IBM - 65X1253 - Internal Modem MCA 300/1200/2400 bps 65X1253 - IBM - Internal Modem MCA Card for 300/1200/2400 $374.58 $304.54
HP - 430881-001 - Modem with Cable 430881-001 - HP - Modem Module with Cable for NX6325 / NX6315 $87.08 $70.80
IBM - 48G9582 - Internal Modem Card 300/1200/2400 bps 48G9582 - IBM - Internal Modem Card for 300/1200/2400 $311.41 $253.18