Контроллер ASUS U3S6 (box) = 2*USB3.0 + 2*SATA3

Internal Connectors: 2 x SATA 6Gb/s ports support of up to 2 SATA disk drives.
Backward compatible with: SATA 3Gb/s and SATA 1.5Gb/s hard disk drives.
External Connectors: 2 x USB 3.0 ports.
Backward compatible: with USB 2.0/1.1 interface.
Interface: PCI Express x4 interface
Compatible with: PCI Express x4, x8, and x16 slots
Configuration Supported: AHCI Mode
Operating Systems Supported: Windows 7/Vista/XP 32/64bit