SATA Support 4 internal SATA interfaces, the transmission rate can reach 1.5Gb / s Supports SATA 1.0 standard 256- port for fast read / write operations array Support 0, 1, 5, 0 + 1 mode, support JBOD supporting device Hard disk, CDROM, DVD ROM, CD-R, CD-RW, DVD-R, DVD-RW, etc. colour:black Material:plastic Package Contents: 2 x 4-port PCI to SATA conversion card Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Compatible plug and play 4 internal SATA interfaces, transfer rate up to 1.5Gb / s Support 0, 1, 5, 0 + 1 mode, support JBOD Official driver supports 98SE / Me / 2000 / XP / NT 4.0 / XP 64-bit / Vista, Linux & Netware ordinary:Support PCI 32-bit bus, bus speed is 33MHz / 66MHz, PCI standard version 2.3