CORSAIR ValueSelect 8GB (2 x 4GB) 260-Pin DDR4 SO-DIMM DDR4 2133 (PC4 17000) Laptop Memory Model CMSO8GX4M2A2133C15 Cas Latency: 15 Timing: 15-15-15-36 Voltage: 1.2V Buffered/Registered: Unbuffered Features: Corsair built its reputation on performance memory that shines in the most demanding computing situations: extreme gaming and high-transaction processing environments. But not all computers are put to such extreme usage. So we brought the same reliability, testing and Corsair quality to a line of memory designed to support standard computing situations such as popular office applications. Now it's one of our most popular memory lines. Backed with a lifetime warranty, it is memory you can rely on.