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Image for Crucial 4GB Kit (2 x 2GB) DDR2-667 SODIMM from Crucial USA

Crucial 4GB Kit (2 x 2GB) DDR2-667 SODIMM

CT2KIT25664AC667

  • Brand: Crucial
  • Form Factor: SODIMM
  • Total Capacity: 4GB kit (2GBx2)
  • Warranty: Limited Lifetime
  • Specs: DDR2 PC2-5300 • CL=5 • Unbuffered • NON-ECC • DDR2-667 • 1.8V • 256Meg x 64 •
  • Series: Crucial
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    5 stars 2996 reviews
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    • $55.99
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    Crucial 4GB Kit (2 x 2GB) DDR2-667 SODIMM

    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 SODIMM
    Total Capacity 4GB kit (2GBx2)
    Warranty Limited Lifetime
    Specs DDR2 PC2-5300 • CL=5 • Unbuffered • NON-ECC • DDR2-667 • 1.8V • 256Meg x 64 •
    Series Crucial
    ECC NON-ECC
    Kit Qty 2
    Speed 667MHZ
    Tracer False
    Voltage 1.8V
    Bullet Features Increases system performance
    DIMM Type Unbuffered
    More information

    200-pin SODIMM

    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: F5BB14CAA5CA7304
    PR file path: /pwr/96v439cu/inline/09/81/F5BB14CAA5CA7304-en_US-1-questions.html

    Do you have questions about this product?

    Get answers from real customers and in-house experts with AnswerBox.

    14 Questions | 29 Answers
    Displaying questions 1-10Previous | Next »
    • Q:

      Has anyone installed 4 on a macbook 2.16 ghz inter core 2 duo ddr2 sdram? Apple gives the option for 4gb on the site under memory for this computer and so does OWC micron etc just wondering why the scan that i did for crucial only recommended up to 2gb only? id perfer 4 if i could do it?
      Asked on 12/18/2011 by Alainah from Colts Neck NJ

      1 answer

      • Staff Reviewer

        A:

        4GB will not work in this system and only 2GB is compatible over two slots.

        Answered on 12/21/2011 by Crucial Support from Meridian, Idaho
    • Q:

      does 'kit' mean that it includes the screw driver and wrist along with the memory cards?
      Asked on 12/18/2011 by don from chicago

      1 answer

      • Staff Reviewer

        A:

        A KIT means that you receive two memory modules that where made and picked from the same batch of memory.

        Answered on 12/21/2011 by Crucial Support from Meridian, Idaho
    • Q:

      Hi,

      I am also looking to upgrade my memory to install Lion on my Mac. I see that this is 4GB but reading on my mac which now has 1GB it says I can only go up to 3GB. Would this still be the memory I need?
      My specs are.
      iMac 5,1
      2GHz Intel Core 2 Duo
      Memory 1 GB 667 MHz DDR2 SDRAM
      Thanks.
      Asked on 12/17/2011 by Anonymous

      1 answer

      • Staff Reviewer

        A:

        If your capacity is 3GB then it isnt adviseable installing more than this. Some Apple system though will allow a little more to be used and you can order this under our 45 day refund guarantee and should it not work you can be refunded.

        Answered on 12/21/2011 by Crucial Support from Meridian, Idaho
    • Q:

      Hi I currently have this model as my laptop, I wanted to upgrade the current memory which is 2gb to 4gb, but I only fount that you sell only 4gb (2x2b) is there a way i can only purchase one 2gb? Thanks.
      Asked on 11/21/2011 by Anonymous

      1 answer

    • Q:

      Do I need any special equipment to install a memory upgrade?
      Asked on 11/9/2011 by Robert DeStefano from Port Richey, FL

      1 answer

      • Staff Reviewer

        A:

        Maybe just a screw driver to remove some of the casing but apart from that nothing else is required to install the module in the slot.

