Kingston ValueRAM DDR4 2666MHz 1x4GB Memory Key Features 4GB of DDR4 RAM Memory Speed of 2666MHz Optimised for Intel and AMD Limited Lifetime Warranty Overview Looking to upgrade your desktop memory? The Kingston 4GB DDR4 2666MHz memory upgrade is perfect for boosting your desktop memory or other compatible system. This Kingston 2666MHz desktop memory DIMM will help give your system the boost it requires if it is becoming frustrating to work with and you are experiencing slowdowns on the most mediocre of tasks such as; opening your web browser, opening multiple programs, opening several web pages etc.