ram upgrade?

no

RAM in the MBA is non-upgradeable.

RAM in the MBA is soldered onto the Logic Board and close to impossible to replace

collaboration said:

Planning to upgrade ram on early 2011 MBP15 - from 4 to 8GB

Am I able to use that 4GB ram on the latest model MBA11? It's got 2GB at the moment (it's the lowest spec MBA)

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Because the MBA ram isn't upgradable the cheapest upgrade path is selling your existing AIR and buying a new one with more RAM. Unfortunately 4gb is your only other choice at the moment. Perhaps apple will offer a model with more than 4gb in 2012 but you may have to get a MBP to get 8gb or more. If the rumored thiner MBPs come out this year that may serve you well.

It is possible if you're brave and handy with a soldering iron, otherwise it's best to steer clear.

I seem to remember at some point a link to a video showing a guy who'd successfully demonstrated it being done and working.

Beanoir said:

It is possible if you're brave and handy with a soldering iron, otherwise it's best to steer clear.

I seem to remember at some point a link to a video showing a guy who'd successfully demonstrated it being done and working.

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I'd like to see that video.

oneMadRssn said:

I'd like to see that video.

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Probably not even solderable by hand, isn't the DRAM just the DRAM package itself with a BGA?