3 GB DDR3 , tripple channel

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  1. Posts : 541
    Windows 7 Ultimate x64
       #1

    3 GB DDR3 , tripple channel


    Hello guys.
    I wanna change from x86 to x64 Winfdows 7,but i need your advice.
    Now i have 3 GB DDR3,in tripple channel. You think its ok if i get 1 more GB DDR3?
    Should i go for 3 mor GB DDR3 ??
    If i get only 1 GB RAM DDR3, its going to 'affect' the performance of tripple channel ?
    Thanks.
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  2. Posts : 10,200
    MS Windows 7 Ultimate SP1 64-bit
       #2

    Consult the Gigabyte website. Ask them. They are the best-qualified to answer questions about their motherboards.
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  3. Posts : 2,606
    Windows 7 Pro X64 SP1
       #3

    I believe that adding a fourth DIMM will cause the system to drop back to dual channel mode. That's supported by your X58 chipset, but it may slow things down a little compared to triple channel.

    I'd recommend 3 X 2GB over 6 X 1GB, but you'd be out rather more money.
    Last edited by bobkn; 15 Aug 2010 at 23:11. Reason: typo
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  4. Posts : 8,375
    W7 Ultimate x64/W10 Pro x64/W11 Pro Triple Boot - Main PC W7 Remote PC Micro ATX W7 Pro x64/W11 Pro
       #4

    That model supports upto 24gb "Supports 3 channel DDR3 2100+ memory" GA-EX58-UD5 (rev. 1.0) - GIGABYTE - Product - Motherboard - Specification

    Refer to the manual that comes with the board on installing memory. That will indicate how to configure the memory as far as which slots are used. If you misplace that at all go to GIGABYTE - Support&Download - Motherboard - Manual Download for the download.
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  5. Posts : 620
    7264x64/7260x86
       #5

    The price difference between a 1 gig stick and a set of three is not worth sticking with only one gig.
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  6. Posts : 8,375
    W7 Ultimate x64/W10 Pro x64/W11 Pro Triple Boot - Main PC W7 Remote PC Micro ATX W7 Pro x64/W11 Pro
       #6

    Typically you want to match what you already have in as much as possible for voltage range as well as the timings. On some Gigabyte boards the memory won't run if the memory is 1.9v while the board allows raising the memory clock up to see let's say the 1600mhz normal for the memory at 1.5v for DDR3 1600.

    When switching board makes for this build the first pair was 1.9v until getting into the 1066mhz raised to 1333 with the OCZ 1.9v dimms. Yet the memory supported list shows numerous 1.9v items. This is why looking in the manual's installing memory section is essential to see what the voltage range is there.

    ( here I ended up replacing the first pair for substitute memory before the second pair of 2gb dimms could be ordered!)
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  7. Posts : 2,686
    Windows 8.1 Pro w/Media Center 64bit, Windows 7 HP 64bit
       #7

    Here is a snip from the motherboard manual.

    3 GB DDR3 , tripple channel-memory.png

    In dual channel mode each of the two channels will have 2gb.

    In triple channel mode channel 0 will have 2gb and the next two channels will have 1gb each. It is all determined by where you place the memory sticks. I have no idea which option would perform better.

    Jim
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  8. Posts : 2,606
    Windows 7 Pro X64 SP1
       #8

    Phone Man said:
    Here is a snip from the motherboard manual.

    3 GB DDR3 , tripple channel-memory.png

    In dual channel mode each of the two channels will have 2gb.

    In triple channel mode channel 0 will have 2gb and the next two channels will have 1gb each. It is all determined by where you place the memory sticks. I have no idea which option would perform better.

    Jim
    Interesting. I thought that "triple channel" required three same-sized DIMMs to be addressed in parallel (192 bit equivalent memory path).

    The same 4-DIMM config is listed for my (Asus) X58 board, but without any explanation.
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  9. Posts : 2,686
    Windows 8.1 Pro w/Media Center 64bit, Windows 7 HP 64bit
       #9

    bobkn said:
    Phone Man said:
    Here is a snip from the motherboard manual.

    3 GB DDR3 , tripple channel-memory.png

    In dual channel mode each of the two channels will have 2gb.

    In triple channel mode channel 0 will have 2gb and the next two channels will have 1gb each. It is all determined by where you place the memory sticks. I have no idea which option would perform better.

    Jim
    Interesting. I thought that "triple channel" required three same-sized DIMMs to be addressed in parallel (192 bit equivalent memory path).

    The same 4-DIMM config is listed for my (Asus) X58 board, but without any explanation.
    Good question. I have not researched very much on how these channels operate. My impression is each channel is independent and has its own memory controller. On my Asus ATI board I can run the two channels separately or combine them into one channel which then runs as one controller. I need to do some more reading on this subject.

    Jim
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  10. Posts : 8,375
    W7 Ultimate x64/W10 Pro x64/W11 Pro Triple Boot - Main PC W7 Remote PC Micro ATX W7 Pro x64/W11 Pro
       #10

    The chart there shows which dimm slots are populated not what size is needed for individual slots. Since the max is 24gb you can assumed each slot supports upto 4gb dimms.(6x4=24)

    When sizes are mixed the memory is totalled collectively and divided across each channel. If you have three 2gb dimms in dual channel divide by 2. For triple channel divide by 3. The manual will go into that further.

    On the Gigabyte dual channel board here if you have 1gb in the first and 2gb in the second you see 1.5gb per channel when in the dual channel configuration. The manual still recommends using the exact brand, size, timings, etc. of course to see the best performance rather then mixing dimms.

    Here's a snip from the section 1-2 page #16 of the manual.
    Attached Thumbnails Attached Thumbnails 3 GB DDR3 , tripple channel-dual-triple-channel-config-ga-ex58-ud5p_ud5.jpg  
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