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Open Box Apple 27-inch iMac #MC813LL/A 2.7GHz Quad-Core Intel Core i5, 4GB 1333MHz DDR3 SDRAM - 2x2GB, 1TB Serial ATA Drive, 8x Dual Layer Super Drive, ATI Radeon HD 6770M with 512MB GDDR5 SDRAM, Apple Magic Mouse, Apple Wireless Keyboard, LED-backlit iMac with 27-inch 2560x1440 glossy widescreen display

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Open Box Apple 27-inch iMac #MC813LL/A 2.7GHz Quad-Core Intel Core i5, 4GB 1333MHz DDR3 SDRAM - 2x2GB, 1TB Serial ATA Drive, 8x Dual Layer Super Drive, ATI Radeon HD 6770M with 512MB GDDR5 SDRAM, Apple Magic Mouse, Apple Wireless Keyboard, LED-backlit iMac with 27-inch 2560x1440 glossy widescreen display
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Quad-Core in every model

Introduced on May 3, 2011, the iMacs now sport a quad-core processer in every model, enhanced graphics and now including Thunderbolt.

New Intel Core i5 and i7 processors.

Up to 1.7x faster at the core.

New quad-core Intel Core i5 processors are standard on the new iMac. Choose a 21.5-inch iMac with a 2.5GHz or 2.7GHz quad-core Intel Core i5. Or expand your view with a 27-inch iMac featuring a 2.7GHz or 3.1GHz quad-core Intel Core i5. You can even configure iMac with the fastest quad-core processor available... the Intel Core i7. All models use Intel's recently refined chipsets. That means the new iMac performs nearly twice as fast as the previous generation, adding a new dimension of speed to everything you do. And since Mac OS X is designed to take advantage of each core, it captures every last bit of performance from the processor.

Turbo Boost 2.0.

Say you're using a processor-intensive application like Aperture 3 or Final Cut Pro that benefits from extra power. Turbo Boost 2.0 automatically increases the speed of the active cores... up to 3.8GHz. And by shifting core frequency in small increments, Turbo Boost allows the processor to manage performance without sacrificing efficiency. All this takes place behind the scenes, so your work (or play) goes smoother and faster.

Faster single-chip microarchitecture.

Watching a movie, updating your blog, editing photos. Tasks like these require data to travel from place to place. The latest Intel Core architecture puts the processor, cache, memory controller, and graphics engine on a single chip. Since data doesn't have as far to travel, you get faster performance and greater efficiency.

Integrated memory controller.

With faster access to memory, each core gets right to work on your data, rather than waiting for it to arrive. That's why Intel Core architecture uses an integrated memory controller to connect fast 1333MHz memory directly to the processor. Together with up to 8MB of shared L3 cache, that helps your applications run at peak performance.

Advanced AMD Radeon HD graphics.

When you need performance for things like playing 3D games, editing HD video, or running design software, the discrete AMD Radeon HD graphics in iMac go to work. You see more frames per second and experience better responsiveness. With the AMD Radeon HD 6970M, the top-of-the-line 27-inch iMac offers the best graphics of any all-in-one. But no matter which iMac you choose, you're guaranteed superior graphics performance. With up to 2GB of dedicated GDDR5 video memory, these processors provide up to 3x faster performance than the previous generation.

Thunderbolt.

Data transfer is now lightning fast.

Thunderbolt technology has arrived... and Apple computers are the first to have it. With one tiny port, you get lightning-fast transfer speeds and huge expansion capabilities. Two 10-Gbps data channels per port mean you can transfer data up to 12 times faster than with FireWire 800. And don't worry about a single drive or peripheral tying up the Thunderbolt port: You can daisy-chain as many as six devices plus a display. The 27-inch iMac includes a second Thunderbolt port for even more expansion possibilities. Connect up to six more devices or a display or two.

Thunderbolt is a revolutionary I/O technology that supports high-resolution displays and high-performance data devices through a single, compact port. It sets new standards for speed, flexibility, and simplicity. And it's on the new MacBook Pro and the new iMac.

Powerful technology from a powerful collaboration.

Thunderbolt began at Intel Labs with a simple concept: create an incredibly fast input/output technology that just about anything can plug into. After close technical collaboration between Intel and Apple, Thunderbolt emerged from the lab to make its appearance in the new MacBook Pro and the new iMac.

Intel co-invented USB and PCI Express, which have become widely adopted technologies for data transfer. Apple invented FireWire and was instrumental in popularizing USB. Their collective experience has made Thunderbolt the most powerful, most flexible I/O technology ever in a personal computer.

One small port. One giant leap in possibilities.

