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Mushkin Enhanced Apple 4 GB Laptop Memory 976559A

5.0 out of 5 stars 13 customer reviews

Price: $54.99 & FREE Shipping
Only 15 left in stock.
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  • 4 GB Dual Kit (2 X 2 GB)
  • DDR-667 (PC2-5300)
  • DDR2 200-PIN SODIMM Apple
  • 1.8V
  • 5-5-5-15
3 new from $48.00 1 used from $49.50

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$54.99 & FREE Shipping Only 15 left in stock. Ships from and sold by Hot Deals 4 Less.


Technical Details

  • Model Number: 976559a
  • Item Package Quantity: 1
  • RAM Memory Technology: DDR2
  • Memory Storage Capacity: 4 GB
  • Memory Speed: 667 MHz
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Product Description

The ultimate memory upgrade for pre-2008 iMacs as well as Macbooks and Macbook Pros made prior to October 2008, this upgrade offers the maximum amount of memory for these machines. With 4GB of PC2-5300 (DDR2-667) memory, this kit is an excellent upgrade

Product Information

Product Dimensions 6.2 x 4.2 x 0.5 inches
Item Weight 3.2 ounces
Shipping Weight 1.6 ounces (View shipping rates and policies)
ASIN B001J6N8E4
Item model number 976559a
Customer Reviews
5.0 out of 5 stars 13 customer reviews

5.0 out of 5 stars
Best Sellers Rank #167,244 in Electronics (See Top 100 in Electronics)
#199,233 in Electronics > Computers & Accessories
Date first available at Amazon.com October 21, 2008

Warranty & Support

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

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Top Customer Reviews

Verified Purchase
Works perfectly in my 20 in iMac 2.4 Ghz. Replaced the old mismatched pair with this and saw a noticeable improvement in performance, especially video. Now using this computer for most of my Internet instead of my old upgraded WinXP.
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Verified Purchase
I have an older iMac that can't address more than 3 GB of RAM, even though you can physically install 2 x 2 GB sticks. However, there's some belief that installing matching pairs (meaning in this case, getting my 3 gigs out of 2 x 2 GB sticks rather than a 1 GB plus a 2 GB) gives you an extra performance boost, so I went ahead and installed these. I haven't done any swapping out with other configurations and running tests to see if it helped or not; RAM is so cheap these days that I'm not worried about "wasting" a gig there.

Besides, I got to take the old RAM out of the iMac and stick it in my MacBook, thereby bumping that machine from 1 GB to 2 GB. So basically, for $45, I got to upgrade two computers. And actually, the MacBook is the one that has benefited the most.

Performance-wise, I haven't had any problems with the Mushkin RAM. Others have written online that it's a reputable brand. It seated without trouble and was recognized immediately. And did I mention the price was right?
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Verified Purchase
Nothing to hard a monkey couldn't do, i ordered these RAM sticks due to the fact that apples Crappy 1GB of RAM wasn't fast enough for me, after a quick 3 Screws off and on, i ended up with 4GB of RAM and i can truly say i can see a diffrence in the macbook performance, no more closing application problems or waiting for applications to closer after quitting 3sec ago. so over all not bad. will keep people informed if any problems accure.
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Verified Purchase
I read quite a few reviews on the Mushkin Enhanced Apple 4 GB Laptop Memory all which were pretty positive. The one thing I was worried about when I was looking at memory was the failure rates of the ram. After receiving it in the mail, I installed it immediately. It was running super fast, as if I just bought my MBP. I was able to run multiple applications (Photoshop CS4, Premiere Pro, etc) and everything was running smoothly. This was a cheaper upgrade than buying it through through Apple itself. Worth every penny!

I only had one setback during this ordeal and was that the RAM that I first received worked fine for a half a day than failed on me. This seems to be a problem with all RAM that you buy, so I didn't assume that it was specifically a Mushkin problem. Amazon did an amazing job of sending me a return label and gave me more than enough time to send back the part. Even better, they sent me the replacement ram in 1 day. So if I had to rate Amazons return policy I would definitely give it 10 stars!

All together I would have to say I am a satisfied customer.
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Verified Purchase
My 2007 iMac was beginning to really show the signs of it's age after almost 6 years of daily use. After doing a bit of research I decided to upgrade my memory form the factory standard 1Gb to this 4Gb and I couldn't be happier. My iMac is running like new again thanks to this fairly affordable upgrade. took all of 5 minutes to install and I had no major issues... would definitely recommend.
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By indyb6 on January 29, 2012
Verified Purchase
This replaced the stock memory from a 2008 Mac Book Pro (non-unibody). It works and has given the system a good boost (along with a faster Hard Drive). Not very expensive. Has not failed in the past 6 months of usage.

Good Deal in my book.
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Verified Purchase
This ram works great. I used it to upgrade my macbook 4,1 from 1gb to 4 gb. Everything loads much faster especially when multiple applications are opened. My laptop used to slow down with only chrome and itunes open but now I can open microsoft word, excel, powerpoint, chrome, itunes, safari, the mac app store, and have some other smaller applications open while running snow leopard and still have over one gig left. Even scrolling has never been as smooth.
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