3Com 3C17300 SuperStack 3 4226T Series Stackable Layer 2 10/100 LAN 26-Port Ethernet Network 1U Rack-Mountable Switch 1730-010-000-7.00. The 3Com SuperStack 3 Switch 4226T is a 26-port fixed configuration 10/100 LAN switch for networks requiring the latest technology at a reasonable price. With 24 10/100 ports and two built-in copper Gigabit ports for stacking or downlinks, this switch offers rich Layer 2 features including wirespeed performance, 802.3ad Link Aggregation (LACP) on its Gigabit ports, Rapid Spanning Tree Protocol for quick network recovery, and Advanced Redundant Power Supply support for high availability. It's fully stackable with other Switch 4200 family devices, up to four units high, with no added hardware required. Auto-negotiation, auto MDI/MDIX, and DHCP support make it simple to install.