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Image for 2GB DDR2 PC2-6400 Unbuffered NON-ECC 1.8V 256Meg x 64 from Crucial USA

2GB DDR2 PC2-6400 Unbuffered NON-ECC 1.8V 256Meg x 64

CT25664AC800

  • Brand: Crucial
  • Form Factor: SODIMM
  • Capacity: 2GB
  • Warranty: Limited Lifetime
  • Specs: DDR2 PC2-6400 • CL=6 • Unbuffered • NON-ECC • DDR2-800 • 1.8V • 256Meg x 64 •
  • Series: Crucial
  • view all product details
    5 stars 196 reviews
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    • $27.99
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    you may also be interested in:

    2GB DDR2 PC2-6400 Unbuffered NON-ECC 1.8V 256Meg x 64

    product information

    Brand
    Form Factor
    Capacity
    Warranty
    Specs
    Series
    ECC
    Kit Qty
    Speed
    Tracer
    Voltage
    DIMM Type
    Bullet Features
    Product Specifications
    Brand Crucial
    Form Factor SODIMM
    Capacity 2GB
    Warranty Limited Lifetime
    Specs DDR2 PC2-6400 • CL=6 • Unbuffered • NON-ECC • DDR2-800 • 1.8V • 256Meg x 64 •
    Series Crucial
    ECC NON-ECC
    Kit Qty 1
    Speed 800MHZ
    Tracer False
    Voltage 1.8V
    DIMM Type Unbuffered
    Bullet Features Increases system performance
    More information

    200-pin SODIMM


    DDR 200-pin SODIMM: Approximately 2.625 in. by 1.25 in. (66.7 mm by 31.75 mm)
     DDR2 200-pin SODIMM" width=
    DDR2 200-pin SODIMM: Approximately 2.625 in. by 1.18 in. (66.7 mm by 30 mm)

    A small outline dual inline memory module (SODIMM) consists of a number of memory components (usually black) that are attached to a printed circuit board (usually green). SODIMMs get their name because they are smaller and thinner than regular DIMMs. The gold pins on the bottom of the SODIMM provide a connection between the module and a socket on a larger printed circuit board. The pins on the front and back of a SODIMM are not connected.

    200-pin SODIMMs are used to provide DDR and DDR2 SDRAM memory for notebook computers. 200-pin SODIMMs are available in PC2700 DDR SDRAM, PC3200 DDR SDRAM, DDR2 PC2-6400 SDRAM, DDR2 PC2-5300 SDRAM, DDR2 PC2-4200 SDRAM and DDR2 PC2-3200 SDRAM. To use DDR or DDR2 memory, your system motherboard must have 200-pin SODIMM slots and a DDR- or DDR2-enabled chipset. A DDR or DDR2 SODIMM will not fit into a standard SDRAM SODIMM socket. (Information about which memory technology your system uses is included in the Crucial Memory Advisor™ tool.)

    The number of black components on a 200-pin SODIMM can vary, but it always has 100 pins on the front and 100 pins on the back, for a total of 200. 200-pin SODIMMs are approximately 2.625 inches long and 1.25 inches high, though the heights can vary. Like 144-pin SODIMMs, 200-pin SODIMMs have one small notch within the row of pins; however, the notch on the 200-pin SODIMMs is closer to the left side of the module.

    product reviews

    OID: AF3F7960A5CA7304
    PR file path: /pwr/96v439cu/inline/05/57/AF3F7960A5CA7304-en_US-1-reviews.html

    REVIEW SNAPSHOT®

    by PowerReviews
    Crucial2GB 200-pin SODIMM DDR2 PC2-6400
     
    4.8

    (based on 196 reviews)

    Ratings Distribution

    • 5 Stars

       

      (169)

    • 4 Stars

       

      (17)

    • 3 Stars

       

      (8)

    • 2 Stars

       

      (2)

    • 1 Stars

       

      (0)

    99%

    of respondents would recommend this to a friend.

