... Express x2 Interface (for Selected Models) is Compatible with PCI-Express x4, x8, and x16 slotsSupports Communication Speeds of ... Plug and Hot SwapSupports Native Command Queue (NCQ)Supports Port Multiplier FIS Based Switching or Command Based SwitchingCompatible with ... ) or Capacity-Cost (Optimized) SATA III 4-port PCI-e Version 2, x2 Slot Controller Card, HyperDuo, Software RAID, with Full and ...