SE-U2M9990A-P2 PCIe to PS2 riser card with dual ports can add 2 PS/2 ports to your desktop motherboard or server. Supports hot-swappable, plug-and-play, and driver-free peripherals SE-U2M9990A-P2 uses ASIX MCS9990 chip solution, stable transmission, compatible with line power, used for any other external PS/2 interface devices such as mouse and keyboard. The PCI bus is suitable for PCI x1, x4, x8, x16 slots on the motherboard, PCI slots are not supported. The PS/2 port provides two external PS/2 terminal interfaces, supports hot plugging, and provides users with high-speed, stable, and secure data transmission. Built-in 1 9-pin USB2.0 pin port, which can be connected to a floppy disk drive, optical drive, or USB expansion panel. Built-in 4-pin power connector for sufficient power and stable operation of the equipment. (Low power consumption, environmental protection, and energy saving) Chip: ASIX MCS9990 Slot: PCI x1 Interface: 2 x PS/2 (round terminal) Built-in power connector and USB expansion Support equipment hot swap, no driver, plug and play size: 8 x 6 x 1 cm Material: pcb color: black Package Contents: 1 * PCIE PS/2 Riser Card MCS9990 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 to differ slightly from the real item. The allowable measurement error is +/- 1-3 cm.