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Image for Crucial 4GB DDR3L-1866 UDIMM from Crucial USA

Crucial 4GB DDR3L-1866 UDIMM

CT51264BD186DJ

  • Brand: Crucial
  • Form Factor: UDIMM
  • Total Capacity: 4GB
  • Specs: DDR3 PC3-14900 • CL=13 • Unbuffered • NON-ECC • DDR3-1866 • 1.35V • 512Meg x 64 •
  • Series: Crucial
  • view all product details
    5 stars 18 reviews
    out of stock
    • $42.99
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    Crucial 4GB DDR3L-1866 UDIMM

    product information

    Amount of available storage on the module. If there are parenthesis shown – for example (2 x 4GB) – it indicates a kit of 2 or more identical modules is used to reach the Total Capacity.
    Number of modules. Memory can be installed as single modules or in kits comprised of 2 or more identical modules. Each module requires its own slot for installation.
    Product Specifications
    Brand Crucial
    Form Factor UDIMM
    Total Capacity 4GB
    Specs DDR3 PC3-14900 • CL=13 • Unbuffered • NON-ECC • DDR3-1866 • 1.35V • 512Meg x 64 •
    Series Crucial
    ECC NON-ECC
    Module Qty 1
    Speed 1866 MT/S
    Voltage 1.35V
    DIMM Type Unbuffered
    More information

    DDR3 240-pin DIMM

    Crucial 240-pin DIMMs are used in DDR3 memory for desktop computers. DDR3 is the latest generation of memory with an improved architecture that allows it to transmit data more quickly.

    A dual inline memory module (DIMM) consists of a number of memory components (usually black) that are attached to a printed circuit board (usually green). The gold pins on the bottom of the DIMM provide a connection between the module and a socket on a larger printed circuit board. The pins on the front and back of a DIMM are not connected to each other.

    Each 240-pin DIMM provides a 64-bit data path (72-bit for ECC or registered or Fully Buffered modules).

    To use DDR3 memory, your system motherboard must have 240-pin DIMM slots and a DDR3-enabled chipset. This is because a DDR3 SDRAM DIMM will not fit into a standard DDR2 DIMM socket or a DDR DIMM socket.

    The number of black components on a 240-pin DIMM can vary, but it always has 120 pins on the front and 120 pins on the back, for a total of 240. 240-pin DIMMs are approximately 5.25 inches long and 1.18 inches high, though the heights can vary. While 240-pin DDR3 DIMMS, 240-pin DDR2 DIMMs, 184-pin DDR DIMMs, and 168-pin DIMMs are approximately the same size, 240-pin DIMMs and 184-pin DIMMs have only one notch within the row of pins

    .

    product reviews

    OID: A0A7D63EA5CA7304
    PR file path: /pwr/96v439cu/inline/02/48/A0A7D63EA5CA7304-en_US-1-reviews.html

    REVIEW SNAPSHOT®

    by PowerReviews
    Crucial4GB 240-pin DIMM DDR3 PC3-14900
     
    4.7

    (based on 18 reviews)

    Ratings Distribution

    • 5 Stars

       

      (16)

    • 4 Stars

       

      (1)

    • 3 Stars

       

      (0)

    • 2 Stars

       

      (0)

    • 1 Stars

       

      (1)

    94%

    of respondents would recommend this to a friend.

    Pros

    • Increases speed (11)
    • Reliable (9)
    • Fast (8)
    • Large capacity (7)

    Cons

    No Cons

    Best Uses

    • Increased performance (11)
    • Multiple desktop applications (9)
    • Multimedia (6)
      • Reviewer Profile:
      • Power user (10), Casual user (8)
      • Primary use:
      • Personal (12), Business (6)

    Most Liked Positive Review

     

    Crucial makes me look like a computer whiz!

    One of our PC's at work was so sluggish, it was pitiful. The Dell unit that my co-worker was using was shy on RAM memory - I just didn't realize HOW bad it...Read complete review

    One of our PC's at work was so sluggish, it was pitiful. The Dell unit that my co-worker was using was shy on RAM memory - I just didn't realize HOW bad it was. Out of 16MB available to support, Crucial's super EZ diagnostic program yielded that only 4MB were being used! No wonder its slow! I bought an 8MB memory kit as per Crucial's program recommendation (2 paired chips @ 4MB each chip) A few short days later, the package arrives. I install, and now, I'm treated like a king for kick-starting her computer into overdrive! The diagnostic program from Crucial's website worked flawlessly in diagnosing the problem - and provided plenty of compatible options. The RAM chips fit the PC perfectly, and her PC now has 12MB out of 16MB of RAM to use, instead of the former 4MB! Thanx, Crucial!

    VS

    Most Liked Negative Review

     

    Choose Corsair instead

    I used the advisor tool to check the best choice of ram for my PC. Bought advisor tools recommendation only to be greatly disappointed with the Ram received. Corsair has always been very reliable...Read complete review

    I used the advisor tool to check the best choice of ram for my PC. Bought advisor tools recommendation only to be greatly disappointed with the Ram received. Corsair has always been very reliable although expensive. I've tried giving crucial a chance and ended up appreciating Corsair more. Crucial is cheaper but in the long run you'll spend more money. Maybe I received a defective product but I've yet to receive any help from customer service. I'm happy I didn't risk in buying their SSD drives as well.

    Reviewed by 18 customers

    Displaying reviews 1-10

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    5.0

    Good product and works well

    By George

    from MA

    About Me Power user

    Pros

    • Increases Speed

    Cons

      Best Uses

      • Increased Performance

      Comments about Crucial 4GB 240-pin DIMM DDR3 PC3-14900:

      Hove always liked their service and products!

