Asus Z9PH-D16 - Manual (Page 44)

2-26 Chapter 2: Hardware information
The actual data transfer rate depends on the speed of Serial ATA hard disks
installed.
2.7.2 Internal connectors
1. Serial ATA connectors (7-pin SATA1-2 [Lght blue], SATA3–4 [Black])
These connectors, controlled by Intel ® C602 chipset, are for the Serial ATA
signal cables for Serial ATA hard disk drives.
2. ISAS connectors (7-pin ISAS1–4 [Gray])
Supported by the Intel ® ASRK module(optional), these connectors are for the
SAS signal cables for SAS hard disk drives that allows up to 3Gb/s of data
transfer rate.
If you installed SAS 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 SAS hard disks installed.