Zyxel-GS1900-24-GB0102F-GS-1900-24-v2-Managed-L2-Gigabit-Ethernet-10-100-1000-Zyxel-GS1900-24-GB0102F-b-Near-silent-operation-b-br-The-GS1900-Series-includes-both-fan-less-and-built-in-smart-fan-models-The-smart-fan-is-designed-to-automatically-adjust-speed-based-on-device-temperature-You-can-barely-hear-the-sound-while-the-switch-is-operating-It-is-ideal-for-your-office-environment-br-br-b-Intelligent-PoE-powers-more-devices-b-br-PoE-models-8HP-10HP-24EP-24HPv2-48HPv2-come-wi