    Pros

    • Reliable (123)
    • Increases speed (111)
    • Fast (96)
    • Easy to install (66)
    • Large capacity (29)

    Cons

    • No instructions included (9)

    Best Uses

    • Increased performance (131)
    • Multiple desktop applications (73)
    • Multimedia (38)
    • Gaming (7)
      • Reviewer Profile:
      • Casual user (109), Power user (83)
      • Primary use:
      • Personal (160), Business (35)

    Most Liked Positive Review

     

    3GB->4GB Crucial Memory Positive Upgrade

    This memory upgrade was problem free; easy. It took just one or two minutes to complete the installation. The customer service was excellent; [...] I will buy from them again and...Read complete review

    This memory upgrade was problem free; easy. It took just one or two minutes to complete the installation. The customer service was excellent; [...] I will buy from them again and I already recommended them to a relative who will procure 4GB from them soon. The improvement of performance is great just going from 3GB to 4GB. I am considering adding a 4GB memory chip stick; but so far my Zino HD (Dell 400) works fast and fine for my multiple program uses. I use Kubuntu (debian based) and Microsoft Windows 7. I some times run Xubuntu which is really fast with this chip set. The installation involves unscrewing two phillips screws underneath the Zino. The cover comes off with the two chips staggered one over the other. I did not need to remove the top chip to lift up and out the bottom chip (new one.) I surf the web, buy stuff online, use emacs, write and read email; but I don't do any gaming. I watched youtube and hulu or it is hula? Both worked great on my Zino. I have an AMD Athlon 3250e processor, ATI Radeon HD 3200 Video Card, 250 GB Hard Drive. I'm delighted with this chip set.

    VS

    Most Liked Negative Review

     

    Wouldn't work with Toshiba A215-S5837

    Wanted to upgrade my girlfriend's Toshiba A215-S5837 and went with Crucial - I always do and they've never let me down.

    I used the compatibility tool to choose and went...Read complete review

    Wanted to upgrade my girlfriend's Toshiba A215-S5837 and went with Crucial - I always do and they've never let me down.

    I used the compatibility tool to choose and went with two of these. Old memory was 5300 speed, these are 6400 - but they were supposed to be compatible.

    Computer wouldn't boot, no error message - nothing. Put the old memory back in and back to normal. Tried one module at a time, thinking one was possibly bad, no change.

    Emailed support and made a few calls (support staff is excellent!) and tried everything they suggested, including BIOS update - no help.

    Finally they suggested this test - one old module (known to work) in the A slot and a new module in the B slot. This would force the B slot to run at 5300 as long as it was good (odds of two bad sticks shipping is tiny.)

    Jackpot! Booted with no problem and recognized the total 3gb installed when tried with both new modules - indicating the problem is a BIOS / motherboard intolerance for the faster speed.

    So they are now going to exchange these two for two 5300 sticks, and I am sure all will be well.

    P.S. - they were kind enough to extend the time limit on the exchange despite the fact my girlfriend took the laptop on vacation for two weeks because the site said it was compatible and I had contacted them with the issue. Crucial's support and customer service is #1!

    So if you own this machine, be aware the newer faster modules may not work.

    I remain a loyal Crucial customer!

    Reviewed by 196 customers

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    Displaying reviews 1-10

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    5.0

    Never a problem

    By John

    from Delaware

    About Me Casual User

    Verified Reviewer

    Pros

    • Fast
    • Increases Speed
    • Reliable Performance

    Cons

    • None

    Best Uses

    • Increased Performance
    • Multimedia
    • Multiple desktop applications

    Comments about Crucial 2GB 200-pin SODIMM DDR2 PC2-6400:

    I have purchased Crucial memory, and an SSD, with nevera problem. Memory and drive have continued to be reliable and fast.

    • Primary use:
    • Personal
     
    5.0

    incredible?

    By dannydog

    from ca

    About Me Casual User

    Verified Reviewer

    Pros

    • Fast
    • Increases Speed
    • Large Capacity
    • Reliable Performance

    Cons

      Best Uses

      • Increased Performance
      • Multiple desktop applications

      Comments about Crucial 2GB 200-pin SODIMM DDR2 PC2-6400:

      all I can say is, incredible!

