The UK got a discount on the Nexus 5X, so it's only fair that the US gets a discount on the Nexus 6P, right? The 64GB model cost just over $400 on Amazon US while the 128GB model is $480. This basically means you get double the storage for the same cash you would have paid a month ago. Note that this is a Prime Day deal - you need a Prime membership (first month is free) and it ends at the end of the day. Huawei Nexus 6P: Front Silver Graphite Gold I skipped over the 32GB model as that doesn't seem to be a part of the promotion and currently costs more than the...
Source: http://www.gsmarena.com/huawei_nexus_6p_64gb_discounted_to_400_128gb_gets_a_deal_too-news-19352.php