Brand new and high qualityAllows to connect serial and parallel devices to your computer .Stable and chipset AX99100 with signal enhancement chip.Plug and play installation.Model Number: TXB102Chipset: AX99100-1P1SPort number: 1 x 9Pin Serial,1 x 25Pin ParallelInterface: PCI 1X slotApplicable Model: regular desktopSupport OS: Vista, XP, 2000,Linux, , Windows Server 2003Baffle Size: .120mm/4.72inModel Number: PCIE Riser Cardcolor:GreenMaterial:PC+metalPackage Contents:1 x PCIE Riser CardOnly 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.