Features: Add four independent SATA ports to your PCI equipped computer and enjoy the benefits of the optional software for RAID configuration for added speed and/or data security with this adapter card.(Note it is PCI card,NOT PCIE card ). Plug the SATA for RAID PCI card into the PCI slot on your motherboard, and connect SATA devices to the ports on the PCI card using the standard SATA cables of adequate length. The card comes with an optional for RAID utility which lets you configure a for RAID 0 for RAID 1 or for RAID 0+1 setup on two or more of the SATA ports. You can have one for RAID 0 or 1 setup and two independent SATA drives two for RAID 0 or 1 sets or a single for RAID 0+1 set. SIL3114 chipset and supports mode: 32-bit 33/66 MHZ. Specifications: Stable and reliant Silicon Chipset SIL3114 PCI specification revision 2.3 compliant for w/ 32-bit 33/66Mhz host interface Serial ATA specification revision 1.0 compliant Data transfer rate up to 150MB/s. (1.5Gbps) Connect up to 4 SATA drives Plug & for Play connection Software application included for Raid Function: Integrated SATA Transport, Link logic, and PHY layer Supports 4 Independent Serial ATA channels Supports for RAID 0, 1, 5, 0+1, JBOD12 Supports 256-byte transmit and receive FIFOs Supports programmable and EEPROM, FLASH & EPROM loadable PCI class mode Supports ATAPI devices: CD-ROM, DVD-ROM, etc 48-Bit sector addressing Virtual DMA Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1PC x PCI to 4 SATA for Raid Card