Apple announced Mac OS X El Capitan in the recent WWDC. The latest OS X 10.11 will be launched by fall for public. Beta version is already rolled out. If you have Mac, you will be able download and install Mac OS X El Capitan only if the hardware is supported. But don’t worry, almost all the Macs from the past 5-6 years will support the latest OS X. Apple is giving a loose system requirement to inculcate maximum users. However, if you want to truly enjoy El Capitan’s latest features and design, the best way is to use it on a latest Mac. OS X El Capitan system requirements are not much hard. Here is a rough list of all the Mac models which will support OS X 10.11.
OS X El Capitan System Requirements
iMac from 2007 and above.
MacBook (13-inch Aluminum, Late 2008),
Mac Mini (2009 and above)
Mac Pro (early 2008 and above)
Xserve (Early 2009)
MacBook(13-inch, Early 2009 and above)
MacBook Pro (13-inch, Mid-2009 or newer), (15-inch, Mid / Late 2007 or newer), (17-inch, Late 2007 or newer)
MacBook Air (2008 and above)
Your machine must be 64-Bit. You must have some free space in Mac. Check this link on how to check free space in Mac.
If you want to find out the year of manufacturing for your Mac hardware, you can do so by following the steps given below.
Go to Apple menu
Click About this Mac > Overview. You will see model and year here.
Apple further elaborates that all those machines which were running Mac OS X Yosemite, Mavericks will be able to upgrade to Mac OS X El Capitan. Not only this, those machines will get at least two times faster than before, because El Capitan is coming with huge optimizations and fixes.