RJ-45 10/100/1000 ports 8 RJ-45/SFP 10/100/1000 combo ports 2 PoE ports 0 Switch capacity (with 2GigE uplinks) 20 Gb/s Max frame rate (2GigE uplinks) 29.76 Mp/s Operating temperature C to +45 C, 32 F to +113 F Storage temperature -40 C to +75 C, -40 F to +167 F Humidity (operating and storage) % - 95% MTBF (hours) 694,151 Power supply efficiency 89.7% Fanless design (Yes/No) Yes Acoustic (dB) 0 100% traffic 15.00 W/51.18 PoE power budget N/A Max PoE power/port (up to the power budget) /A