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Corsair VSA4GSDSKIT667C4 Mac Memory 4GB 2 X 2GB PC2-5300 667MHz 200-Pin SODIMM Memory for Apple Laptops

3.0 out of 5 stars 38 customer reviews
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  • 4GB kit of 2x2GB modules
  • Mac Memory Low Latency Solution - Increase your Mac memory performance by as much as 20%
  • DDR2 - 667MHz
  • non-ECC - 200pin SODIMM
  • Unbuffered, CL4
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Technical Details

  • Mac Compatible

Product Information

Product Dimensions 10.6 x 8 x 2.5 inches
Item Weight 1.6 ounces
Shipping Weight 1.6 ounces
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
ASIN B00160YDSS
Item model number VSA4GSDSKIT667C4
Customer Reviews
3.0 out of 5 stars 38 customer reviews

3.0 out of 5 stars
Best Sellers Rank #8,693 in Electronics > Computers & Accessories > Computer Components > Memory
Date first available at Amazon.com September 14, 2004

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Customer Reviews

Top Customer Reviews

5.0 out of 5 starsReliable and fully compatible with MACbook pro 2.5
By Tigran T. Dayans on May 17, 2008
I recommend this Corsair memory product to all, installed in my new Macbook pro 2.5 (leopard and Vmware Fusion beta 2.0 "windows xp and vista) and its been 2 weeks and no problems.
My friend purchased his memory from another manufacturer and he was having
intermittent problems with his new Mac with application crashing.
He followed my advice and purchased the Corsair memory and his Macbook is now working with no problems.
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5.0 out of 5 starsExactly what I Paid for
By Chris Webster on November 28, 2012
Verified Purchase
This was purchased to speed up my Apple Mactop (Laptop). I had only 2 GB in the system and wanted to beef it up in the limited ways available for said brand of machines, and this was one. This was well reviewed RAM, so I purchased it.

For the time I owned the laptop, this RAM did exactly as expected, with no errors or faults. It was solid and fast at the time.
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5.0 out of 5 starsGreat memory for mac mini 2008
By teepee on September 12, 2009
Everything is working fine in my mac mini (version 2008). I installed the memory myself.
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5.0 out of 5 starsGreat Product
By Wreck It... on May 9, 2008
I was looking for memory for my Macbook Pro that was both high quality and reliable. These chips have been nothing but that so far. I received them, had them installed in about 5 minutes, no problem installing them, and then booted up. There is no real difference in most of the categories, however when working with large graphics files there is a huge difference. I would highly recommend this product for anyone looking for 4 gigs of memory for their Macbook, Macbook Pro, or iMac.
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5.0 out of 5 starsExcellent
By Alan A. Gonzalez on August 2, 2008
Wow, I'm amazed in the difference in my white MacBook. I upgraded it from 1Gb and now it's flying. Easy installation and believe me it does really a great difference if you are upgrading from 1 or 2 gig. But if you are upgrading from a non-low-latency I think there's no need nor improvement.
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5.0 out of 5 starsGreat boost to Macbook Pro
By Chinmay Pr Mishra on May 15, 2008
I had to upgrade my RAM from 2GB to 4GB as I was running Win XP on a virtual machine using Parallels and felt that upgrading the RAM will make my Mac OS and Windows programs run more fluidly and it did so. Great product, works without any problem.
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1.0 out of 5 starsHad to return...
By D. Simko on February 14, 2009
I rated this one star for the fact that it did not work in my new MacBook and that Corsair's performance claims are overblown.

I bought this for a 1 day old White Macbook (late Jan '09 model) to go from 2GB to 4 GB and I immediately had problems on start-up. Also, it caused weird video artifacts and I could only guess that this is due to the fact that the nVidia video card uses motherboard ram for video ram so the corsair ram problems also showed up in video?? I double checked for proper chip insertion and it was fine.

I reinstalled the OEM ram and all problems went away. Reading other Mac boards, others have had issues with this set. However, this product has been out a while and I see here that previously 11 of 12 had good success - so who knows. Regardless, I will try another brand.

