This kit does not contain any DDR4 memory. A separately purchased Vengeance RGB PRO Memory Kit is required for your system to function. 2 light enhancement modules to fill your empty DDR4 slots, with the same RGB lighting effects of your existing Vengeance RGB Pro Memory modules. Corsair iCUE software brings your system to life with dynamic RGB lighting control, synchronized across all your iCUE compatible Corsair products Works with most Intel and AMD DDR4 motherboards Requires no extra wires or cables for a clean and seamless install