Best Buy: U.S. Robotics 56K V.92 PCI Internal Fax/Data Modem USR5699B
Amazon.com: US Robotics 56K USB Soft Modem - Fax/Modem (USR5639) : Electronics
US Robotics 56K USB Modem (USR5637) | Comtalk Inc.
Amazon.com: US Robotics USR5686D (005686-04) 56K V.92 Faxmodem : Electronics
US Robotics 568903 Sportster 56K V.90 Modem for Macintosh, No AC Adapter | RecycledGoods.com
RetroTech Chris on Twitter: "Testing out my "new" US Robotics 56K Faxmodem. Dialed up the Diamond Mine BBS. Sound on if you like modem sounds. https://t.co/4yoKUNi1ji" / Twitter
Amazon.com: US Robotics USR courier 56k v90 v92 external business fax/modem rs-232 rohs USR3453C : Electronics