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

3 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 Description

Corsair's VSA4GSDSKIT667C4 is the highest performance Mac memory solution for the MacBook, MacBook Pro and iMacs. Increase your Mac performance by as much as 20% !!! The Mac Memory SODIMM allows users to maximize memory bandwidth and minimize performance bottlenecks to deliver a superior user experience. Built to Corsair¿s legendary quality and reliability standards, each module is tested to ensure maximum compatibility. Each Mac Memory module is individually tested and certified to be compatible with Apple products. Lifetime Warranty!!!!

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 out of 5 stars 38 customer reviews

3 out of 5 stars
Best Sellers Rank #8,291 in Electronics > Computers & Accessories > Computer Components > Memory
Date first available at Amazon.com September 14, 2004

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

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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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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Everything is working fine in my mac mini (version 2008). I installed the memory myself.
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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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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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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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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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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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