The RocketModem IV uPCI 8 - Port product is a PCI multi-modem card designed to be compliant with the PCI 2.1 specification and supports installation in 3.3V supported bus architectures. Eight RJ11 modem port connections are provided on the edge of the card. Modems support V.92 and communication speeds from 300 bps to 56 Kbps, plus 14.4 Kbps fax. Comtrol RocketModem uPCI IV 4 Port Modem is one of many Analog Modems available through Office Depot. Made by Comtrol Corporation.