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Apple Rolls Out Upgrade For iMac

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Customers look at a display of iMac computers at an Apple store in San Francisco (Justin Sullivan/Getty Images)

Customers look at a display of iMac computers at an Apple store in San Francisco (Justin Sullivan/Getty Images)

CUPERTINO (CBS/AP) – Apple is upgrading its iMac line of desktop computers with faster processors, higher-resolution cameras and a new type of data port.

The new iMacs all have Intel quad-core processors, which were available as an upgrade to the standard dual-core processors of the previous generation. Apple Inc. says the new models are up to 70 percent faster.

The new 21.5-inch iMac has a single Thunderbolt port, which can carry data at speeds 20 times higher than most current USB ports. It can also connect to additional monitors. The 27-inch iMac has two Thunderbolt ports.

Apple introduced Thunderbolt on MacBook Pro laptops in February.

The port was developed by Intel Corp.

The 21-inch iMac starts at $1,199, the larger model at $1,699.

Apple last revamped its iMacs in October 2009.

(Copyright 2011 by CBSSan Francisco. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. Wire services may have contributed to this report.)

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