ASRock ATX DDR3 1333 LGA 1150 Motherboards Z97 EXTREME4 Supports the 5th/ New 4th/ 4th Generation Intel Core i7/i5/i3/ Pentium/ Celeron Processors Memory: 4x DDR3-3200+(OC)/2933+(OC)/ 2800(OC)/ 2400(OC)/ 2133(OC)/ 1866(OC)/ 1600/ 1333/ 1066 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 32GB Slots: 3x PCI-Express 3.0 x16 Slots (run at x16 or x8/x8 or x8/x4/x4), 3x PCI-Express 2.0 x1 Slots Multi-Graphics: Supports AMD Quad CrossFireX, 3-Way CrossFireX, CrossFireX and NVIDIA Quad SLI, SLI Technology SATA: 8x SATA3 Ports, Six Support RAID 0, 1, 5, 10; 1x SATA Express Port M.2: 1x M.2 (NGFF) Port, Support SATA3 & PCI-Express 2.0 x2 Mode