1.Compliant with Serial ATA 1.0 specification 
2.Compliant with PCI Specification, revision 2.2 
3.Provides three independent channels to connect two SATA and one PATA hard disk drive 
( 1 x External eSATA I, 2 x Internal SATA I, 1 x internal PATA IDE) 
4.Supports up to UDMA6 transfer mode of PATA 
5.Support up to 4 storage device connection 
6.Supports RAID 0, 1, 0+1 and JBOD functions 
7.Supports drives with capacities larger than 137GB 
8.Data transfer rate: 
eSATA/SATA up to 1.5 GB/s 
PATA up to 133 Mbps