B&H Photo-Video offers the TRENDnet GREENnet 8-Port Gigabit Ethernet Switch, model no. TEG-S8G, for $24.95 with free shipping. (Buy.com has it for a close $24.99.) That’s the lowest total price we could find by $8. This item claims to consume up to 70% less energy than the average switch by powering down Ethernet ports when they are unused or when the connected device is off. It features 16Gbps forwarding capacity, back pressure control for half-duplex mode, and more.