The Mainpine RockForce range of multi-port interface cards for Fax, Data and Voice applications. Providing the modern features for network fax servers, these boards are designed for high reliability as well as performance. Supporting V.34 fax, RockForce boards can help significantly reduce fax-related telephony charges and make the most of available lines. The boards all conform to PCI 3.0 and fit inside the short board form factor. This guarantees operation in any PCI compliant system and does not require a full-length slot.