Apple has refreshed its iMac all-in-one desktop line with upgraded CPUs and a few other new features. The key upgrades for the iMac refresh are the new quad-core Sandy Bridge processors and the Thunderbolt I/O port first introduced in the most recent MacBook Pro updates. Offering speeds of up to 10 Gbps, Thunderbolt provides a far faster connection than either USB 3.0 or Firewire. The iMac has also seen an upgrade to its GPUs, which are now three times faster than the previous model.
The iMac comes in two 21.5-inch and two 27-inch models, as detailed below:
iMac 21.5"
Price: Starting at US$1,199
CPU: 2.5 GHz quad-core Intel Core i5 or 2.7 GHz qu
