Sort By:

    The iMac “Core i5” 3.1 27-Inch Aluminum (Mid 2011) features a 22 nm Quad Core 3.1 GHz Intel “Center i5” I5-3407S (Ivy Bridge) processor with four independent processor centers on a single chip, a 6 MB shared level 3 cache, 8 GB of 1600 MHz DDR3L SDRAM (PC3-12800) installed in pairs (two 4 GB modules), a 1 TB (7200 RPM) hard drive, and a NVIDIA GeForce GTX 660M graphics processor with 512 MB of dedicated GDDR5 memory. It also has a built-in “FaceTime HD” webcam and stereo speakers, but lacks an optical drive. This model has a 27″ 2560×1440 LED-backlit 16:9 widescreen IPS display with the “cover glass fully laminated to the LCD and anti-intelligent coating.” The rear of the case is aluminum and is thicker in the center and tapers to a razor thin 5 mm at the edges.