Apple MacBook Air 13.3' - Core 2 Duo - 4GB - 256GB - Space Gray. MacBook Air (13-inch, Late 2010) Refurbished 90 Day Warranty. National Backorder Early September Delivery Returnable: 30 Day Guarantee i. Product # MC905LL/A MacBook Air; 13.3' TFT LED Backlit Display. Here are detailed steps for upgrade MacBook Air ram process – a quick and inexpensive way to improve your MacBook’s performance. Just 8 steps to let your MacBook Air run faster. Memory Checking Check the memory. It displays 4GB. MacBook Disassembling Remove the Mackbook Lower Case, then detach the MackBook Battery and IO board flex.
Your Mac provides several tools to help you identify it. The simplest is About This Mac, available by choosing About This Mac from the Apple () menu in the upper-left corner of your screen. The other is the System Information app. Learn how to use these tools to identify your Mac.
If you don’t have your Mac or it doesn’t start up, use one of these solutions instead:
- Find the serial number printed on the underside of your Mac, near the regulatory markings. It’s also on the original packaging, next to a barcode label. You can then enter that serial number on the Check Coverage page to find your model.
- The original packaging might also show an Apple part number, such as MQD32xx/A (“xx” is a variable that differs by country or region). You can match the Apple part number to one in the list below to find your model.
Macbook Air 4gb Memory
List of MacBook Air models
MacBook Air models are organized by the year they were introduced, starting with the most recent. Click the model name for detailed technical specifications.
MacBook Air models from 2012 and newer can run the latest version of macOS. For models from before 2012, the latest compatible operating system is noted.
2020
MacBook Air (Retina, 13-inch, 2020)
Colors: Space gray, gold, silver
Model Identifier: MacBookAir9,1
Part Numbers: MVH22xx/A, MVH42xx/A, MVH52xx/A, MWTJ2xx/A, MWTK2xx/A, MWTL2xx/A
Tech Specs: MacBook Air (Retina, 13-inch, 2020)
2019
MacBook Air (Retina, 13-inch, 2019)
Colors: Space gray, gold, silver
Model Identifier: MacBookAir8,2
Part Numbers: MVFH2xx/A, MVFJ2xx/A, MVFK2xx/A, MVFL2xx/A, MVFM2xx/A, MVFN2xx/A, MVH62xx/A, MVH82xx/A
Tech Specs: MacBook Air (Retina, 13-inch, 2019)
2018
MacBook Air (Retina, 13-inch, 2018)
Colors: Space gray, gold, silver
Model Identifier: MacBookAir8,1
Part Numbers: MRE82xx/A, MREA2xx/A, MREE2xx/A, MRE92xx/A, MREC2xx/A, MREF2xx/A, MUQT2xx/A, MUQU2xx/A, MUQV2xx/A
Tech Specs: MacBook Air (Retina, 13-inch, 2018)
2017
MacBook Air (13-inch, 2017)
Model Identifier: MacBookAir7,2
Part Numbers: MQD32xx/A, MQD42xx/A, MQD52xx/A
Tech Specs: MacBook Air (13-inch, 2017)
2015
MacBook Air (13-inch, Early 2015)
Model Identifier: MacBookAir7,2
Part Numbers: MJVE2xx/A, MJVG2xx/A, MMGF2xx/A, MMGG2xx/A
Tech Specs: MacBook Air (13-inch, Early 2015)
MacBook Air (11-inch, Early 2015)
Model Identifier: MacBookAir7,1
Part Numbers: MJVM2xx/A, MJVP2xx/A
Tech Specs: MacBook Air (11-inch, Early 2015)
2014
MacBook Air (13-inch, Early 2014)
Model Identifier: MacBookAir6,2
Part Numbers: MD760xx/B, MD761xx/B
Tech Specs: MacBook Air (13-inch, Early 2014)
MacBook Air (11-inch, Early 2014)
Model Identifier: MacBookAir6,1
Part Numbers: MD711xx/B, MD712xx/B
Tech Specs: MacBook Air (11-inch, Early 2014)
2013
MacBook Air (13-inch, Mid 2013)
Model Identifier: MacBookAir6,2
Part Numbers: MD760xx/A, MD761xx/A
Tech Specs: MacBook Air (13-inch, Mid 2013)
MacBook Air (11-inch, Mid 2013)
Model Identifier: MacBookAir6,1
Part Numbers: MD711xx/A, MD712xx/A
Tech Specs: MacBook Air (11-inch, Mid 2013)
2012
MacBook Air (13-inch, Mid 2012)
Model Identifier: MacBookAir5,2
Part Numbers: MD231xx/A, MD232xx/A
Tech Specs: MacBook Air (13-inch, Mid 2012)
MacBook Air (11-inch, Mid 2012)
Model Identifier: MacBookAir5,1
Part Numbers: MD223xx/A, MD224xx/A
Tech Specs: MacBook Air (11-inch, Mid 2012)
2011
MacBook Air (13-inch, Mid 2011)
Model Identifier: MacBookAir4,2
Part Numbers: MC965xx/A, MC966xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
Tech Specs: MacBook Air (13-inch, Mid 2011)
MacBook Air (11-inch, Mid 2011)
Model Identifier: MacBookAir4,1
Part Numbers: MC968xx/A, MC969xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
Tech Specs: MacBook Air (11-inch, Mid 2011)
2010
MacBook Air (13-inch, Late 2010)
Model Identifier: MacBookAir3,2
Part Numbers: MC503xx/A, MC504xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
Tech Specs: MacBook Air (13-inch, Late 2010)
MacBook Air (11-inch, Late 2010)
Model Identifier: MacBookAir3,1
Part Numbers: MC505xx/A, MC506xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
Tech Specs: MacBook Air (11-inch, Late 2010)
Macbook Air 4gb Vs 8gb
2009
Macbook Pro
MacBook Air (Mid 2009)
Model Identifier: MacBookAir2,1
Part Numbers: MC505xx/A, MC233xx/A, MC234xx/A
Newest compatible operating system: OS X El Capitan 10.11.6
Tech Specs: MacBook Air (Mid 2009)