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  • Corsair 4GB (1x4GB) DDR3 1333 MHz (PC3 10666) Laptop Memory (CMSO4GX3M1A1333C9)
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Corsair 4GB (1x4GB) DDR3 1333 MHz (PC3 10666) Laptop Memory (CMSO4GX3M1A1333C9)

by Corsair
| 110 answered questions

List Price: $60.99
Price: $44.36 & FREE Shipping. Details
You Save: $16.63 (27%)
Only 20 left in stock (more on the way).
Ships from and sold by Amazon.com. Gift-wrap available.
4 GB
  • Ultra Stable Laptop Memory from Corsair - the Leader in Performance Memory Solutions
  • Designed for current generation notebooks, mini-PCs and netbooks
  • Microsoft® Windows® Vista? and Windows® 7 operating systems
  • Single 4GB DDR3 Laptop Memory Module - 1333MHz Unbuffered CL 9 SODIMM Memory 9-9-9-24 1.5V
  • Lifetime Warranty
  • Microsoft Windows Vista and Windows 7 operating systems
51 new from $42.00

Frequently Bought Together

Corsair 4GB (1x4GB) DDR3 1333 MHz (PC3 10666) Laptop Memory (CMSO4GX3M1A1333C9) + Kingston Digital 60GB SSDNow V300 SATA 3 2.5 (7mm height) with Adapter Solid State Drive SV300S37A/60G
Price for both: $99.35

Buy the selected items together


Technical Details

Size: 4 GB
  • Model: CMSO4GX3M1A1333C9
  • Item Package Quantity: 1
  • Hardware Platform: Pc
  • RAM Memory Technology: DDR3 SDRAM
  • Form Factor: Laptop
  See more technical details

Product Details

Size: 4 GB
  • Product Dimensions: 6 x 4.8 x 0.3 inches
  • Shipping Weight: 0.3 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B002YU83YO
  • Item model number: CMSO4GX3M1A1333C9
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (1,564 customer reviews)
  • Amazon Best Sellers Rank:
  • Date first available at Amazon.com: September 14, 2004

Product Description

Size: 4 GB

Corsair's mainstream SODIMM memory solution for DDR3 Laptops. Designed for current generation notebooks, mini-PCs and netbooks, Corsair's new high density SODIMMs allow users to maximize memory bandwidth and minimize performance bottleneck to deliver superior user experience. Corsair SODIMMs are optimized for the Microsoft Windows Vista and Windows 7 client operating systems.

Customer Questions & Answers

Customer Reviews

What I can say is "It just works !".
TinkerTanner
I bought this memory for a Asus K53SV I ran Memtest every tests resulted OK. as soon as I started to use my pc for intensive task I would get a System crash.
Carlos Guerra
It works with my 13" macbook pro 2011 early model.
wjhsong

Most Helpful Customer Reviews

156 of 164 people found the following review helpful By J. H. L on March 25, 2011
Size Name: 8 GB Verified Purchase
This memory is great for my new MBP 2011, i5 13", also when Mac OS detects 8 Gb of memory, the graphic memory increases up to 512 Mb (from the original 384 Mb w/ the integrated intel hd3000 chip)
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124 of 134 people found the following review helpful By Michael Stanford on March 16, 2011
Size Name: 8 GB Verified Purchase
Plugged it in, put the back cover back on, fired it up holding down the D key to run the memory test. Memory test ran OK. Restarted.

"About This Mac" shows "Memory 8 GB 1333 MHz DDR3."

Note: After removing 10 screws, the back cover remains retained by two plastic clips near the center. Pry it up gently and it pops off.
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81 of 86 people found the following review helpful By Preston Reichert on July 28, 2011
Size Name: 8 GB Verified Purchase
I just purchased a new 2011 base model Mac Mini with 2GB of memory. Instead of paying Apple the $300 they want to upgrade the memory to 8GB I searched Amazon and found this option for one fifth the price. I'm not a "tech guy" but removing the two 1GB cards that came installed in the Mac and replacing them with these two 4GB was easily completed in less than five minutes. Everything is running smoothly with no problems to date.
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22 of 22 people found the following review helpful By JFLY on May 17, 2011
Size Name: 8 GB Verified Purchase
I had no issues at all using it with my new iMac 27" (mid 2011). I have a lot of graphic programs open and it runs very smooth. I use photoshop CS5, flash CS5 and aperture mostly. Installation took less that 5 minutes.
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34 of 38 people found the following review helpful By Larry on March 12, 2012
Size Name: 16 GB Verified Purchase
Installation was a cinch into my early 2011 MBP and all 16GB was detected correctly and working. After reading so many bad reviews of other vendor 2x8Gb packages I ran several memory tests to make sure mine were working fine (test run on each SoDIMM individually and as a pair). No errors reported in Tech Tool Pro, rember, and single user mode memtest. Each test ran three times on each configuration without error.

I'd say that they are working pretty well. ;)

Next up is a Win 7 laptop but I expect that it will also work out perfectly.
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16 of 16 people found the following review helpful By J. Paree on May 3, 2012
Size Name: 16 GB Verified Purchase
Used these to upgrade my 2011 27" iMac to 32 GB of RAM since I use virtual machines quite a bit and also do a lot of video conversion (Apple states that the 2011 models can support up to 16GB, but they actually support twice that amount). They work flawlessly and I am very happy with the purchase.
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61 of 72 people found the following review helpful By Paul C. Huang on March 23, 2012
Size Name: 16 GB
I have installed thousands (I am not joking, 2000+) of Corsair memory modules and I have run into only two incidents that needed replacement. I have installed dozens of these 8GB modules in recent months as prices started to drop to a level where there is no reason to consider 4GB x 2 or 4GB x 4 anymore.

When I needed replacement (non so far on the 8GB modules) on the other Corsair memory modules, the service was prompt either over the phone or over web.

One caution: If you have iMacs and you are installing the RAM, be sure to use a solid object (not your fingers) to push the ram module evenly and firmly into the memory slot. This applies to ALL brands. A slip of finger or finger nail could easily dislodge soldered components that are near the edge of the printed-circult board.
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59 of 70 people found the following review helpful By John S. Dean TOP 500 REVIEWER on March 1, 2011
Size Name: 4 GB Verified Purchase
Just replaced my 2 month old 15" macbook pro with the newest i7 model they released a few days ago. So my old 8GB wasn't compatible anymore. Only about 5 months ago that older style memory cost me not quite three times what this newer RAM cost.
Got it installed without any issues in the laptop, booted up fine, works fine.
Best price I found, can't believe how cheaply I got this new laptop up to 8GB.

Edit - worked great on my new 2011 Mac Mini as well, now has 8GB.
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