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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 iMac (21.5 and 27-inch, Late 2009) iMac10,1
  • Crucial part number: CT3373663
  • 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 22 reviews
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    • $45.99
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    This part is compatible! view all compatible parts

    iMac (21.5 and 27-inch, Late 2009) iMac10,1

    Notes about your system:

    These 21.5" and 27" systems utilize one of the following processors:
    3.06GHz Intel Core 2 Duo, 3.33GHz Intel Core 2 Duo, 2.66GHz Quad Core Intel Core i5 or 2.8GHz Quad Core Intel Core i7


    A 3.5" bracket is required to mount the SSD in your system. Our part number for the bracket is CTSSDCONVT.

    Your Apple iMac (21.5 and 27-inch, Late 2009) iMac10,1

    system specs as shipped

    memory

    • Maximum Memory:16GB
    • Slots:4 (2 banks of 2)
    *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

    • 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

    trust-freeship trust-freereturns trust-freesupport trust-tracking

    you may also be interested in:

    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
    ECC NON-ECC
    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: F8FE7CD3A5CA7304
    PR file path: /pwr/96v439cu/inline/03/06/F8FE7CD3A5CA7304-en_US-1-reviews.html

    REVIEW SNAPSHOT®

    by PowerReviews
     
    4.8

    (based on 22 reviews)

    Ratings Distribution

    • 5 Stars

       

      (19)

    • 4 Stars

       

      (2)

    • 3 Stars

       

      (0)

    • 2 Stars

       

      (1)

    • 1 Stars

       

      (0)

    100%

    of respondents would recommend this to a friend.

    Pros

    • Easy to install (3)

    Cons

    No Cons

    Best Uses

    No Best Uses
      • Was this a gift?:
      • No (18)

    Most Liked Positive Review

     

    Worked great!

    My MAC had been running really poorly, and I realized I could quadruple the amount of memory. I ordered the additional memory, installed it easily, and it's working GREAT! It was also...Read complete review

    My MAC had been running really poorly, and I realized I could quadruple the amount of memory. I ordered the additional memory, installed it easily, and it's working GREAT! It was also less than half the price quoted by a local shop.

    VS

    Most Liked Negative Review

     

    works ... probably have to put 50lbs. of

    it works.. you have to put probably 50lbs. of pressure to get the ram into the computer.... almost feels like your fingers are gonna come off.... wish there was...Read complete review

    it works.. you have to put probably 50lbs. of pressure to get the ram into the computer.... almost feels like your fingers are gonna come off.... wish there was an easier way... but i'll forget about this the next morning.

    Reviewed by 22 customers

    Displaying reviews 1-10

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    (1 of 1 customers found this review helpful)

     
    5.0

    Simple upgrade brings new life to an old(er) iMac

    By JoeG

    from Atlanta, GA

    Verified Reviewer

    Pros

    • Compatibility
    • Good Price
    • Quality

    Cons

      Best Uses

        I bought for of these 4g sticks to upgrade my Late 2009 i7, 27" iMac from 8 to 16 GB. The instructions online were simple and easy to follow. I had no problem removing the old and installing these new chips into the computer. I did however get a little nervous while trying to remove the SODIMM from the plastic package. It was so tight I was sweating bending/breaking the module while trying to remove it. In the end though, all was fine. my computer fired up and recognized the 16 GB right off.

        Thanks Crucial. Next step is SSD in place of DVD drive and Fusion Drive.

        • Was this a gift?:
        • No

        (1 of 1 customers found this review helpful)

         
        5.0

        So glad I made this purchase!

        By Melly

        from Folsom, CA

        Verified Reviewer

        Pros

        • Easy To Install
        • Increased Computer Speed

        Cons

          Best Uses

            So glad I purchased extra RAM for my iMac. I recently upgraded to macOS Sierra and found my computer would freeze up and the mouse was very jittery. After installing an additional RAM card (doubling from 4gb to 8gb) I haven't had a single issue.

            • Was this a gift?:
            • No

            (1 of 1 customers found this review helpful)

             
            5.0

            Upgraded RAM for iMac

            By SharNix

            from Irvine, CA

            Verified Reviewer

            Product was as described, excellent packaging, shipped on time, and easy installation in my 1Mac.

            • Was this a gift?:
            • No

            (1 of 1 customers found this review helpful)

             
            5.0

            Crucial Dependability

            By Chuck

            from Maui, HI

            Bought Crucial few years ago and they're still best around.

            • Was this a gift?:
            • No

            (1 of 1 customers found this review helpful)

             
            5.0

            works great!

            By Go

            from Connecticut

            A big help when I needed more memory to upgrade my OS.

            • Was this a gift?:
            • No

            (1 of 1 customers found this review helpful)

             
            5.0

            RAM 4 late 2009 imac

            By Gary

            from San Diego

            Pros

            • Accurate Quick Ship

            Cons

              Best Uses

                Ez to reference right RAM cards for purchase
                Went from stock 4 RAM to max 16 and got the speed bang for the buck I was hoping for.
                Based on above, repeated for wife's 2009 late iMac. Same wonderful results.

                Why did I wait so long to do this simple upgrade in performance?!?!

                Solved the spinning wheel on my word docs too!
                Much quicker now in all RAM uses
                The plastic imac RAM pull tabs on the Mac took quite a strong tun to eject the old cards and you have to use very firm pressure to seat the new ones in. Total time < 15 min per imac.

                • Was this a gift?:
                • No

                (1 of 1 customers found this review helpful)

                 
                5.0

                buy again

                By JB

                from Parrish,Fl

                Pros

                • Easy To Install
                • Works Perfect

                Cons

                • None

                Best Uses

                • Adds Performance

                Ordered this 4 gig stick for iMac . Have ordered many items in past and have never been disappointed. Fast shipping.

                • Was this a gift?:
                • No

                (1 of 1 customers found this review helpful)

                 
                5.0

                very happy.

                By slick jones

                from ny.

                great. big performance difference.very happy.

                • Was this a gift?:
                • No

                (1 of 1 customers found this review helpful)

                 
                5.0

                Great place for Mac users!

                By Stray

                from NY NY

                Verified Reviewer

                Ordered RAM. Came quickly and was very reasonably priced.

                • Was this a gift?:
                • No

                (1 of 1 customers found this review helpful)

                 
                5.0

                Good price, good product, fast shipping

                By jLew

                from Carson City, NV

                Upgrade for a 27" 2009 iMac i5
                Exactly what i expected
                Very happy with my purchase

                • Was this a gift?:
                • No

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