Asus RS926-E7/RS8 - Manual (Page 63)

ASUS RS920-E7/RS8; RS926-E7/RS8 4-9
2. ISAS connectors
Supported by the Intel ® C602 Chipset. ISAS 1-4 connectors can connect to
serial ATA 3Gb/s hard disk drives.
3. PSAS connectors (PIKE required)
SAS connector - PSAS connectors are for the SAS signal cables for SAS
hard disk drives that allows up to 6Gb/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.
The actual data transfer rate depends on the speed of SATA hard disks installed.