Single- (x1) PCI-Express endpoint controller with integrated PHY PCI Express 2.0 compliant Compliant with PCI Express M.2 specification version 1.0 Compliant with PCI Power Management 1.2 Connector type:MiniPCIE Hardware features: Compliant with PCI Express Specification Version 2.0 X1 link dual simplex, 2.5Gbps in each direction Supports x1, x2, x4, x8, x16 (lanes) PCI Express slot supports 2 RS232 ports 16 multi-purpose input/output () 16-bit general-purpose timer/counter Serial data rate up to 31.25Mbps Data bits: 5, 6, 7 or 8 control: None, hardware and Xon/Xoff Stop bits: 1, 1.5, 2 Parity Even/Odd/Mark/Space/None 256-byte TX and RX FIFOs TX/RX FIFO level counter Automatic / or DTR/ hardware control with programmable hysteresis Multi-address-drop infrared (IrDA 1.1) data encoder/decoder with automatic address detection (The product printed words depending on the batch, but this does not affect use) Color:As Shown Material:PCB Package Contents: 1 * Expansion Card kits Only 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.