Features: Supports four hard drives. Supports hard disk with capacity greater than 137 GB (48-bit LBA). Support RAID 0, RAID 1, RAID 5, RAID 0+1 mode, JBOD. 4 internal SATA interface, the transmission rate is up to 1.5Gb/s. Supports 32-bit PCI bus; Bus speed of 33 MHz / 66 MHz; PCI 2.3 standard. PCI Plug and Play compatibility. Applications: 150 MB/s (S-ATA Rev1.0 theoretical value). Support Windows 98SE/Me/2000/XP/NT 4.0/XP 64bit/Vista/Linux Netware operating system. Features: Chipset: Silicon Image Sil3114 Package weight: 100g SATA: Supports four internal SATA interfaces, the transmission rate is up to 1.5Gb/s Supports SATA 1.0 standard 256 byte FIFO port for fast read/write operation For RAID: Support RAID 0, RAID 1, RAID 5, RAID 0+1 mode, JBOD Supported device: Hard disk, CD-ROM, DVD-ROM , CD-R, CD-RW, DVD-R, DVD-RW, etc. System Requirements: There is at least one 32-bit PCI slot available on the PC Supported Operating Systems: for Windows 98SE/Me/2000/XP/NT 4.0/XP 64-bit/Vista/Linux Netware OS. Lilst Package: 1 x PCI to 4 SATA Port RAID Card 1 x CD Drive Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before you order.