Gallery: MacBook Pro teardown exposes Thunderbolt Summary: This MacBook Pro gallery shows off the debut of Intel's Thunderbolt, a controversy over the amount of thermal paste, and many other details involved in the laptop's construction. By Andy Smith | March 3, 2011 -- 08:07 GMT (00:07 PST) Previous | Next Image 25 of 35 Here is the is the AMD Radeon HD 6490M GPU. Photo credit: With permission from iFixit.com Topics: Apple, Hardware, Laptops, Mobility Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.