      • Primary use:
      • Business
       
      5.0

      emachines upgrade

      By Tiger Fan

      from Baton Rouge, LA

      About Me Casual User

      Verified Reviewer

      Pros

      • Increases Speed

      Cons

        Best Uses

        • Multimedia

        Comments about Crucial 4GB 240-pin DIMM DDR3 PC3-14900:

        Fixed 4 year old (BF deal) emachines desktop that had bad HD with new SSD and upgraded memory (to the max). Great improvement.

        • Primary use:
        • Personal
         
        5.0

        Crucial makes me look like a computer whiz!

        By Fixed! by Paul and Crucial

        from Levittown, PA

        About Me Casual User

        Verified Reviewer

        Pros

        • Easy To Install
        • Fast
        • Increases Speed
        • Proper Diagnostic Program
        • Reliable Performance

        Cons

        • None

        Best Uses

        • Increased Performance
        • Multiple desktop applications
        • Office Pc

        Comments about Crucial 4GB 240-pin DIMM DDR3 PC3-14900:

        One of our PC's at work was so sluggish, it was pitiful. The Dell unit that my co-worker was using was shy on RAM memory - I just didn't realize HOW bad it was. Out of 16MB available to support, Crucial's super EZ diagnostic program yielded that only 4MB were being used! No wonder its slow! I bought an 8MB memory kit as per Crucial's program recommendation (2 paired chips @ 4MB each chip) A few short days later, the package arrives. I install, and now, I'm treated like a king for kick-starting her computer into overdrive! The diagnostic program from Crucial's website worked flawlessly in diagnosing the problem - and provided plenty of compatible options. The RAM chips fit the PC perfectly, and her PC now has 12MB out of 16MB of RAM to use, instead of the former 4MB! Thanx, Crucial!

        • Primary use:
        • Business
         
        5.0

        good product. fast and painless ordering process.

        By Lee Dyer

        from Spring Creek NV

        About Me Power user

        Pros

        • Fast
        • Increases Speed
        • Large Capacity
        • Reliable Performance

        Cons

          Best Uses

          • Gaming
          • Increased Performance
          • Multimedia

          Comments about Crucial 4GB 240-pin DIMM DDR3 PC3-14900:

          I ordered this RAM to be able to better play Ark Survival evolved on my 5 year old pc. with it installed I no longer have render lag and the game runs smooth and seamlessly.

          • Primary use:
          • Personal
           
          5.0

          Love the RAM. Did everything I hoped it would.

          By iman455

          from Boca Raton FL

          About Me Power user

          Verified Reviewer

          Pros

          • Fast
          • Increases Speed

          Cons

            Best Uses

            • Increased Performance
            • Multiple desktop applications

            Comments about Crucial 4GB 240-pin DIMM DDR3 PC3-14900:

            The RAM doubled the processing speed of my desk top

            • Primary use:
            • Business
             
            5.0

            memory upgrade to an older computer

            By Keifer07

            from San Antonio , Texas

            About Me Power user

            Pros

            • Large Capacity
            • Reliable Performance

            Cons

              Best Uses

              • Multiple desktop applications

              Comments about Crucial 4GB 240-pin DIMM DDR3 PC3-14900:

              The price was excellent. It took more time to open computer case than it did to install the memory sticks.

              • Primary use:
              • Personal
               
              5.0

              Great product, great price

              By comp user

              from folsom,ca

              About Me Casual User

              Pros

              • Increases Speed
              • Reliable Performance

              Cons

                Best Uses

                • Increased Performance

                Comments about Crucial 4GB 240-pin DIMM DDR3 PC3-14900:

                easy ordering, quick delivery

                • Primary use:
                • Business
                 
                5.0

                Seems good to me

                By Jaybo

                from Kentucky

                About Me Casual User

                Pros

                • Fast
                • Increases Speed
                • Large Capacity
                • Reliable Performance

                Cons

                  Best Uses

                  • Gaming
                  • Increased Performance
                  • Multimedia
                  • Multiple desktop applications

                  Comments about Crucial 4GB 240-pin DIMM DDR3 PC3-14900:

                  Works good so far

                  • Primary use:
                  • Personal
                   
                  5.0

                  Product works well

                  By Rich

                  from Colorado

                  About Me Power user

                  Verified Reviewer

                  Pros

                  • Large Capacity

                  Cons

                    Best Uses

                    • Multiple desktop applications

                    Comments about Crucial 4GB 240-pin DIMM DDR3 PC3-14900:

                    Added memory to a desktop PC to increase performance for Windows 10. Good results. Use the Crucial System Scanner to determine my current memory. Then ordered what I needed.

                    • Primary use:
                    • Personal
                     
                    1.0

                    Choose Corsair instead

                    By D3

                    from California

                    About Me Power user

                    Verified Reviewer

                    Pros

                    • Cheaper Than Others
                    • Easy To Install

                    Cons

                    • Defective Product
                    • No Increase In Speed
                    • Unreliable Performance

                    Best Uses

                      Comments about Crucial 4GB 240-pin DIMM DDR3 PC3-14900:

                      I used the advisor tool to check the best choice of ram for my PC. Bought advisor tools recommendation only to be greatly disappointed with the Ram received. Corsair has always been very reliable although expensive. I've tried giving crucial a chance and ended up appreciating Corsair more. Crucial is cheaper but in the long run you'll spend more money. Maybe I received a defective product but I've yet to receive any help from customer service. I'm happy I didn't risk in buying their SSD drives as well.

                      • Primary use:
                      • Personal

                      Displaying reviews 1-10

                      Back to top

                      Previous | Next »

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