Asus P8B-X - Manual (Page 45)

ASUS P8B-X 2-27
2.7.2 Internal connectors
1. Serial ATA connectors
(7-pin SATA1, SATA2, SATA3, SATA4, SATA5, SATA6)
Supported by the Intel
® C202 chipset, these connectors are for the Serial ATA
signal cables for Serial ATA hard disk drives that allows up to 3Gb/s of data
transfer rate.
If you installed Serial ATA hard disk drives, you can create a RAID 0, RAID 1,
RAID 10, or RAID 5 configuration.
The actual data transfer rate depends on the speed of Serial ATA hard disks
installed.