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Crucial CT51264AA667 4GB 240-pin DIMM DDR2 PC2-5300 Memory Module

4.7 out of 5 stars 782 customer reviews
| 90 answered questions

Price: $53.00 + $4.45 shipping
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4GB
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  • 240-pin DIMMs are used to provide DDR2 SDRAM memory for desktop computers
  • To use DDR2 memory, your system motherboard must have 240-pin DIMM slots and a DDR2-enabled chipset
  • Single Module
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This item: Crucial CT51264AA667 4GB 240-pin DIMM DDR2 PC2-5300 Memory Module
Customer Rating 4 out of 5 stars (782) 4 out of 5 stars (764) 4 out of 5 stars (774) 3 out of 5 stars (28)
Price $53.00 $30.00 $46.50 $24.95
Shipping $4.45 FREE Shipping FREE Shipping FREE Shipping
Sold By ETARATECH Dataram Amazon.com MoreThanElectronics
Capacity 4 GB 4 4 Information not provided
Number of Items 1 1 1 1
Memory Storage Capacity 4 GB 4 GB 4 GB 8 GB
Memory Clock Speed 667 MHz 800 MHz 667 MHz 667 MHz
Ram Memory Technology DDR2 667 DDR2 DDR2 DDR2
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Product Description

Capacity: 4GB

Every day, you rely on your computer to make your life easier. A Crucial DRAM upgrade can help your system run faster, and it's one of the easiest, most affordable ways to improve system performance. Reap the benefits doing everything from everyday system tasks to mission-critical applications. For over 12 years, Crucial has been recognized as a leader in DRAM upgrades. Our products help people achieve greater system performance through improved productivity, reliability, and speed. As part of one of the world’s largest DRAM manufacturers—Micron Technology—our long tenure of engineering and manufacturing expertise allow us to build high-quality, system-specific memory solutions for customers. We back our products by guaranteeing system compatibility, limited lifetime warranties, and outstanding service and support. At Crucial, we're the Memory Experts.

Product Information

Capacity:4GB

Technical Details

Collapse all
Summary : Screen Size, Screen Resolution, Graphics Coprocessor, Graphics Card RAM
RAM 4096 MB DDR2 667
Memory Speed 667 MHz
Brand Name MICRON CONSUMER PRODUCTS GROUP
Item model number CT51264AA667
Item Weight 0.8 ounces
Product Dimensions 5.2 x 0.1 x 1.2 inches
Item Dimensions L x W x H 5.25 x 0.1 x 1.18 inches
Color Green
Computer Memory Type DDR2 SDRAM
Voltage 1.8 volts

Additional Information

ASIN B001RB21JO
Customer Reviews
4.7 out of 5 stars 782 customer reviews

4.7 out of 5 stars
Best Sellers Rank #3,150 in Electronics > Computers & Accessories > Computer Components > Memory
Shipping Weight 1.6 ounces (View shipping rates and policies)
Date First Available September 14, 2004

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 2GB KIT (1GBx2) Verified Purchase
Crucial is a very good company who makes reliable, trustworthy RAM memory. This particular product performed great in my older Gateway workstation (motherboard uses a Pentium 4, 3.2 GHz Hyper Threading CPU). This RAM kit (I say kit because it comes with two identical 1GB sticks of RAM) runs at 533Mhz (667MHz capable) in my motherboard vs the 512MB of 400MHz RAM (2 sticks of 256MB ... also 240 pin DDR2, of course) that was installed. I removed the slower RAM so that the system didn't auto-adjust the speed and end up setting the new RAM in sync with the older, slower RAM (yes, two different speeds = slower speed used for all).. And yes, I have 4 DIMM slots (or 2 Dual Channels, meaning 2 SETS of RAM slots for identical pairs), even though 2 slots total is the standard. I then added an additional 1GB (2 x 512MB 667MHz DDR2 kit) of Kingston (ALSO very reputable) that I found used (in a kit) for a total of 3GB, which is close to the limit. Approximately 3.5GB is the limit in Windows, unless you're using a 64 bit version of the operating system. This says nothing for Linux (and all it's tasty flavors), which is a great operating system, lately... So even if I HAD 4GB memory, my (Windows) operating system would only recognize three and a half. With 3GB RAM, my system is running much smoother...

