DDR2 Upgrade for the Sony VAIO VGN-FZ21 Series Laptop/Notebook

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device type: notebook

Your VAIO VGN-FZ21 Series System Specs

System specs as shipped by the manufacturer.
Scan your system to view your specific system configuration.

Memory:

DDR2 PC2-5300, DDR2 PC2-6400

Memory Type: DDR2 PC2-5300, DDR2 PC2-6400, DDR2 (non-ECC)
Maximum Memory: 4GB
Slots: 2

Although the memory can be installed one module at a time, the best performance comes from using matched pairs of modules.

How much memory your Windows OS will recognize depends on which version of Windows you are running. 32-bit versions of Windows will see (and utilize) only 3GB or 3.5GB. To utilize more memory, install a 64-bit version of your OS. More information about OS memory maximums can be found here.

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.

video - installing memory

Chipset:

Intel PM965 chipset

Chipset is a set of integrated circuits that have a specific purpose in a computer system, a group of microchips used together to perform a single task.

4GB kit (2GBx2), 200-pin SODIMM, DDR2 PC2-6400 memory module

4GB kit (2GBx2), 200-pin SODIMM, DDR2 PC2-6400 memory module
Part Number: CT768726
  • Module Size: 4GB kit (2GBx2)
  • Package: 200-pin SODIMM
  • Feature: DDR2 PC2-6400
  • Specs: DDR2 PC2-6400 • CL=6 • Unbuffered • NON-ECC • DDR2-800 • 1.8V • 256Meg x 64 •
    What does this mean?
Guaranteed-compatible with the Sony VAIO VGN-FZ21 Series
£45.99 ex. VAT    £55.19 inc. VAT*
Qty:
* - Default VAT charge calculated at 20% for the UK.

REVIEW SNAPSHOT®

by PowerReviews
Crucial 4GB kit (2GBx2) Upgrade for a Sony VAIO VGN-FZ21 Series System
 
5.0

(based on 8 reviews)

Ratings Distribution

  • 5 Stars

     

    (8)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

88%

of respondents would recommend this to a friend.

Pros

  • Easy to install (8)
  • Reliable performance (8)
  • Fast (3)
  • Increases speed (3)

Cons

    Best Uses

    • Multiple desktop applications (5)
    • Increased performance (4)
    • Multimedia (4)
      • Reviewer Profile:
      • Power user (5), Casual user (3)
      • Primary use:
      • Personal (8)

    Reviewed by 8 customers

    Sort by

    Displaying reviews 1-8

    Back to top

     
    5.0

    Excellent memory modules

    By Ping Looper

    from Dorset

    About Me Power user

    Verified Buyer

    Pros

    • Easy Compatibility Check
    • Easy To Install
    • Increases Speed
    • Installation Video
    • Reliable Performance

    Cons

      Best Uses

      • Increased Performance

      Comments about Crucial 4GB kit (2GBx2) Upgrade for a Sony VAIO VGN-FZ21 Series System:

      Very stable memory modules. No problems at all and easy installation. The good thing is the online compatibility check and installation videos.

      • Primary use:
      • Personal
       
      5.0

      Brilliant and simple upgrade kit.

      By Stubbzarelli

      from Norwich

      About Me Casual User

      Verified Buyer

      Pros

      • Easy To Install
      • Increases Speed
      • Reliable Performance

      Cons

        Best Uses

        • Increased Performance

        Comments about Crucial 4GB kit (2GBx2) Upgrade for a Sony VAIO VGN-FZ21 Series System:

        Incredibly easy to install.

        • Primary use:
        • Personal
         
        5.0

        Great Price, and very quick delivey

        By wombat1953

        from UK

        About Me Power user

        Verified Buyer

        Pros

        • Easy To Install
        • Increases Speed
        • Reliable Performance

        Cons

          Best Uses

          • Increased Performance
          • Multimedia
          • Multiple desktop applications

          Comments about Crucial 4GB kit (2GBx2) Upgrade for a Sony VAIO VGN-FZ21 Series System:

          Great Price, and very quick delivey. I always buy my memory from crucial. I trust them to deliver every time

          • Primary use:
          • Personal
           
          5.0

          check you need it

          By Chris

          from Shropshire, UK.

