Features: Brand new and high quality PCIe 2.0 Gen 1 compliant. x1 Link, dual simplex, 2.5 Gbps in each direction. 15 KV ESD protection for all serial ports. Sleep mode with wake-up Indicator. Transmission media: twisted-pair cable or shielded cable. Direction control: Adopt the technology which automatically controls the data-flow direction、automatically distinguish and control the data-transmission direction. Eight independent UART channels controlled with. 16550 compatible register Set. 256-byte TX and RX FIFOs. Programmable TX and RX Trigger Levels. TX/RX FIFO Level Counters. Fractional baud rate generator. Automatic RTS/CTS or DTR/DSR hardware flow control with programmable hysteresis. Automatic Xon/Xoff software flow control. UART interface support for 7 or 8 data bits,1 or 2 stop bits and even/odd/mark/space/none. Flow control none,hardware and xon/xoff. Extended operating temperature range; -40 to 85⁰C. System Requirements:Windows OSLinux 2.6.27, 2.6.31, 2.6.32, 3.x.x and newerA available mini PCI Express slot. Applications:Next generation Point-of-Sale SystemsRemote Access ServersStorage Network ManagementFactory Automation and Process Control. Specifications: Material: Plastic Model: IO-MPE358C-8S Chip: EXAR 17v358 Output interface: 8 x RS232 serial port Motherboard slot: Mini PCIe Interface protection: 15KV ESD protection for all serial ports Data bits: 7, 8 Stop bits: 1, 2 Check bits: Eve, Odd, Mark, Space, None Working temperature: -40 to 85 ℃ Package Includes: 1Set x MINI PCIe to 8 Port RS232 Serial Card note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!