Amazon offers the D-Link 8-Port Gigabit Ethernet Desktop Switch, model no. GO-SW-8G, for $17.99. Clip the $2 off coupon on the product page to drop the price to $15.99. Plus, Prime members receive free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds $8.64.) That's $2 under our mention from March and the lowest total price we've seen. (It's a current low by $2.) It features auto MDI/MDI-X crossover for all ports and support for 802.3, 802.3u, 802.3ab, and 802.3x.
Note that this item is currently estimated to have a two to four week shipping time.