If all this confuses you, then I recommend going to crucial.com from the computer you intend to upgrade and find the Crucial Memory Advisor(tm) tool. Click on "scan your computer" at the bottom of the window that contains the advisor. And remember this:

1. There are different generations of DDR (or double data rate... the new standard) memory.
Read more ›
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Size: 2GB KIT (1GBx2) Verified Purchase
I ordered this because I was having file corruption issues and during the fix the tech told me my machine was running way too slow - a virtually new Dell running Vista with 1GB RAM. Supposedly Vista only requires 512MB but the tech laughed and said it eats 1GB routinely. So I ordered up the 2GB Crucial chipset. They slid right in, the computer recognized them, and we were off to the races. Much, much better. Web pages fill 3x faster, multitasking programs snap back and forth with authority and (I swear) I lost a couple of extra pounds and some of my hair grew back in. Amazing. It still takes too long to boot Vista, but throwing another 2 gigs at Vista is like hooking up 2 more tugboats to the Titanic. It helps, but not much. Not a total fix, but much recommended.
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Size: 2GB KIT (1GBx2) Verified Purchase
Crucial Memory made our old computer faster than the new one we have. The memory is the same price as the Crucial website. With Amazon it ships for free and arrives faster! I love you Amazon Shipping!!!

HERE'S THE LOW-DOWN:
Go to any search engine. Search for Crucial Memory Scanner. Have the website scan and tell you what memory you need. Write down the exact recommended memory the scan recommends. Buy from Amazon to save on shipping.

Write down the scanner information.
Look for any of these key things- the more, the better:
1. Write down "PIN-any numbers" (often PIN-72, PIN-168, PIN-184)
2. Write down if it is RDRAM
3. Write down if it needs to be installed in matching pairs
5. Write down if it DDR, DDR2, or DDR3?
6. Write down the MHz
7. Write down if it is "PC2-any numbers"
8. Follow any advice from the crucial memory scanner, including how much memory per slot & overall can be installed
9. Buy the memory from the Amazon Warehouse with free shipping if over $25 or Amazon Prime
(other vendors outside the Amazon Warehouse may charge shipping)

TIP: If you buy every month or so from Amazon, go ahead and purchase the Amazon Prime Membership, it will payoff. Also, one day shipping will be reduced to $3.99 including many heavy items such as new furniture.
Homelegance Sundance Love Seat
South Shore Axess Collection 5-Shelf Bookcase, Chocolate

http://www.amazon.com/gp/prime/signup/
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Size: 2GB KIT (1GBx2) Verified Purchase
I just ordered two of these sets, and both came as advertised. Each package contained two memory cards at 1gb each. And together, they work exactly as you would expect 4gb of memory to work.

I felt I had to leave this review so that people aren't put off by the previous reviewer who claims to have ordered this product and received only one card.
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By Ad on October 22, 2014
Size: 2GB Verified Purchase
I ordered (2) 2GB sticks. One stick of memory I received wasn't actually Crucial RAM but was labeled so and the other one looks like it has been used and refurbished (it had old chips with pencil marks on them). My computer wouldn't boot up when both sticks were installed. I received a "Bad_Pool_Header" error message from windows. This will be the last time I buy any computer products from amazon/NEMIX RAM. *Picture below.*
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Size: 1GB Verified Purchase
What can I say? It works and it was cheap. 'Nuff said.

I got this for My Dell Inspiron 531 and it was compatible.
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Size: 1GB Verified Purchase
What's not to like? Crucial RAM is good stuff and you can depend on it. If you're not sure exactly what is the right ram for your computer, check out the crucial ram web site. They make it easy. Keep your receipt, they do offer a lifetime warranty!
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