12-Port L2+ 10Gb Switch with 12x 10Gb SFP+ and 4x Gigabit RJ45 - FS
3Com (3CR1766091US) 12-Ports External Switch Managed stackable for sale online | eBay
Amazon.com: NETGEAR 12-Port 10G Multi-Gigabit Plus Switch (XS512EM) - Managed, with 2 x 10G SFP+, Desktop or Rackmount, and Limited Lifetime Protection : Electronics
8 Port Ethernet Switch, DIN Rail Mount, 10/100Mbps, Wide-Temp -40 to +75C , 12-48 VDC or 24 VAC powered, UL listed - Fastercable
Full gigabit 12-port industrial Ethernet switch-Industrial Ethernet Switch
Netgear M4100-D12G 12-Port Gigabit Switch - IP Phone Warehouse