EdgeSwitch 12 Fiber, Ubiquiti.
12 SFP ports (1G) and 4 RJ45 Gb ports;
1U rackmount form-factor with removable mounting ears;
No PoE output support (i.e., like the Lite models);
Fanless design (like ES-24-Lite);
DC power input support: 2.5 mm DC power inline connector, can be used with external PSU, 16V to 25V, minimum 56W (like ES-48-Lite);