Features: 1.Full Duplex Channel: 2.5Gbps PCIE bus supporting full duplex channel. Compliant with Single Lane (x1) PCIExpress Revision 1.0a. 2.Interface Slots: PCI Express x1 interface (also for PCIE x1, x4, x8, x16 slots). Two 9 pin RS 232 serial ports. 3.Support System: PCIE serial card supports operating systems for Windows10, for Win8, for Win7, for Vista, for XP, for Win 2000, for Linux, for DOS, for Windows Server 2003. 4.AX99100 Chip: Allows to easily connect more serial devices to your computer. Stable and reliable chipset AX99100 with signal enhancement chip. Supports remote wake up and power management functions. 5.Application Areas: Serially connected equipment, serial net/monitoring equipment, data acquisition system POS terminals and industrial PCs, I/O expansion of embedded systems. specification:Item Type: PCIE Serial Card Material: PCB Chipset: AX99100 Port number: 2xRS232 Serial Port Interface: PCI Express 1X Slot Applies to: PCIE x1, x4, x8, x16 Slots Supported Operating Systems: For Windows10, for Win8, for Win7, for Vista, for XP, for Win 2000, for Linux, for DOS, for Windows Server 2003 Bezel Length: Approx. 120mm / 4.7in Operating Temperature Range: Minus40 to 85 PackageList:1 x PCIE Serial Card