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2-Year PC Peripherals Protection Plan

from Asurion, LLC

  • Delivered by e-mail, register and file claims online or by phone
  • Surge protection starts when your product ships; mechanical and electrical failures are covered after manufacturer warranty expires
  • No deductible, replacement via Amazon gift card reimbursement for valid claims
  • Free return shipping, replacement gift card issued immediately after product is scanned at your local UPS
  • Fully transferable with gifts, cancel anytime, full refund in the first 30 days
+ $0.00 shipping
Used: Like New | Details
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Condition: Used: Like New
Comment: Unused Open Box / All Accessories Included
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2-Year PC Peripherals Protection Plan

from Asurion, LLC
$2.63
  • Delivered by e-mail, register and file claims online or by phone
  • Surge protection starts when your product ships; mechanical and electrical failures are covered after manufacturer warranty expires
  • No deductible, replacement via Amazon gift card reimbursement for valid claims
  • Free return shipping, replacement gift card issued immediately after product is scanned at your local UPS
  • Fully transferable with gifts, cancel anytime, full refund in the first 30 days

Crucial 4GB Kit (2GBx2) DDR2 800MHz (PC2-6400) CL6 Unbuffered UDIMM 240-Pin Desktop Memory CT2KIT25664AA800 / CT2CP25664AA800

by Crucial
4.7 out of 5 stars 699 customer reviews
| 83 answered questions

List Price: $79.99
Price: $46.99 & FREE Shipping. Details
You Save: $33.00 (41%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
4GB KIT (2GBx2)
  • Increases system performance
  • Easy to install
  • Premium quality memory from a trusted brand
  • 100% Tested
  • Identical To: CT2CP25664AA800
50 new from $23.00 1 used from $29.68
$46.99 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Crucial 4GB Kit (2GBx2) DDR2 800MHz (PC2-6400) CL6 Unbuffered UDIMM 240-Pin Desktop Memory CT2KIT25664AA800 / CT2CP25664AA800
  • +
  • SABRENT 2.5 to 3.5 Inches Internal Hard Disk Drive Mounting Kit (BK-HDDH)
  • +
  • Samsung 850 EVO 250GB 2.5-Inch SATA III Internal SSD (MZ-75E250B/AM)
Total price: $141.97
Buy the selected items together


Compare to Similar Items


This item: Crucial 4GB Kit (2GBx2) DDR2 800MHz (PC2-6400) CL6 Unbuffered UDIMM 240-Pin Desktop Memory CT2KIT25664AA800 / CT2CP25664AA800
Customer Rating 4 out of 5 stars (699) 5 out of 5 stars (72) 4 out of 5 stars (13) 4 out of 5 stars (1611)
Price $46.99 $13.49 $32.99 $26.20
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com A-Tech Components Highly Anticipated Electronics Komputerbay
Capacity 4 Information not provided 4 GB Information not provided
Number of Items 1 1 1 2
Memory Storage Capacity 4 GB 2 GB 2 GB 4 GB
Memory Clock Speed 800 MHz 800 MHz 800 MHz 800
Ram Memory Technology DDR2 SDRAM DDR2 DDR2 800 DDR2
Add to Cart Add to Cart Add to Cart Add to Cart

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Product Description

Capacity: 4GB KIT (2GBx2)

CT2KIT25664AA800 is a 4GB kit consisting of (2) 2GB DDR2 Desktop modules that operates at speeds up to 800MHz and has a CL6 latency. It is Unbuffered and is non-ECC. It conforms to the industry standard UDIMM layout of 240 pins and is compatible with computers that take DDR2 UDIMM memory.

Product Information

Capacity:4GB KIT (2GBx2)

Technical Details

Collapse all
Summary : Screen Size, Screen Resolution, Graphics Coprocessor, Graphics Card RAM
RAM 2 GB DDR2 SDRAM
Memory Speed 800 MHz
Brand Name Crucial
Series Crucial
Item model number CT2KIT25664AA800
Hardware Platform PC
Item Weight 1.4 ounces
Product Dimensions 7 x 4 x 0.5 inches
Item Dimensions L x W x H 7 x 4 x 0.5 inches
Computer Memory Type DDR2 SDRAM
Voltage 1.8 volts

Additional Information

ASIN B0011A4UZE
Customer Reviews
4.7 out of 5 stars 699 customer reviews

4.7 out of 5 stars
Best Sellers Rank #110 in Electronics > Computers & Accessories > Computer Components > Memory
Shipping Weight 1.4 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
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.

Customer Reviews

Top Customer Reviews

Size: 4GB KIT (2GBx2) Verified Purchase
I've been using Crucial memory in my notebook and desktop computers for years because Crucial memory is very reliable and remains one of the true "plug 'n play" products on the market. I purchased two 4GB kits to expand my desktop computer to 8GB to give me a little more headway to run Windows Server 2003 and Windows Server 2008 in a virtual machine on my host running Windows Vista x64.

