What type of RAM is compatible with my laptop?

Fems Pogi September 17, 2011

I have an Acer 4736 Core2Duo laptop with 4 GB RAM. Now I would want to upgrade to 8 GB of RAM and install a 64-bit operating system.

My work and place doesn’t allow me to procure the correct type of RAM. The speed of my laptop’s RAM (SO-DIMMM PC3 8500S) is only 1066 MHz. The ones on the market are of the same specs but of a higher speed (1333 MHz).

My question is, can I use a higher speed of RAM into my old laptop?

  1. Ticullabbe
    March 28, 2012 at 11:39 pm

    sorry for my english a just speak french and russian  we hace a dell d 410 and buy this laptop with a 512 mb ddr2 400 mhz but the replace them by a 533 mhz 1 gb.. last week i go to buy a 2 ddr2 pc5300s 667 mhz but my laptop its slow and the processor run just a 319 mhz  we have a problem because with 512 or 1 gb the laptop run faster  .. what is the cause

  2. Ticullabbe
    March 28, 2012 at 11:35 pm

    a have a probleme to upgrade my laptop dell recomand and buy me for a dell d 410 a ddr2 512 mb 533 mhz and crucial memory stick recomand me to put a 667 mhz

  3. Stivinn Aura
    September 20, 2011 at 12:40 pm

    Yes, all memory modules that have speed ratings less than or equal to the motherboard's specifications will work. Do note that if you use two modules of different speeds (eg. a DDR3 PC3-8500 and a DDR3 PC3-6400), they will work, albeit at the slower modules' speed. Therefore, it is recommended that you use two memory modules that have the exact same speficiations for the best performance.

    Frankly, those unacquainted with the use of RAM buy new modules that are of the same specs as the one(s) that is already installed in their computers to rule out all chances of incompatibility. However, the difference in speeds with DDR3 memory is barely noticeable, so, if you cannot avoid mixing two different modules, or you are getting a different module at a very cheap price, it would be better to mix them. Pay attention that the speeds are still less than or equal to your motherboard's specs though.
    I used a tiny utility named CPU-Z (http://www.cpuid.com/softwares/cpu-z.html) to determine my RAM specifications. Detailed information is given in a simple tabular display. I used the portable version, and found it very useful.If not, then Speccy (http://www.piriform.com/speccy) from Piriform (developers of CCleaner) also gives detailed information about the system's hardware.I found these two utilities exceptionally useful, and they are very easy to use. Recently, I bought a 2 GB DDR2 240-pin 667 Mhz DIMM Non-EEC Module after noting the exact specification from CPU-Z.

    • Fems_pogi
      September 28, 2011 at 12:50 am

      thank you very much Stivinn for this detailed info....

      • Stivinn Aura
        September 28, 2011 at 3:40 am

        You're welcome, Fems!

  4. Jeffery Fabish
    September 17, 2011 at 5:06 pm

    DDR3 (Recommended:1067 MHz)
    MAX: 4 GB

    Source: NewTechnology and TomsHardware. I still suggest you use Crucial memory scanner, however.

    • Fems_pogi
      September 17, 2011 at 8:28 pm

      Thanks again, Jeffery....But as of now I have 4 GB of RAM.  I shall use then 2 X 4 GB 1067 Mhz SoDIMM RAM to safely upgrade to 8 GB.  I understand that I may not be able to use a speed of 1333 MHz which is prevalent in the market.  I shall try this CRUCIAL MEMORY SCANNER.

  5. Anonymous
    September 17, 2011 at 10:30 am

    try Crucial system scanner and you will have an idea on RAM compatibility

    the specification of your laptop
    Dual-channel DDR3 SDRAM support
    ---Up to 4 GB of DDR3 1066 MHz memory, upgradeable to 8 GB using two soDIMM modules (for 64-bit OS)
    ---Up to 2 GB of DDR3 1066 MHz memory, upgradeable to 4 GB using two soDIMM modules (for 32-bit OS)

    • Fems_pogi
      September 17, 2011 at 8:20 pm

      thanks to you ha14.  i shall use a speed of 1066 then to fully comply with the specs....

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