-pin DIMM Warranty: Lifetime Warranty