https://www.macrumors.com/2008/02/06/macbook-air-ssd-vs-hdd/
MacBook Air: 1.8GHz SSD vs 1.6GHz HDD [Updated] - MacRumors
ArsTechnica compares the Solid State Drive (SSD) and Hard Disk Drive (HDD) versions of the MacBook Air to see if the SSD upgrade is worth the additional cost....
macbook air 1ssdvs6ghzhdd