          About Me Power user

          Verified Buyer

          Pros

          • Easy To Install
          • Fast
          • Reliable Performance

          Cons

            Best Uses

            • Multiple desktop applications

            Comments about Crucial 4GB kit (2GBx2) Upgrade for a Sony VAIO VGN-FZ21 Series System:

            This is a great product, but do be sure you need it. Performance is unimproved, but if you need to run 64-bit Windows it might be useful. With 32-bit Windows you only get ~3GB of useable memory and about the only performance improvement I have noticed is much faster shutdown times. Applications launch no quicker and boot-times are unchanged.

            • Primary use:
            • Personal

            (1 of 1 customers found this review helpful)

             
            5.0

            Excellent and trustworthy product

            By ST

            from London, UK

            About Me Casual User

            Verified Buyer

            Pros

            • Easy To Install
            • Reliable Performance

            Cons

            • No Increase In Speed

            Best Uses

            • Increased Performance
            • Multimedia
            • Multiple desktop applications

            Comments about Crucial 4GB kit (2GBx2) Upgrade for a Sony VAIO VGN-FZ21 Series System:

            The RAM upgrade is good for Vista and is easy to install and replace and great and reliable product so far...

            • Primary use:
            • Personal

            (0 of 1 customers found this review helpful)

             
            5.0

            Totally satisfied

            By S. Ramazanov

            from Reading, UK

            About Me Power user

            Verified Buyer

            Pros

            • Easy To Install
            • Fast
            • Reliable Performance

            Cons

              Best Uses

              • Gaming
              • Multimedia
              • Multiple desktop applications

              Comments about Crucial 4GB kit (2GBx2) Upgrade for a Sony VAIO VGN-FZ21 Series System:

              Totally Satisfied with this product. Really good memory for good price.
              The best thing is I received it in just next day.
              Totally worth it for this price.
              What about performance, it has increased my VAIO's FZ series performance, but I got 32-bit Vista and I can't get the most of my 4GB memory.

              • Primary use:
              • Personal

              (0 of 1 customers found this review helpful)

               
              5.0

              If your thinkin...don't just buy!!!!

              By Chris

              from Fleetwood, England

              About Me Casual User

              Verified Buyer

              Pros

              • Easy To Install
              • Fast
              • Reliable Performance

              Cons

              • None at this time

              Best Uses

                Comments about Crucial 4GB kit (2GBx2) Upgrade for a Sony VAIO VGN-FZ21 Series System:

                The product was easy to install and booted up first time, showing new ram. Boot up and shut down speeds now greatly reduced so well worth the small outlay to purchase this great and easy upgrade.

                • Primary use:
                • Personal

                (0 of 1 customers found this review helpful)

                 
                5.0

                Nice bit of kit

                By OmeeUK

                from Sussex, UK

                About Me Power user

                Verified Buyer

                Pros

                • Easy To Install
                • Large Capacity
                • Reliable Performance

                Cons

                • No Increase In Speed

                Best Uses

                • Gaming
                • Multimedia
                • Multiple desktop applications

                Comments about Crucial 4GB kit (2GBx2) Upgrade for a Sony VAIO VGN-FZ21 Series System:

                I bought this to upgrade my Sony FZ laptop to 4GB ram. After a fair bit of research Crucial came out on top as far as quality and reliability goes in my opinion. Only 3GB available on my laptop due to having 32bit operating system but looking forward to upgrade to 64bit to take full advantage of the capacity. Laptop didn't gain any increase in speed but (no change in vista index) but programs do load faster due to having more memory for prefetch. Overall, an excellent buy.

                • Primary use:
                • Personal

                Displaying reviews 1-8

                Back to top

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