1-port DB-25 Parallel Printer Port (LPT1) PCI-e Controller Card with Low Profile Bracket, MCS9900 Chipset - 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 - IEEE 1284 Compatible Parallel Port - Fast Data Rate up to 1.5Mbps - Build-in 256-Byte FIFO