Amazon.com Inc took a big gamble this year by expanding its annual Prime Day summer sale to four days from two, betting the extension would give shoppers more time to navigate the millions of deals on its sprawling web store.

We've found massive discounts on desktop PCs for home, office, or game room this Amazon Prime Day. Check out the money-saving deals from all the top brands.

We're only halfway through Amazon's July Prime Day event. It's a whopping four days long this year, running through Friday, July 11, which means there are more deals than ever to entice shoppers looking for a bargain.