Mushkin Enhanced Memory Systems is a name familiar to most enthusiasts, one that holds great reputation for performance and quality. Today I will be reviewing the Mushkin XP4000 Redline memory kit. The Extreme Performance series (XP) is designed for hardcore PC enthusiasts, featuring tight timings of 2-2-2 and extreme overclocking potential. The XP4000’s main rival is the OCZ PC-4000 VX, which features many of the same qualities and performance specifications; hence I will be putting them head to head. So, read on to find out which to see how Mushkin’s XP4000 modules held up.