The iMac "Core i5" 3.1 27-Inch Aluminum (Mid-2011) is powered by a Quad Core 3.1 GHz Intel "Core i5" I5-2400 (Sandy Bridge) processor with a dedicated 256k level 2 cache for each core and a 6 MB shared level 3 cache. In lieu of a system bus, it has a "Direct Media Interface" (DMI) that "connects between the processor and chipset" at 5 GT/s.
It also has a built-in "FaceTime HD" video camera and built-in stereo speakers underneath the 27" glossy 16:9 LED-backlit TFT Active Matrix LCD (2560x1440 native) display "with IPS technology".
Key Features:
- Aluminum design
- Intel Core i5-2400 3.1GHz quad-core processor
- 3.4GHz Max Turbo Frequency, 6MB Smart Cache
- 4 GB (supports up to 32GB)
- 1 TB SSD
- DVD RW SuperDrive
- AMD Radeon HD 6970M with 1 GB of dedicated GDDR5 memory
- Built-in stereo speakers
- Two internal 17-watt high-efficiency amplifiers
- Built-in 10/100/1000BASE-T Gigabit Ethernet
- Built-in Airport Extreme 802.11a/b/g/n Wireless LAN
- Built-in Bluetooth 2.1 + EDR
- Built-in FaceTime HD camera
- SDXC card slot
- Model : MC814LL/A
- Mac OS
- 27-inch glossy LED-Backlit widescreen TFT active matrix LCD display (2560 x 1440) with IPS technology