Devolo MicroLink 56k PCI Modem Bulk. Modem speed: 56 Kbit/s, Interface: PCI. Maximum fax transfer rate: 2400–14400 bps. Minimum system requirements: -PCI interface-CD-ROM, Minimum processor: Pentium II, 233 MHz. Operating temperature range (T-T): 0 - 70 °C. Weight: 90 g