Interface Cards

StarTech.com PEX4S553B 4 Port PCI Express RS232 Serial Adapter Card, Single-Lane PCI Express, Breakout Cable, RS232 Extension, PCIe Serial Card Native single chip design Includes a full profile and low profile/half-height bracket On chip 256-byte depth FIFO in transmit/receive path of each port Single-Lane (x1) PCI-Express with throughput up to 2.5 GBps Supports hardware and software flow... StarTech.com PEX4S553B 4 Port PCI Express RS232 Serial Adapter Card, Single-Lane PCI Express, Breakout Cable, RS232 Extension, PCIe Serial Card