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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 207 reviews
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    • $26.99
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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 207 reviews)

    Ratings Distribution

    • 5 Stars

       

      (179)

    • 4 Stars

       

      (18)

    • 3 Stars

       

      (8)

    • 2 Stars

       

      (2)

    • 1 Stars

       

      (0)

    99%

    of respondents would recommend this to a friend.

    Pros

    • Reliable (128)
    • Increases speed (120)
    • Fast (104)
    • Easy to install (67)
    • Large capacity (33)

    Cons

    • No instructions included (9)

    Best Uses

    • Increased performance (140)
    • Multiple desktop applications (76)
    • Multimedia (41)
    • Gaming (8)
      • Reviewer Profile:
      • Casual user (117), Power user (86)
      • Primary use:
      • Personal (170), Business (36)

    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 207 customers

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    5.0

    Works Perfectly!

    By tlj

    from New Mexico

    About Me Power user

    Verified Reviewer

    Pros

    • Increases Speed
    • Large Capacity

    Cons

      Best Uses

      • Increased Performance

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

      I needed to upgrade the memory in my laptop to increase performance. The memory modules worked perfectly!

      • Primary use:
      • Personal
       
      5.0

      Great

      By Joey

      from Berkeley ca

      About Me Casual User

      Verified Reviewer

      Pros

      • Fast
      • Increases Speed

      Cons

        Best Uses

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

          Just what I needed. Good price. Shipped fast. No errors or hassle. Would order again.

          • Primary use:
          • Personal
           
          5.0

          Perfect Match

          By Lior

          from Hollywood, FL

          About Me Casual User

          Pros

          • Fast
          • Increases Speed
          • Reliable Performance

          Cons

            Best Uses

            • Increased Performance

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

            Easy to install

            • Primary use:
            • Personal
             
            4.0

            Iit worked!

            By emarbee

            from Toronto ON Canada

            About Me Casual User

            Verified Reviewer

            Pros

            • Fast
            • Increases Speed

            Cons

            • And It Was Easy
            • Checked A Youtube Video

            Best Uses

            • Increased Performance

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

            Not a techie but I managed.

            • Primary use:
            • Personal
             
            5.0

            Good product. Working perfectly.

            By SRD

            from Marriottsville, MD

            About Me Casual User

            Pros

            • Large Capacity
            • Reliable Performance

            Cons

              Best Uses

              • Increased Performance
              • Multimedia
              • Multiple desktop applications

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

              Works perfectly.

              • Primary use:
              • Personal
               
              5.0

              Dependable hardware delivered expeditiously

              By Bill

              from Honolulu

              About Me Casual User

              Pros

              • Fast

              Cons

                Best Uses

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

                  Doubled the memoru in a Dell Vostro 1500

                  • Primary use:
                  • Personal
                   
                  5.0

                  Excellent for an Old Laptop

                  By dab228

                  from Metuchen, NJ

                  About Me Power user

                  Pros

                  • Increases Speed

                  Cons

                    Best Uses

                    • Increased Performance

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

                    Used to renew a 7-year old Toshiba laptop (Windows Vista) and update to run Windows 8.1. Went in perfectly and the machine runs like new.

                    • Primary use:
                    • Personal
                     
                    5.0

                    Perfect service

                    By von Husum

                    from Pensacola, FL

                    About Me Casual User

                    Pros

                    • Fast
                    • Increases Speed
                    • Reliable Performance
                    • Works perfectly

                    Cons

                      Best Uses

                      • Increased Performance

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

                      Increased RAM from 2 to 4 GB to enable my HP G-60 to run Project Spartan on the Windows 10 Preview edition. What a difference it made!!!!

                      • Primary use:
                      • Personal
                       
                      5.0

                      Works great

                      By Rick

                      from G. F. AR.

                      About Me Casual User

                      Pros

                      • Easy To Install
                      • Fast
                      • Increases Speed
                      • Large Capacity
                      • Reliable Performance

                      Cons

                      • None

                      Best Uses

                      • Increased Performance
                      • Multimedia
                      • Multiple desktop applications

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

                      The price was really affordable and installation was a snap. When I say a snap, I should point out that that's the key to easy installation. Make sure that you press down til you hear a snap to make sure it's fully installed. It looked like it was installed but computer would not boot up until I re-checked and found that I had not pushed down firmly enough to secure it into place properly. Do that and it's literally a snap to install!

                      • Primary use:
                      • Personal
                       
                      5.0

                      Works great!

                      By Mattbnr

                      from Toledo,ia

                      About Me Casual User

                      Pros

                      • Doubled The Speed Of Lapt
                      • Fast
                      • Increases Speed

                      Cons

                        Best Uses

                        • Increased Performance

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

                        Works great. Easy to install. Doubled the performance of my old laptop. Brought it back to life.

                        • Primary use:
                        • Business

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