Asus KGNH-D16 - Manual (Page 45)

ASUS KGN(M)H-D16 2-27
2.7.2 Internal connectors .7.2 Internal connectors
1. Serial ATA connectors (7-pin SATA1, SATA2, SATA3, SATA4, SATA5,
SATA6)
Supported by the AMD SP5100 chipset, these connectors are for the Serial
ATA signal cables for Serial ATA hard disk drives that allows up to 300 Mb/s
of data transfer rate.
The actual data transfer rate depends on the speed of Serial ATA hard disks
installed.