D-LINK Switch 10G Layer 3 Stackable Managed Switches 28x10G SFP+ + 4x25G SFP28 Multi-Gigabit L3 10G, DXS-3410-32SY/E 64-Byte Packet Forwarding Rate565.44 MppsAcousticMax:53.3 dB Min:24.8 dBSwitch Capacity760 GbpsDimensions441.0 x 250 x 44.0 mm (17.36 x 9.84 x 1.73 in)Maximum Heat Dissipation354.86 BTU/hMaximum Power ConsumptionMax:104.0 W Standby:29.3 WMTBF437,675. 04 hoursOperating Humidity10% - 90% RHOperating Temperature0 - 50 °C (32 - 122 °F)Storage Humidity5% - 90% RHStorage Temperature-40 - 70°C (-40 - 158 °F)Packet Buffer Size4 MBPower Input100 to 240 V AC 50 to 60 Hz internal power supplyPort1 x RJ-45 Console port 1 x RJ-45 Management port 1 x USB 2.0 port 28 x 10G SFP+ ports 4 x 10/25G SFP28 portsVentilation3 x Smart fansSwitching Capacity760 GbpsWeight3.88 kg (8.55 lbs)