        Answered on 11/16/2011 by Crucial Support from Meridian, Idaho
    • Q:

      Would this fit a Lenovo ThinkPad T61, running Win Vista 32, please?
      Asked on 11/8/2011 by Ian from Toronto, ON, Canada

      1 answer

      • Staff Reviewer

        A:

        That is the correct 4GB kit (2 x 2GB). Only the 64-bit version of Windows will address and utilize 4GB or more. Otherwise, with a 32-bit version only about 3GB-3.5GB will be seen and used.
        You can also view and order parts from here:
        http://www.crucial.com/store/listparts.asp?model=ThinkPad+T61+Series

        Answered on 11/15/2011 by Crucial Support from Meridian, Idaho
    • Q:

      Going to upgrade to Lion and think more RAM will help. Here is what I have now:

      Hardware Overview:

      Model Name: iMac
      Model Identifier: iMac7,1
      Processor Name: Intel Core 2 Duo
      Processor Speed: 2.8 GHz
      Number Of Processors: 1
      Total Number Of Cores: 2
      L2 Cache: 4 MB
      Memory: 2 GB
      Bus Speed: 800 MHz
      Boot ROM Version: IM71.007A.B03
      SMC Version (system): 1.21f4
      Serial Number (system): W87512YCZCV
      Hardware UUID: 00000000-0000-1000-8000-001EC2060E1E

      Is this the correct upgrade to order to be compatible with Lion OS? Thanks
      Asked on 10/5/2011 by Tom from Vancouver, WA 98684

      1 answer

      • VERIFIED BUYER

        A:

        It's the perfect upgrade. Worked magic.

        Answered on 12/2/2011 by 5gordons from Toronto, ON
    • Q:

      Hi,
      I had no trouble installing the first of the cards but the second does not seem to fit on top of the other. What am I doing wrong?

      thanks for your help.
      Asked on 8/21/2011 by sharilyn from NY

      2 answers

      • Staff Reviewer

        A:

        New parts can be stiffer than original modules and especially if a slot has been previously unpopulated. Just as long as the cut out notch along the gold pins of the module is aligned up with the protrusion in the slot then apply a lot more pressure. No gold pins should be visible outside of the slot.

        Answered on 8/24/2011 by Crucial Support from Meridian, Idaho
      • VERIFIED BUYER

        A:

        the second card probably goes under the key board. google install ram under key board or try youtube to watch a video of a install.

        Answered on 9/9/2011 by pwc from fl
    • Q:

      i just noticed i purchased a 2GB, 200-pin SODIMM, DDR2 PC2-6400 memory module, when i should have chose, "2GB, 200-pin SODIMM, DDR2 PC2-5300 memory module" as i have a 32 not 64 win xp.
      does this error on my part really matter or is it insignificant?
      Asked on 8/9/2011 by Anonymous

      1 answer

      • Staff Reviewer

        A:

        The speed of the memory module does not depend on the 32-bit or 64-bit operating system. Speed is backward compatible so it should still work fine in your system.

        Answered on 8/10/2011 by Crucial Support from Meridian, Idaho
    • Q:

      how/where do I install the new memory on a black MacBook?
      Asked on 7/21/2011 by Anonymous

      5 answers

      • Staff Reviewer

        A:

        You can find an installation guide here: http://support.apple.com/manuals/#MacBook (13 inch) - Memory Replacement Instructions

        Answered on 7/22/2011 by Crucial Support from Meridian, Idaho
      • VERIFIED BUYER

        A:

        You can download the user manual for your black MacBook from Apple. The diagrams for installing new memory are clear and easy to understand. Basically, you simply have to unplug the power cord (if you are using one) and any USB or other devices. Lay the MacBook upside down on a soft surface, such as a towel. You will need a small Phillips head screwdriver. Remove the battery cover and the battery. Unscrew the L-bracket holding the memory module(s). The screws have to be loosened completely, but they won’t fall out of the bracket. Follow the instructions and pull out the old modules. They might be in there tight, so you would need good finger strength. When pushing in the new module(s), be sure to push them in all the way (finger strength again). Replace the L-bracket and the battery and the battery cover, and you should be good to go.

        Answered on 8/8/2011 by LNCviolin from Maryland
      • VERIFIED BUYER

        A:

        Here are the instructions from Apple:

        http://support.apple.com/kb/ht1651

        It's pretty easy.

        Answered on 9/2/2011 by Christagna from Homewood, IL
      • VERIFIED BUYER

        A:

        take out the battery on the underside, then with a really small screwdriver take out the 3 mini screws and remove the metal strip. now pop the arm looking things out and just replace the old memory strips with the new ones (watch the slit and replace exactly as they came out) if you need more info, youtube search black macbook memory upgrade :) hope this helped

        Answered on 11/5/2011 by jon from houston, tx
      • VERIFIED BUYER

        A:

        Remove battery, flip the little locking levers, replace new memory in exactly the same way/ place you removed the old one, making sure the little notch is in the same place. Takes a bit of effort to snap them into place. Lock up the levers, replace battery.

        Answered on 11/25/2011 by DJ from Minneapolis, MN
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