Product Description EVGA Z97 Classified EVGA Z97 Classified LGA1150 Haswell Refresh, EATX, 4 DIMM Dual-Channel DDR3 2666MHz MotherboardEATX 152-HR-E979-KR Performance Based on Intel Z97 chipset Memory 4 x 240-pin DIMM sockets Maximum of 32GB of DDR3 (2666MHz+ in dual channel configuration) Storage I/O 8 x Serial ATA 600MB/sec (8 Internal) with support for RAID 0 and RAID1 Expansion Slot 1×16, 2×16, 3×8, 4×8 Multi I/O Audio connector (Line-in, Line-out, MIC) Integrated Peripherals 6 Channel Creative Sound Core3D 2 x 10/100/1000 (Intel i217/i210) Form Factor EATX Form Factor Length: 12in – 304.8mm Width: 10.375in – 263.5mm Operating System Support Windows 8 32/64bit Windows 7 32/64bit