Brand new 4-port serial adapter, RocketPort PCI Universal board and QuadCable with 4 male DB9 connectors by Comtrol, model 99341-4. Data transfer rate 460.8 Kbps. A CD with software and documentation is included. Detailed specification can be seen on the manufacturer site at http://www.comtrol.com/rocketport-multi-port-serial-cards/rocketport-universal-pci/rocketport-universal-pci-quad-db9