Over the weekend, Apple began offering the Fusion Drive as an option on the entry-level 21.5-inch iMac. The Fusion Drive is a hybrid traditional HHD/SSD combo, which beings the faster write speeds of SSDs while offering the larger storage capacity of HHDs.
Previously the Fusion Drive was only available as a BTO (built to order) option on the high-end Mac mini, high-end 21.5-inch iMac, and the 27-inch iMac.
As with other Macs, adding a Fusion drive to the entry-level 21.5-inch iMac will set you back US$250.Fusion Dri
