ITEM NAME:X1/X4/X8/X16 Adapter Card Boards Expansion Express PCI-E To PCI SATA Add OnB Hn.Compliant with Serial SATA version 3.0; Compliant with PCI-E 2.0 specification. 1 x 32bit 33M PCI slot. Compliant to PCI 2.3 standard. 1 x PCI-E to PCI Adapter Card. Suitable for: PCI-E 1X/4X/8X/16X port.