For reliable performance in enterprise networks, choose the 3Com NIC that best meets your connectivity needs—whether it's security, manageability, cost-savings, or compatibility. These PCI-bus NICs make it easy to upgrade existing server and desktop connections, for fiber or copper cabling. Our 3Com Secure NICs protect LANs with standards-based IPSec encryption and authentication. For performance and control, choose our 3Com 10/100 Managed NIC for enterprise networks. The economical 3Com OfficeConnect NIC is designed for small-business networking.