Newegg offers the TRENDnet GREENnet 8-Port Gigabit Ethernet Switch, model no. TEG-S82g, for $29.99. Coupon code "EMCWPWP42" cuts it to $19.99. With free shipping, that's the lowest total price we could find by $5, although we saw it for a buck less three weeks ago. This unmanaged switch uses GREENnet technology to automatically adjust power voltage for energy savings. Coupon expires October 13.