Although Crucial PC2-6400 DDR2 memory is not the absolute fastest memory available, it is significantly cheaper than the "Extreme" varieties and offers plenty of speed for most demanding applications (image editing, movie editing, software development, etc.). Windows Vista x64 gives this memory a rating of 5.7, which is very near the top of the scale in the current rating system.
1 Comment 38 of 39 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Size: 4GB KIT (2GBx2) Verified Purchase
I recently installed the 64 bit version of Windows 7 on my CPU, enabling me to go from 4 gigs of RAM to 8. I researched what memory would work best with my current hardware configuration, and came across Crucial's 4GB memory set. It's solid, easy to install, compatible with everything I have running (which is a sort of Frankenstein configuration), and has sped my computer up considerably. I am quite pleased with this product and feel it's reasonably priced.
2 Comments 18 of 18 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Size: 4GB KIT (2GBx2) Verified Purchase
I bought this ram for my Dell XPS 420. I am running virtual machines for my college courses and the three gigs I had did not cut it. The XPS Book states you can only have up to 4 gigs, but I took a chance based on info from other forums and bought this 8 gig kit. Opened my case, popped out the old, popped in the new, and was done. Booted up my 64-bit Windows 7 and the RAM was detected. Computer has been running non-stop and the memory has performed flawlessly. No complaints at all!
1 Comment 10 of 10 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Size: 4GB KIT (2GBx2) Verified Purchase
This item works perfectly in my HP PC. I bought two sticks previously, and figured I should buy two more for a matching set, and 8-GIGS of RAM....BIG help with my Photoshop Speed!!

Not a single regret!!!
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Size: 4GB KIT (2GBx2) Verified Purchase
If your PC is slowing down with larger files or more complex applications/programs/large photo files/etc., then the quickest and most cost-effective way to improve performance is to increase the amount of internal RAM in your computer. Don't just add 1GB, go for a LARGE increase and you will be very satisfied. Check your computer's specs for how much RAM you can use. Depending upon the operating system or motherboard, you might be limited to only 4GB while others might be able to use 8GB. So Google to find your computer's memory capacity.

Be aware that most pc's are shipped with smaller capacity memory cards installed in ALL of the slots (usually 4) so don't count on using what you have installed ('cause you're going to have to discard some of that to make room for the newer, larger capacity memory boards you are adding); rather, consider using all four slots with new memory. That is, say you have 1GB of RAM now. It is probably made up of four (4) 256MB cards that take up all of the slots. So, if you want to go to 4GB you cannot order 3GB of additional memory because there will be no slots to use. Instead, order four (4) 1GB memory cards, remove the four cards that are in there now and install the new cards in the four slots.

Installation is a breeze - you can do it. Remember to unplug the PC power cord from the back of your computer or from the wall socket BEFORE you start. Then, before you open the computer case, touch a metal part of the case so that there is no buildup of static electricity on you. If you have some static it can harm the memory chips when you touch them.

Everything was flawless; selection, ordering, shipping, delivery.
Comment 11 of 13 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Size: 2GB KIT (1GBx2) Verified Purchase
I was looking to upgrade (speed-up) our Dell Dimension E520 PC running XP at work and the manual indicated the necessity for installing new memory modules in pairs. I bought this 2 x 1GB memory kit hoping it would fit the bill. I wasn't really concerned about cost, but this kit was EXTREMELY cost-effective.

I installed the memory this afternoon, and it worked without a hitch.

Great product Crucial!

Wonderful, speedy service from Amazon, too (as usual).
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Size: 1GB Verified Purchase
My 7-year-old XP was continually running slow and freezing up in spite of considerable maintenance with anti-virus, malware, optimization and registry fix software. My memory meter was always running low. I was concerned about spending money not knowing if the RAM would fix my problems but it did. Now it boots up quickly and never gives me any problems like I had before. VERY HAPPPY.
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Size: 1GB Verified Purchase
Our secretary has a Dell Dimension 4700 Plain Jane PC with 512Mb of RAM running Windows XP. She complained that it was slowing down so to keep her happy I pulled out the specs to see what was required for an upgrade. The Dell part number for a 1 GB memory module was A0735470 (aka SNPXG700C/1G). Dell's listed price was $42.99 plus S&H. An online search identified the Crucial Technology part as being equivalent at $25.83 with free S&H from Amazon. My first try at installation squeezed underneath her desk with bad lighting didn't take so I tried repositioning the card again and I finally got it snapped in correctly. After a reboot she was back in business with 1.5 GB of RAM. Total time may have been 10 or 15 minutes.
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Crucial 4GB Kit (2GBx2) DDR2 800MHz (PC2-6400) CL6 Unbuffered UDIMM 240-Pin Desktop Memory CT2KIT25664AA800 / CT2CP25664AA800
This item: Crucial 4GB Kit (2GBx2) DDR2 800MHz (PC2-6400) CL6 Unbuffered UDIMM 240-Pin Desktop Memory CT2KIT25664AA800 / CT2CP25664AA800
Price: $46.99
Ships from and sold by Amazon.com
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