1. Interface: 2 internal SATA interfaces, 1 ATA133 interface, 2 external eSATA interfaces (external eSATA and internal SATA can only be used 2 at the same time, selected by jumper; default is 2 internal SATA interfaces). 2. Supports RAID 0, RAID 1, RAID 0+1 modes, supports JBOD. Complies with PCI-Express 1.0 standard, PCI-Express speed is 2.5 Gb/s full duplex channel. 3. Driver supports Windows 2000 / XP / 7 / 8 / Server 2003 / XP 64 bit / Vista, Mac, DOS. 4. Supports Ultra ATA 133 hard disks, and supports Ultra ATA 100/66/33 standards downward compatibility. 5. Supports 1 external eSATA interface and 1 internal SATA interface, transfer rate up to 3 Gb/s, and supports SATA 1.0 standard. Specifications: RAID array: supports RAID 0, RAID 1, RAID 0+1 modes, supports JBOD Transfer rate: 133 MB/sec, ATA133 Chip: JMB363 Supports large capacity hard disk (48-bit LBA mode): 137 GB or more One IDE interface: supports up to 2 IDE devices Material: PC + metal Color: Black Package Contents: 1 x Express Expansion Card Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.