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