By the way, Corsair's product web site claims that "Testing has demonstrated that as much as a 28% overall system performance improvement is achieved with the new Corsair low latency memory modules versus standard Mac upgrade memory". I found that BareFeats (a popular Mac testing site) ran multiple benchmarks that showed that Corsair's CAS 4 "optimized" ram resulted in less than a 1% real world performance improvement over "standard" CAS 5 ram. If you buy this stuff, do so because of its price, but dont expect that you will notice better performance over "standard" PC2-5300 memory. (Obviously, if you are going from 1GB or 2 GB to 4GB you will see nice improvements).

Update 2/28/09: I bought 4 GB of a different brand (OWC) with the same specs and the MacBook works great.
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1.0 out of 5 starsCaused increasingly frequent crashes after one year
By Perry Skeath on November 12, 2011
Verified Purchase
A little more than a year after installing this product, I began to get system crashes (darkened screen with message saying you must restart). It happened most often when watching video at news sites like CNN, or at web pages with animated advertisements, so I thought it was a problem with video based on Adobe Flash. The problem became increasingly frequent over the last few months to the point where it could occur about every 10 minutes no matter what the MacBook was doing.

I'd previously heard that RAM either works or it fails, so I didn't think the problem was the RAM. But before taking the MacBook in for repair ($$$), I did an experiment. I still had the old RAM, so I put it back in and went to a video-intensive news web page. No problem for nearly an hour. I've been using the computer for many hours now -- no crashes. Huh! Somehow this Corsair RAM has what may be an unusual and deceiving failure mode.
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Most Recent Customer Reviews

1.0 out of 5 starsCaused iMac to freeze up

I have had good results with Corsair ValueSelect in the past for non-Apple machines. So when I saw that Corsair offered Mac memory, I decided to buy the Mac memory instead of the... Read more

Published on June 28, 2010 by Joseph Lammersfeld
5.0 out of 5 starsCorsair Mac Memory

This was easy to install and has more than doubled the speed of my Macbook! I am more than satisfied with the value I got for my money and would highly recommend this product, even... Read more

Published on June 1, 2010 by S. M. Hayes
5.0 out of 5 starsWorks Great in Macbook Pro

Put it in my Macbook Pro 2.2GHz (Santa Rosa) and it worked without any problems. Got it on sale, so a good buy.

Published on December 23, 2009 by Barrel Scraper
4.0 out of 5 starseasy to replace old RAM

Very easy to replace RAM that came with my Macbook. I have an early 2008 macbook and this was so easy to replace. Read more

Published on November 30, 2009 by kiyote72
5.0 out of 5 starsWorks Great

Worked like a charm. Bought the wrong RAM from PNY. Much happier with the Corsair memory!

Published on November 28, 2009 by J. STANDISH
5.0 out of 5 starsWorks PLUS the rebate arrived!!!

The RAM installed easily. I just followed the steps I found on the internet. And, most importantly, the rebate arrived. Read more

Published on September 12, 2009 by SitcomEditor
2.0 out of 5 starsDidn't work for MacBook MB881LL/A (early 2009 - white polycarbonate)

I bought this to upgrade my newly bought MacBook. But what a disappointment. The memory was well recognized by the MacBook, but it started giving artifacts (horizontal lines on the... Read more

Published on September 11, 2009 by S. Sharma
5.0 out of 5 starsWorks fine for me

This Corsair 2X2 4G memory works just fine for my macbook pro. I bought it to upgrade my 1X1 2G memory came with my mac. Also Corsair has the [... Read more

Published on August 17, 2009 by Jen Yuan Huang
1.0 out of 5 starsCould not get it to work

Tried two sets in my white Intel Macbook 13".
Could not get either set to work. I am dual booting OS X and windows 7, both crashed soon after installing this memory. Read more

Published on August 12, 2009 by Lloyd Rantanen
5.0 out of 5 starsWorks on PC

Works on my Lenovo/IBM Thinkpad T61. Passed memtest86+ 2.11 for more than 12 hours. Runs at 4-4-4-12. Easy package to open. But hard to get the RAM out (minor issue). Read more

Published on August 2, 2009 by Robert.

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