Hayes SmartModem 2400M NuBus Apple Rescue of Denver » Products Page » Macintosh to PowerPC » Cards - Boards - CPU (Macintosh) » Hayes SmartModem 2400M NuBus Internal Hayes SmartModem 2400M is an internal modem for Macs with a NuBus slot. Modem is untested as I do not have service capable of dial up, so sold as-is. Product in stock Price: $15.00 Updating cart... Updating...