one brief exception) and Mac Pro models have all been priced in the US$1999–2499$ range, while base model Power Macs G4s and earlier were US$1299–1799. The current generation iMac has Intel 5th generation i5 and i7 processors, ranging from quad-core 2.7 GHz i5 to a quad-core 3.4 GHz i7 processor, however it is possible to upgrade the 2010 edition of the iMac quite easily. Supported operating systems Supported Apple operating system releases Includes 21.5" non-Retina models released in the same date (Late 2015 and Mid 2017) Supported Windows versions Timeline of iMac models References External links – official site Apple – Support – Specifications Apple – Support – How to identify your iMac Apple Developer Connection – Comprehensive technical details (Latest developer notes) Macintosh all-in-ones Computer-related introductions in 1998