NETGEAR XS512EM 12-Port Plus Rackmount 10-Gigabit Switch w/ 2 x 10G SFP+ Ports
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
ZYXEL GS135012HP: Switch, 12-Port, Gigabit Ethernet, PoE+, SFP at reichelt elektronik