ST549 MINI PCI-E to 4 Ports SATA3.0 Expansion Card for Desktop

1.Compliant with PCIe 2.0 specifications. 1- lane. communication speeds of 2.5 Gbps and 5.0 Gbps 2.Supports IDE programming interface registers for the SATA controller 3.Supports AHCI programming interface registers for the SATA controller 4.Supports aggressive power management 5.Supports error reporting, recovery, and correction 6.Supports Message Signaled Interrupt (MSI)