Thanks to the next-generation Quad-Core Intel Xeon “Nehalem” processors and new system architecture, the Mac Pro now delivers performance thatʼs nearly twice as fast as before.(1) Each processor features an integrated memory controller and 8MB of fully shared L3 cache. With blazing-fast 1066MHz DDR3 ECC SDRAM, high-performance graphics, a redesigned interior for easier expansion, itʼs the most advanced Mac Pro ever. (1)Testing conducted by Apple in February 2009 using preproduction Mac Pro 8-core 2.93GHz units and shipping Mac Pro 8-core 3.2GHz units. SPEC® is a registered trademark of the Standard Performance Evaluation Corporation (SPEC); see www.spec.org for more information. Performance tests are conducted using specific computer systems and reflect the approximate performance of Mac... Less

All quad-core power. One powerful desktop. Quad-core Intel Core i5 and i7 processors across the line make the new iMac nearly 2x faster than the previous generation. It’s our most powerful all-in-one yet. So everything you love to do, from managing photos to watching video, is faster than ever before. All-new AMD graphics. Raising performance.And expectations. The new iMac features a next-generation AMD Radeon HD graphics processor that gives you graphics performance up to 3x faster than before. So HD videos look incredible, and your favorite games feel even more responsive. Thunderbolt. Data transfer at lightning speeds. Thunderbolt technology lets you connect high-performance peripherals like external drives to a single port – with data transfer rates up to 20x faster than USB 2.0 and... Less

Apple 2.7GHz Intel Quad-Core i5 iMac Desktop Computer - Z0M500063/ 2.7GHz Intel Quad-Core i5/ 1TB 7200 RPM SATA Hard Drive/ AMD Radeon HD 6770M Graphics Processor With 512MB Of GDDR5 Memory/ 21.5-inch LED-Backlit Glossy Widescreen Display/ 802.11N Wireless Networking/ Slot-Loading 8x SuperDrive/ 4GB DDR3 Memory/ FaceTime HD Camera/ Mac OS X 10.7 Lion/ Numeric Keyboard/ Same As MC812LLA With Numeric Keyboard/ Aluminum Finish

Apple 2.5GHz Intel Quad-Core i5 iMac Desktop Computer - MC309LLA/ 2.5GHz Intel Quad-Core i5/ 500GB 7200 RPM SATA Hard Drive/ AMD Radeon HD 6750M Graphics Processor With 512MB Of GDDR5 Memory/ 21.5-inch LED-Backlit Glossy Widescreen Display/ 802.11N Wireless Networking/ Slot-Loading 8x SuperDrive/ 4GB DDR3 Memory/ FaceTime HD Camera/ Mac OS X 10.7 Lion/ Wireless Keyboard/ Aluminum Finish

This Apple computer has been upgraded over the base Apple model by Apple in their factory. As a result, it comes with the standard Apple computer warranty. The base Apple computer model this upgraded model was built upon was MC814LL/A.The Apple upgrades specific to this model are:Processor upgraded from Core i7 3.1 Ghz to Core i7 3.4GhzKeyboard upgraded from wireless to numeric keypad

APPLE IMAC 21.5" desktop-2.7GHz Quad-Core Intel Core i5,8gb ddr3,1TB hd, Radeon HD 6750M,FaceTime HD cam,Wi-Fi,Bluetoot h 2.1 + EDR,21.5" (viewable) LED,OS X Lion

Apple Imac 27" All-in-One desktop-2.7GHz Quad-Core Intel Core i5, 16gb ddr3, 1TB hd, AMD Radeon HD 6770M, FaceTime HD cam, WiFi, Bluetooth 2.1 + EDR,27" (viewable) LED,OS X Lion

NEW FACTORY BOX - MC784LL/A - 3 Year Apple Care included....i7 2.93GHz / 4GB RAM / 1TB HDD / 5750 Video Card / Magic Mouse / Wireless Keyboard

Introducing the new iMac. The ultimate all-in-one goes all out. The new iMac features next-generation quad-core processors and the fastest graphics ever in an all-in-one computer. It also brings Thunderbolt I/O technology to the desktop for lightning-fast data transfer. And a new FaceTime HD camera lets you make full-screen HD video calls.* All from a beautiful widescreen LED-backlit display that takes up just a sliver of your desk. It’s everything you want in a desktop. Now more powerful, more advanced, and even more incredible than before. *FaceTime requires a FaceTime-enabled iOS device with a Wi-Fi connection or a FaceTime-enabled Mac with an Internet connection and FaceTime for Mac software (may require separate purchase). Not available in all areas.