Today we are going to check out one of Thermaltakes latest DDR4 memory kits. We have here the Thermaltake TOUGHRAM XG RGB DDR4 to review. The kit that Thermaltake sent to us is a 16GB (8GB x2) DDR4-4000MHz memory kit. As its name suggests, the TOUGHRAM XG RGB features 16 LEDs for a dynamic lighting.