Apple MacBook Pro MC372LL/A Intel Core i5-540M X2 2.53GHz 4GB 500GB DVD+/-RW, Silver (Renewed)

The MacBook Pro 15-inch models set all-new benchmarks for Mac notebooks. The 15-inch MacBook Pro feature Intel Core i5 processors, which boost performance up to 50 percent(1) and reach Turbo Boost speeds up to 3.33GHz. Next-generation NVIDIA graphics bring high performance to everything from 3D games to photos and videos. And the built-in battery lasts up to 10 hours (8 to 9 hours on the 15-inch models).(2) (1) Up to 50 percent faster compared with previous-generation MacBook Pro. (2) Testing conducted by Apple in March 2010 using preproduction 2.66GHz Intel Core 2 Duo–based 13-inch MacBook Pro, 2.66GHz Intel Core i7–based 15-inch MacBook Pro, and 2.53GHz Intel Core i5–based 17-inch MacBook Pro. Battery life depends on configuration and use. See www.apple.com/batteries for more information. The wireless productivity test measures battery life by wirelessly browsing various websites and editing text in a word processing document with display brightness set to 50%.