Both MacBook Pro and iMac now give you access to a world of high-speed peripherals and high-resolution displays with one compact port. That's because Thunderbolt is based on two fundamental technologies: PCI Express and DisplayPort.

PCI Express is the technology that links all the high-performance components in a Mac. And it's built into Thunderbolt. Which means you can connect external devices like RAID arrays and video capture solutions directly to MacBook Pro or iMac... and get PCI Express performance. That's a first for any computer. Thunderbolt also provides 10 watts of power to peripherals, so you can tackle workstation-class projects on the go with MacBook Pro or from your home office with iMac. With PCI Express technology, you can use existing USB and FireWire peripherals... even connect to Gigabit Ethernet and Fibre Channel networks... using simple adapters.

And because Thunderbolt is based on DisplayPort technology, the video standard for high-resolution displays, any Mini DisplayPort display plugs right into the Thunderbolt port. To connect a DisplayPort, DVI, HDMI, or VGA display, just use an existing adapter.

Performance and expansion made ultrafast and ultrasmart.

Thunderbolt I/O technology gives you two channels on the same connector with 10 Gbps of throughput in both directions. That makes Thunderbolt ultrafast and ultraflexible. You can move data to and from peripherals up to 20 times faster than with USB 2.0 and up to 12 times faster than with FireWire 800. You also have more than enough bandwidth to daisy-chain multiple high-speed devices without using a hub or switch. For example, you can connect several high-performance external disks, a video capture device, and even a Mini DisplayPort display to a single Thunderbolt chain while maintaining maximum throughput.

High performance on display.

Thunderbolt I/O technology provides native support for Mini DisplayPort displays. It also supports DisplayPort, DVI, HDMI, and VGA displays through the use of existing adapters. So you can connect your Apple LED Cinema Display or other existing display, along with multiple high-speed devices, all from a single port.

No project is too massive.

Now you can create a professional video setup for your MacBook Pro or iMac, just as you would for your Mac Pro. If you're a video editor, imagine connecting high-performance storage, a high-resolution display, and high-bit-rate video capture devices to handle all the post-production for a feature film... right on your MacBook Pro or iMac. Thunderbolt I/O technology allows you to daisy-chain up to six new peripherals... such as the Promise Pegasus RAID or LaCie Little Big Disk... plus an Apple LED Cinema Display.

And that's just the beginning. With Thunderbolt technology, peripheral manufacturers finally have what they need to take high-performance devices from workstations and top-of-the-line desktops to just about any computer.

Note: Thunderbolt-equipped iMacs can be used as an external display via their Thunderbolt ports, but you'll need another Thunderbolt-equipped Mac to do so.

 

In The Box
  • iMac
  • Apple Keyboard
  • Apple Magic Mouse
  • Power cord
  • Printed and electronic documentation

Included Software

    Every Mac comes with the world's most advanced operating system, as well as iPhoto, iMovie, and GarageBand, so you can do more with your photos, movies, and music. If your Mac doesn't ship with OS X Lion installed, you can get your copy free with Apple's Up-to-Date program.

    • iLife

    Includes iPhoto, iMovie, GarageBand, and iWeb.

     

    Electrical and Operating Requirements

    • Line voltage: 100-240V AC
    • Frequency: 50Hz to 60Hz, single phase
    • Maximum continuous power: 205W (21.5-inch models); 310W (27-inch models)
    • Operating temperature: 50 deg to 95 deg F (10 deg to 35 deg C)
    • Storage temperature: -4 deg to 116 deg F (-20 deg to 47 deg C)
    • Relative humidity: 5 pct. to 95 pct. noncondensing
    • Maximum altitude: 10,000 feet
    • Typical acoustical performance
    • Sound pressure level (operator position): 18 dBA at idle

     

    Size and Weight

    21.5-inch model

    Height: 17.75 inches (45.1 cm)

    Width: 20.8 inches (52.8 cm)

    Depth: 7.42 inches (18.85 cm)

    Weight: 20.5 pounds (9.3 kg)

    27-inch model

    Height: 20.4 inches (51.7 cm)

    Width: 25.6 inches (65.0 cm)

    Depth: 8.15 inches (20.7 cm)

    Weight: 30.5 pounds (13.8 kg)

     

    Connections and Expansion

    • SuperDrive, SDXC card slot, audio in, audio out, USB 2.0, FireWire 800, Thunderbolt, Gigabit Ethernet.
    • One Thunderbolt port on 21.5-inch iMac
    • Two Thunderbolt ports on 27-inch iMac
    • Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately)
    • One FireWire 800 port; 7 watts
    • Four 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

     

    Audio

    • Built-in stereo speakers, built-in microphone, and headphone minijack.
    • 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

     

    Video Support and Camera

    Built-in 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

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