For its newsletter subscribers only, newegg offers the TRENDnet GREENnet 5-Port 10/100Mbps Ethernet Switch, model no. TE100-S50G, for $19.99. Coupon code "EMCNBNA85" cuts it to $8.99. With free shipping, that's the lowest total price we could find by $9. This item claims to consume up to 40% less energy than the average switch by powering down Ethernet ports when they are unused or when the connected device is off. Deal ends August 15.