The 21.5-inch iMac features a brilliant LED-backlit, edge-to-edge glass display (see larger image).
The iMac's display offers a 1920 x 1080-pixel resolution (for native 1080p high-definition viewing), and it uses IPS technology to deliver consistent color across an ultra wide 178 degree viewing angle. This 21.5-inch model (MC309LL/A) offers improved graphics with AMD Radeon HD 6750M discrete graphics featuring 512 MB of GDDR5 memory, a 500 GB hard drive, and 4 GB of installed RAM. Other features include integrated Wireless-N Wi-Fi networking, Bluetooth connectivity, an SD card slot (compatible with SDHC and SDXC cards), one Thunderbolt port, a FireWire 800 port, and a total of four USB 2.0 ports (see full specifications below).
It also comes with the Mac OS X Lion operating system as well as the iLife software suite, which includes the latest versions of iPhoto, iMovie, and GarageBand.
Next-Generation Dual-Core Intel ProcessorThis iMac is powered by a second-generation Intel Core i5 quad-core processor (dubbed "Sandy Bridge"), which provides breakthrough digital media management, content creation, and 3D gaming capabilities. With updated Intel Turbo Boost Technology 2.0, the latest Core i5 increases speed automatically for whatever you're doing, dynamically accelerating performance to match your workload.
Intel's Hyper-Threading Technology enables each core of your processor to work on two tasks at the same time, delivering the performance you need for smart multitasking. And you'll enjoy a rich set of new features for a stunning and seamless visual experience with no additional hardware. The "Sandy Bridge" Core i5 processor also provides faster access to the installed RAM, with an integrated memory controller to connect fast 1333 MHz memory directly to the processor.