Product Detail CPU: Socket 1156 Support Intel Core i7 & Core i5 Processor; Supports Intel Turbo Boost Technology; Feature with V4 + 1 Power Phase Design. Chipset: Intel P55 Memory: 4x 240pin DDR3-2400+(OC)/2133(OC)/1866(OC)/1600/1333/1066 DIMMs, non-ECC, un-buffered, Dual Channel, Upto 16GB . The "ASRock LGA1156/ Intel P55/ DDR3/ Quad CrossFireX & Quad SLI/ A&GBE/ ATX Motherboard P55 EXTREME" is best product for you. We recommended ASRock LGA1156/ Intel P55/ DDR3/ Quad CrossFireX & Quad SLI/ A&GBE/ ATX Motherboard P55 EXTREME