Cisco 28-Port Gigabit Managed SFP Switch

Humidity (Storage) : 10% to 90% Relative Humidity noncondensing Weight : 5.95 lb (2.7 kg) Dimensions (inches) : 17.3 x 1.45 x 10.12 in Acoustic Noise (at 40C) : 43.6 dB Capacity : 56.0 Gbps Power (Frequency) : 50 to 60 Hz Humidity (Operating) : 10% to 90% Relative Humidity noncondensing Dimensions (metric) : 44.0 x 4.4 x 25.7 cm System Power Consumption : 110V=32.0W, 220V=34.3W Heat Dissipation (BTU/hr) : 117 Combo Ports (Gigbit Ethernet) : 2 Gigabit Ethernet combo Temperature (Operating) : 32 to 113 F (0 to 45 C)