Origin Storage Origin SODIMM 4GB DDR4 2133MHz memory (Ships as 2Rx8 2666mHz). Component for: Laptop, Internal memory: 4 GB, Memory layout (modules x size): 1 x 4 GB, Internal memory type: DDR4, Memory clock speed: 2666 MHz, Memory form factor: 260-pin SO-DIMM, CAS latency: 19