MSI X58 Pro Core i7/Intel X58/6DDR3-1333/ATI CrossFireX/GbE/R/A/1394/ATX Motherboard CPU Socket Type LGA 1366; CPU Type Intel Core i7; Quick Path; Chipsets; X58 Number of Memory Slots 6x240pin (support for DDR3); DDR3 1066 / 1333 / 1600 (OC); Maximum Memory Supported Max: 24GB (DDR3); Triple Channel Memory Bus Expansion Slots: 3 x PCI Express 2.0 x16 ;PCI Slots 2. Storage Devices: PATA 1 x ATA100 2 Dev. Max; 6 + 2 SATA 3Gb/s; SATA RAID 0/1/5/10. Audio Channels 8 Channels