Buy.com via eBay offers the TRENDnet GREENnet 5-Port Gigabit Ethernet Switch, model no. TEG-S50G, for $19.99 with free shipping. That's tied with our August mention and the lowest total price we could find by $9. Features include five Gigabit Ethernet ports, a power-saving mode that reduces power consumption by up to 70%, and more. Deal ends October 18 at 11 am ET.