PCI-E To 4 Ports SATA 3.0 ESATA PCIE SATA3 6Gbps Expansion Card PCI-E Adapter 

Only two ports can work at same time. You need to set the jumper at the PCB.

Extend more SATA 3.0 data interfaces, and support more storage devices. 

Meet for PCI Express 2.0 and SATA revision 3.0 

Speed for SATA III up to 6.0Gbps, compatible with SATA I and SATA II  

PCI Express speed rate to 2.5G/S, double channels 

Completely support for SATA, for immediate working with plug 

Speed for SATA3.0-- 6Gbps 

Support IDC/AHCI Model 

Hot-plug capability 

Support Native Command Queuing (NCQ) 

Support for Windows   , Linux and for Mac OS X 10.6 and above  (Note:It is not support windows 7 and windows 8)

Support for 2TB hard disk 

Supports PCI Express x1, x2, x4, x8, and x16 Lane