Dell Force10 24 Port Gigabit Switch + 2 x 24Gbps Stacking Module - S25-01-GE-24T

3Com PS Hub 40 SuperStack II SSII 3C16406 24-Port 10Mbps Ethernet Network Hub

HP J9982A 1820 Series 8-Port Gigabit Switch with 4 PoE+ Ports - Managed Network

HP J9979A-WPSU 1820-8G Switch 10/100/1000Base-T Ports (1-8) W/O PSU -

NETGEAR ProSafe GS108 8-Port Gigabit Ethernet Switch

Extralink ZQ-POE-12-GUA 12 Port Gigabit PoE Injector Rackmount

Cisco WS-X6704-10GE 6500 4-Port 10 Gigabit Ethernet Module

Edge-Core ECS4610-50T Stackable Switch