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iMac (21.5-inch, Mid 2011)Display - 21.5-inch (viewable) LED-backlit glossy widescreen TFT display with support for millions of colors
- Resolution: 1920 by 1080 pixels
Processor - 2.7GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache
Configurable to 2.8GHz quad-core Intel Core i7, only at the Apple Online Store.
Memory 4GB (two 2GB) of 1333MHz DDR3 memory
Configurable to 16GB, only at the Apple Online Store. Storage1 - 2.7 GHz
1TB (7200 rpm) hard drive
Configurable to 2TB hard drive or 256GB solid-state second drive, only at the Apple Online Store.
Graphics - 2.7 GHz
AMD Radeon HD 6770M graphics processor with 512MB of GDDR5 memory
Video Support and Camera - FaceTime HD camera
- Simultaneously supports full native resolution on the built-in display and up to a 30-inch display (2560 by 1600 pixels) on an external display
- Support for extended desktop and video mirroring modes
Audio - Built-in stereo speakers
- Two internal 17-watt high-efficiency amplifiers
- Headphone/optical digital audio output (minijack)
- Audio line in/optical digital audio input (minijack)
- Built-in microphone
- Support for Apple iPhone headset with microphone
实物图片
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