This card enables Serial ATA PHY up to 6.0Gbps high speed interface utilizing a native Mini PCI-Express 2.0 interface. - Based on ASMedia ASM1061 PCI-Express 2.0 SATA 6Gbps Controller - 1-Lane Mini PCI-Express 2.0 Interface Supports Communication Speed of 2.5Gbps and 5.0Gbps - Compliant with PCI-Express 2.0 Base Specification - Hard Drive Activity LED Indicator. (LED Blinks for Read/Write Activities)