SOLD: Apple Airport Extreme Base Station, 6th Generation * Two for Sale; Discount for Both * Free Shipping

[Zoidberg]

Here's the comparison chart @ Wikipedia. The big change is the implementation of 802.11ac, which I found to be a massive step up from the v5 models I had. I don't believe there was any other change between the v5 and v6, however. (Same form factor, same ports, etc.)