MASSCOOL PCI-e 4 port SATA2 (SIL3132 Chip) Model XWT-PCIE10 Type: PCI Express to SATA Card External Ports: 2 x SATA II Internal Ports: 2 x SATA II Data Transfer Rate: 3.0 Gbps Specifications: PCI-e 4 port SATA2 (SIL3132 Chip) 2 Sata port internal, 2 sata port external Support 1-lane 3 Gb/s PCI Express Compliant with STAT 1.0 specification Support SATA II (transfer rate of 3.0Gb/s) Support 2 Independent SATA Channels Weight: 0.36 Package Contents: PCI-e 4 port SATA2 (SIL3132 Chip) User Manual Driver Disk Power Cable SATA Cable Parts: 1 year limited