Memory Standard: Supports 1R 2933/ 2666/ 2133 MHz* / 1DPC 1R Max speed up to 4800+ MHz / 1DPC 2R Max speed up to 4266+ MHz / 2DPC 1R Max speed up to 4400+ MHz / 2DPC 2R Max speed up to 4000+ MHz / * Please refer www.msi.com for more information on compatible memory