RAM Memory Upgrades » Apple Notebook » PowerBook G4 400MHz 500MHz, 550MHz Series

Technical Data and Information

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This system can be upgraded to max. 1GB memory.
There are 2 memory slots.
Standard installed Notebook-RAM is 128, 256MB (removable).

M7952, M8362 models
  • Tip! If you might feel insecure about your exact system identifier you may request it here with the serial number of your Apple:
  • If you are using MAC OS X, you can read out your system data directly by using the System Profiler.
    System Profiler -> "About this Mac" -> "More Information"
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Notebook RAM & Memory upgrade » PowerBook G4 400MHz 500MHz, 550MHz

  • RAM compatibility to Apple PowerBook G4 400MHz 500MHz, 550MHz guaranteed

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    We certified the offered 1GB, 512MB, 256MB and 128MB memory upgrades for PowerBook G4 400MHz 500MHz, 550MHz Notebook. Just like the original accessories, our Notebook RAM can additionally be integrated next to existing memory or used as spare parts for your system. Following the specifications and instructions of Apple the memories can be easily used next to each other with different capacities and from a variety of different manufacturers. In exceptional cases, we point out special instructions.

    Please note that the values indicated in the item description, for example those concerning the speed rates and timings, are for your information only. These are the minimum technical specifications by Apple. For our modules we always use the most current and fastest DRAMs. That means, that we typically provide memory modules that allow an even higher timing than neccessary for your PowerBook G4 400MHz 500MHz, 550MHz.

    Regardless of whether you are Apple Notebook- User, resell your computer, install or operate your system - as a competent partner we advise you in every matter with regard to memory.

  • Warranty will not void if using CompuRAM Notebook RAM in your Apple PowerBook

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    It's good to know that installing CompuRAM memory as accessories or spare parts for your G4 400MHz 500MHz, 550MHz Notebook has no influence on the manufacturer's warranty. With appropriate handling of the hardware upgrade interfaces or slots, your warranty claim remains valid.

    By the way: The Notebook RAM modules normally originate from the same production process of the manufacturer (OEM).

  • Simple procedure, great effect: Notebook memory upgrade of your

    PowerBook G4 400MHz 500MHz, 550MHz    more »« less

    notebookspeicher einbauen

    Start again working smooth and efficient with your Apple Notebook - the procedure of upgrading is done quick and easy. You can access the RAM slots in most of the notebooks through a removable cover at the bottom side. Click here for a sample video.

    Our blog offers you a large range of market information, support and tutorials. As a matter of course, we also assist you with help and advice.

  • PowerBook Series Notebook by Apple

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  • Maximum RAM upgrade level: What is actually possible?

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    If the maximum RAM upgrade - 1GB - we specify for the PowerBook G4 400MHz 500MHz, 550MHz notebook is greater than the figure specified by Apple, this means that we have intentionally revised the figure upwards. The background to this is explained in our blog post ‘Maximise the maximum?’.

  • SSD upgrade - New power for your Notebook or Laptop

    SSD Upgrade more performance

    Replace your notebook hard drive with an SSD – using our SSD modification guide.

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