      • Primary use:
      • Personal
       
      5.0

      New Up Grade for older Netbook

      By JamesR

      from Bay Area

      About Me Casual User

      Verified Reviewer

      Pros

      • Increases Speed
      • Reliable Performance

      Cons

        Best Uses

        • Increased Performance

        Comments about Crucial 2GB 200-pin SODIMM DDR2 PC2-6400:

        I Have an Older Toshiba Netbook that needed a Memory Upgrade.. This Works PERFECTLY! I ALWAYS buy Crucial Memory because of it's Reliability and Ease of use and Great Price..

        • Primary use:
        • Personal
         
        5.0

        So Far So Great!!!

        By smartgal

        from Suffolk County, New York

        About Me Casual User

        Verified Reviewer

        Pros

        • Fast
        • Increases Speed
        • Large Capacity
        • Reliable Performance

        Cons

          Best Uses

            Comments about Crucial 2GB 200-pin SODIMM DDR2 PC2-6400:

            great doing business with you. Thus far, the computer issue has been fixed. Thank you

            • Primary use:
            • Personal
             
            5.0

            It's a good product

            By Mike

            from Montreal

            About Me Casual User

            Pros

            • Fast
            • Increases Speed

            Cons

              Best Uses

              • Increased Performance

              Comments about Crucial 2GB 200-pin SODIMM DDR2 PC2-6400:

              it's a good product

              • Primary use:
              • Personal
               
              3.0

              Works quite well.

              By sentinel2000

              from zip 39507

              About Me Casual User

              Verified Reviewer

              Pros

              • Increased Speed Some What
              • Increases Speed

              Cons

              • A Lower Price Would Be Ni
              • Lower Price Please

              Best Uses

              • Increased Performance

              Comments about Crucial 2GB 200-pin SODIMM DDR2 PC2-6400:

              Lower price for such old memory would have been nice.

              • Primary use:
              • Personal
               
              5.0

              Good Value - Solved my Problem

              By Tree Farmer

              from Madison, WI

              About Me Casual User

              Pros

              • Increases Speed
              • Reliable Performance

              Cons

              • No Instructions Included

              Best Uses

              • Increased Performance

              Comments about Crucial 2GB 200-pin SODIMM DDR2 PC2-6400:

              Had just 2GB of RAM for my Asus Netbook and it would sometimes just be slow and hang on occasion. Running Win7 32-bit and even though it didn't seem like I was pushing the memory, I was. After upgrading to 4GB (approx 3.3 GB usable due to WIN7 32-bit limitation), it's faster - less churning and doesn't hang. Much more usable.

              Pleased with this "fix".

              • Primary use:
              • Personal
               
              5.0

              Great Memory at a Reasonable Price

              By Rover100

              from Spokane, WA

              About Me Power user

              Verified Reviewer

              Pros

              • Increases Speed

              Cons

                Best Uses

                • Increased Performance

                Comments about Crucial 2GB 200-pin SODIMM DDR2 PC2-6400:

                Upgraded existing older laptop from 3 to 4 GB, would have preferred to upgrade to the 8GB option, but RAM prices were just too high to justify upgrading this older laptop. Laptop performance improved at 25% with the extra GB of RAM, probably helped paging and system processes.

                • Primary use:
                • Personal
                 
                5.0

                Works great

                By JimDCville

                from Collegeville, PA

                About Me Power user

                Verified Reviewer

                Pros

                • Increases Speed
                • Reliable Performance

                Cons

                  Best Uses

                  • Increased Performance

                  Comments about Crucial 2GB 200-pin SODIMM DDR2 PC2-6400:

                  Easy to install. Gave a boost in performance to an aging laptop.

                  • Primary use:
                  • Personal
                   
                  5.0

                  Best Improvement ever!

                  By Yooper Man

                  from McMillan,MI

                  About Me Casual User

                  Verified Reviewer

                  Pros

                  • Fast
                  • Increases Speed
                  • Reliable Performance

                  Cons

                    Best Uses

                    • Increased Performance
                    • Multiple desktop applications

                    Comments about Crucial 2GB 200-pin SODIMM DDR2 PC2-6400:

                    Laptop is used for banking,e-mails,some multi media. Better than expected increase in in speed,preventing lock ups & slow downs using multiple applications at once.Have not found a down side yet. Been in use foe over three months, but I saw the improvement instantly!

                    • Primary use:
                    • Personal

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