... Models) is Compatible with PCI-Express x4, x8, and x16 slotsSupports Communication Speeds of 6.0 Gbps, 3.0 Gbps, and 1.5 GbpsHot Plug ... )Hardware RequirementComputer Motherboard with PCI-e Version 2.0 x2 Slot (This card will not fit into a PCI-e 1.0 x1 ... slot) SATA III 4-port PCI-e Version 2, x2 Slot Controller Card,HyperDuo, Mixed array RAID, with Full and ...