1、High Performance Chip: Adopting original for MCS9990CV high performance chip, high speed and stable transmission, strong compatibility, fast heat dissipation with heat sink to ensure good working performance. 2、Stable and Durable: The power supply module adopts a closed inductor shielding electromagnetic interference, enhance power supply capacity and ensure power supply stability. Built in three full solid capacitors, more resistant to high temperature. 3、USB2.0 Pin: Built in 1 USB2.0 pin to connect floppy drive, optical drive panel, etc. Extend 2 USB2.0 ports for easy connection to external devices. 4、Plug and Play: PCIe to PS/2 expansion card has two external PS/2 ports, a PS/2 keyboard port and a mouse port for PS/2, supports hot swap of devices for easy operation. 5、2 Interfaces: This expansion card is equipped with two PS/2 interfaces for stable and reliable connection of PS/2 keyboard and mouse.