Staples offers the TRENDnet GREENnet 8-Port Gigabit Ethernet Switch, model no. TEG-S82g, for $17.99. Plus, Staples Rewards members qualify for free shipping. (Not a member? Click here to sign up for free.) That's $2 under yesterday's mention (still live) and the lowest total price we've seen. This unmanaged switch uses GREENnet technology to automatically adjust power voltage for energy savings.