Foxconn Rattler BIOS C3AF1P01 Intel® P67 Chipset sandybridge processors Dual channel DDR3 2133(oc)/1866(oc)/1600(oc)/1333/1066 x 4 DIMMs, Max.32GB 2 * PCIe2.0 x 16 (Slot 1&2 share 16X), 3 * PCIe2.0 x 1, 1 * PCI bus slot. 4* SATA II ; 2* SATAIII; RAID 0, 1, 5, 10 Gigabit Lan