Features: Brand new and high quality PCIe 2.0 Gen 1 compliant. x1 link, dual simplex, 2.5Gbps in each direction. 15 KV ESD protection for all serial ports. Sleep mode with wake-up indicator. Transmission medium: twisted pair cable or shielded cable. Directional control: Uses technology that automatically controls data flow direction, automatically distinguishes and controls data transfer direction. Eight independent UART channels are controlled. 16550-compatible register set. 256-byte TX and RX FIFOs. Programmable TX and RX trigger levels. TX/RX FIFO level counter. 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 OS, Linux 2.6.27, 2.6.31, 2.6.32, 3.xx and newer. An available mini-PCI Express card slot. Applications: Next-generation point-of-sale systems, Remote access servers, Storage network management, Factory 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: Even, Odd, Mark, Space, None Operating Temperature: -40 to 85 ℃ Note: No retail package. Please allow 0-1 cm 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! Package includes: 1Set x MINI PCIe to 8-Port RS232 Serial Card