D-Link GO-SW-5G 5-Port Gigabit Desktop Switch for $12.29 after clipping a $5.70 coupon as shown here.  Shipping is free on orders over $35.  If needed, use this Filler Tool to pad the order for free shipping.  It features D-Link green technology, and is an inexpensive gigabit solution for home/SOHO with five 10/100/1000 Mbps gigabit ports.