SYBA PCI-Express 4-Port DB9 Serial (RS-232) Card Model SI-PEX15057 Type: PCI Express to Serial Port Card External Ports: 4 x Serial Ports Standard: RS-232 Data Transfer Rate: up to 128000bps Operating Systems Supported: Windows OS Package Contents: 1 x 4-port DB9 card 1 x Driver CD 1 x User Manual 2 x Low Profile Bracket
