iMac (27inch, Mid 2011) - Technical Specifications Display * 27inch (viewable) LED-backlit glossy widescreen TFT display with support for millions of colors * Resolution: 2560 by 1440 pixels Processor * 2.7GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache * 3.1GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache * Configurable to 3.4GHz quad-core Intel Core i7, only at the Apple Online Store. Memory 4GB (2 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. * 3.1 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 * 3.1 GHz
AMD Radeon HD 6970M graphics processor with 1GB of GDDR5 memory * Configurable to AMD Radeon HD 6970M with 2GB GDDR5, only at the Apple Online Store. Video Support and Camera * FaceTime HD camera * Simultaneously supports full native resolution on the built-in display and up to a 30inch display (2560 by 1600 pixels) on an external display * Support for extended desktop and video mirroring modes Audio * Built-in stereo speakers * 2 internal 17watt high-efficiency amplifiers * Headph1/optical digital audio output (minijack) * Audio line in/optical digital audio input (minijack) * Built-in microph1 * Support for Apple iPh1 headset with microph1 Connections and Expansion * 2 Thunderbolt ports * Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately) * 1 FireWire 800 port; 7 watts * 4 USB 2.0 ports * SDXC card slot * Slot-loading 8x SuperDrive with 4x double-layer burning (DVD±R DL/DVD±RW/CD-RW) * Audio in/out * 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector) * IR receiver Input * Apple Wireless Keyboard
Full-size keyboard with 78 (U.S.) or 79 (ISO)...