TRENDnet's 24-Port Gigabit GREENnet Switch, model TEG-S24D, provides performance, proven reliability, and reduced power consumption. Embedded energy saving GREENnet technology works right out of the box with no management required. This fanless unmanaged desktop switch offers a total switching capacity of 48 Gbps and 802.1p Quality of Service traffic prioritization pass-through support. Twenty four Gigabit ports produce a 48 Gbps switching capacity and support Jumbo Frames up to 9 KB. GREENnet technology saves energy by powering down unused ports and improving the efficiency of used ports. MAC level IEEE 802.1p Quality of Service (QoS) traffic prioritization pass-through support.