Hayes SmartModem 2400M NuBus Apple Rescue of Denver » Products Page » Networking » Internal Modems » 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 not in stock Price: $15.00 This product has sold out. Updating...