PCI-e to 1-port DB9 Serial (RS-232) Controller Card w/ Low-profile Bracket [OEM] SD-PEX15021,This controller card provides enhanced 1 serial port to your PCI equipped computer Fully Compliant with PCI-Express Base Specification Revision 1.0a
Single-Lane (x1) PCI-Express with Throughput up to 2.5Gbps
Low Profile Ready with Extra Low Profile Bracket
On Chip 256-byte Depth FIFO in Transmit
Transfer Data Rates up to 250Kbps on Each Port
Supports Hardware and Software Flow Control
Supports 5, 6, 7, 8-bit Serial Formats
Packaging dimensions: 7 x 6 x 1.5 inch