The 3Com Switch 4210 is a Layer 2 entry-level 10/100 LAN switch with enterprise-class QoS, security and management features, delivering high value for network administrators looking for an economical edge device that provides simple port expansion. Setting them apart from lower-end "smart managed" devices, the Switch 4210 supports an industry-standard Command Line Interface (CLI), Web-based administration, and SNMP management. Cluster together up to 32 devices for easy administration, with single IP management across 3Com switching lines - with mixed clusters of Switch 4210, 4200G, 4500G, 5500 and 5500G devices. This switch has Gigabit uplinks; its combination ports can run in one of two modes: 10/100/1000 Mbps connections over copper Ethernet cabling, or 100 or 1000 Mbps over fiber cabling using SFP mini-GBIC technology. The Switch 4210 comes with 3Com's lifetime warranty covering the unit, power supply and fan; Advanced Hardware Replacement with next business day shipment is available in most regions.