Corsair 4GB Module Dual Channel DDR3 for AMD and Intel Core i3/i5 and i7 processorsCorsair 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 Corsair Microsystems 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 the most popular memory lines. Features- DDR3- 1333MHz - 4GB 1X240 DIMM- Unbuffered