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Image for Crucial 4GB DDR3-1066 SODIMM Memory for Mac from Crucial USA

Crucial 4GB DDR3-1066 SODIMM Memory for Mac

  • Upgrade for: Apple MacBook Pro (13-inch, Mid 2009)
  • Crucial part number: CT3309353
  • Brand: Crucial
  • Form Factor: SODIMM
  • Total Capacity: 4GB
  • Warranty: Limited Lifetime
  • Specs: DDR3 PC3-8500 • CL=7 • Unbuffered • NON-ECC • DDR3-1066 • 1.35V • 512Meg x 64 • lead free • halogen free • for Mac
  • Series: Crucial
  • view all product details
    5 stars 23 reviews
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    • $45.99
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    This part is compatible! view all compatible parts

    MacBook Pro (13-inch, Mid 2009)

    Notes about your system:

    This 13" system may utilize one of the following processors:
    2.26GHz or 2.53GHz Intel Core 2 Duo processor

    Your Apple MacBook Pro (13-inch, Mid 2009)

    system specs as shipped


    • Maximum Memory:8GB
    • Standard Memory:4GB removable
    • Slots:2 (2 banks of 1)
    *Not to exceed manufacturer supported memory.
    what does this mean?
    Memory or DRAM is the "working" memory of the computer. It's used to store data for programs (sequences of instructions) on a temporary basis.


    • Storage: Serial ATA support
    what does this mean?
    Storage drives -- hard drives and solid state drives -- are the permanent memory for the programs and documents on your computer.

    we take care of our customers

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    Crucial 4GB DDR3-1066 SODIMM Memory for Mac

    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
    Warranty Limited Lifetime
    Specs DDR3 PC3-8500 • CL=7 • Unbuffered • NON-ECC • DDR3-1066 • 1.35V • 512Meg x 64 • lead free • halogen free • for Mac
    Series Crucial
    Module Qty 1
    Speed 1066 MT/S
    Tracer False
    Voltage 1.35V
    DIMM Type Unbuffered
    Bullet Features Increases system performance
    More information

    Crucial memory for Mac® systems

    Compatible with Mac systems*

    Product highlights
    • Increases Mac system performance
    • Compatible with Mac systems*
    • All DDR3 and DDR3L modules are lead- and halogen-free
    • Easy to install
    • Every single module extensively tested at the component and module level
    • Available in SODIMMs, RDIMMs, and ECC UDIMMs
    • Limited lifetime warranty

    Take the guesswork out of upgrading your Mac with Crucial memory for Mac systems. Since Apple® computers often have very specific memory requirements, including particular component densities, speeds, and SPD programming specifications, it’s important to use memory that’s engineered for your Mac. With more than a decade of experience manufacturing and developing memory for all types of Apple computers, trust Crucial memory to optimize your Mac system’s performance.

    Reliability for Mac systems
    When you use your Mac system, you expect intuitive, dependable performance. And if you’re a Mac Pro® user, you expect mission-critical workstation reliability. Expect the same out of your memory. Every module that leaves our doors has been extensively tested at the component level for voltage and temperature resistances, signal integrity, and software compatibility. Even better, modules are lead- and halogen-free.1

    Speed and energy efficiency for Mac systems
    A memory upgrade is the fastest, easiest, and most affordable way to get more performance out of your Mac system. Standard DDR3 modules help Mac systems reach speeds up to 1600 MT/s. For newer Mac systems, DDR3L modules are available. These modules deliver speeds starting at 1866 MT/s and use 10% less power for improved energy efficiency.

    Support for Mac systems
    Unsure how to install memory or have an important question about your Mac system? Let our team of experts help! Our team knows Apple systems and requirements inside and out, and we’ll provide the technical support you need – no matter which Mac system you’re using. From phone support, videos, FAQ articles, and do-it-yourself install guides for more than 70 different Mac systems, we’ve got the resources you need to keep your system up to speed.

    Micron quality — a higher level of reliability.
    As a brand of Micron, one of the largest memory manufacturers in the world, Crucial memory for Mac systems is backed by the same quality and innovation that has produced some of the world’s most advanced memory and storage technologies. With a product portfolio that includes upgrades for more than 100,000 systems, we’ve got one specifically designed for your Mac system.

    *Note that per Apple manufacturer specifications, memory can’t be upgraded on (a) many Mac systems made after mid-2012 and (b) retina-based models. Before upgrading your memory, consult your owner’s manual to verify that an upgrade is possible.

    1DDR3 and DDR3L modules only.

    product reviews

    OID: 3B09E667A5CA7304
    PR file path: /pwr/96v439cu/inline/05/15/3B09E667A5CA7304-en_US-1-reviews.html


    by PowerReviews

    (based on 23 reviews)

    Ratings Distribution

    • 5 Stars



    • 4 Stars



    • 3 Stars



    • 2 Stars



    • 1 Stars




    of respondents would recommend this to a friend.


    No Pros


    No Cons

    Best Uses

    No Best Uses
      • Was this a gift?:
      • No (21)

    Reviewed by 23 customers

    Displaying reviews 1-10

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    Just what my MacBook Pro needed

    By DC

    from SF Bay Area

    Verified Reviewer


    • Easy Upgrade


      Best Uses

        My MBP now works as it should, no more waiting for apps to open and load.

        • Was this a gift?:
        • No

        Ram Increase

        By TaiBlanc

        from New Mexico


        • Better than OEM
        • Easy install
        • Huge speed increase
        • Low Cost Upgrade


        • Only Bought 1- 4gb Stick

        Best Uses

          My 2009 MacBook Pro was slow with latencies but now keeps up with everything I need from it- like a new machine, and it can accept another 2 GB of Ram before reaching max.

          • Was this a gift?:
          • No

          great product and service

          By shellbell

          from iowa

          this was an easy web site to use and it helped me find just what I needed with good examples of how to install

          thanks you

          • Was this a gift?:
          • No

          (2 of 2 customers found this review helpful)


          Great product and fast delivery.

          By Adam

          from Florida

          Verified Reviewer

          The crucial website made it very easy for me to get the right RAM for my wife's MacBook. The RAM works perfectly.

          • Was this a gift?:
          • No

          Perfect as always

          By Joe

          from Pleasanton CA

          Second time I've added memory to one of my MacBooks. Perfect fit and performance and fast shipping.

          • Was this a gift?:
          • No

          does its job

          By Dude

          from Illinois

          Does the job and is perfectly fits macbook pro mid 2009 model.

          • Was this a gift?:
          • No

          mac memory module

          By Older Guy

          from Clarksville, TN

          Purchased to upgrade 2009 vintage MacBook Pro. Did the job.

          • Was this a gift?:
          • No

          Easy ordering and return

          By KBL

          from North Carolina

          Verified Reviewer


          • price
          • Shipping


            Best Uses

              Initially ordered the wrong item but easily returned it for the correct RAM. Great experience overall and the installation instructions were easy to follow.

              • Was this a gift?:
              • No

              Great service!

              By StuBeed

              from Michigan

              Verified Reviewer


              • Fast Price Service


                Best Uses

                  These guys were great. I ordered the wrong RAM and they bent over backward to expedite a return/exchange & replacement. RAM was easy to install and works fine.

                  • Was this a gift?:
                  • No

                  Terrific-I have a new computer!

                  By Y Girl

                  from Port Washington, WI

                  My computer was very slow. Adding memory made it seem like new--computer is about 5 yrs old

                  • Was this a gift?:
                  • No

                  Displaying reviews 1-10

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