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Thread: P55-USB3 can this motherboard handle 2 x 8GB of RAM or would I have to use 4 x 4GB




  1. #1
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    Default P55-USB3 can this motherboard handle 2 x 8GB of RAM or would I have to use 4 x 4GB

    P55-USB3 can this motherboard handle 2 x 8GB of RAM or would I have to use 4 x 4GB. The memory guide online is from when the board was released so it only shows 2GB and 1GB configurations. Just wanted to know if anyone can confirm if 2 x 8GB DDR3 would work.

  2. #2
    Acebmxer's Avatar
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    Default Re: P55-USB3 can this motherboard handle 2 x 8GB of RAM or would I have to use 4 x 4GB

    Yes the board should handle upto 16GB of ram.

    1. 4 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory (Note 1)
    2. Dual channel memory architecture
    3. Support for DDR3 2200/1333/1066/800 MHz memory modules
    4. Support for non-ECC memory modules
    5. Support for Extreme Memory Profile (XMP) memory modules

    (Note 1) Due to Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB.
    Same info is given for both Rev 1.0 and Rev 2.0 of the board. It should be easier to get 2x4gb ram working then it would be to get 4x2gb.
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    Default Re: P55-USB3 can this motherboard handle 2 x 8GB of RAM or would I have to use 4 x 4GB

    They have a BIOS update that shows "improve memory support" so I may just give it a try, I really want 2 x 8GB rather than 4 x 4GB.

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    Default Re: P55-USB3 can this motherboard handle 2 x 8GB of RAM or would I have to use 4 x 4GB

    ive run two 8gb modules in a h55 board so yeah it will work,you might need more qpi/vtt voltage though and use the latest mb bios first
    Gigabyte z77x UP4-TH F11c Modded Bios
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    Default Re: P55-USB3 can this motherboard handle 2 x 8GB of RAM or would I have to use 4 x 4GB

    Thank you for the info. I'll give it a shot. Hard deal to pass up 16GB for less than $100.

  6. #6
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    Default Re: P55-USB3 can this motherboard handle 2 x 8GB of RAM or would I have to use 4 x 4GB

    let me guess Samsung ram?
    Main Rig
    Gigabyte z87x-OC
    Haswell i7 4770k - 4.7Ghz @ 1.330v LLC Extreme (L310B492)
    G.Skill F3-1700CL9D-8GBXM DDR3-2133mhz 9-11-10-28 1.65v @ 2800mhz 12-14-14-35 1.7v
    Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
    Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
    HiS ATI HD 6950
    Samsung 840 Pro 256GB SSD (boot Drive) on Intel sata3 controller port0
    Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
    Samsung 320GB HD322GJ 7200 RPM 16M cache on Intel sata3 controller port2
    Sony Optiarc DVD-RW AD-7240S on Intel sata3 controller port5
    CORSAIR CMPSU-850TX PSU
    Swiftech MCP655-B Pump
    EK Supremacy Cpu Block
    Swiftech Mcres Micro Rev 2 Reservoir
    Black Ice GTX Xtreme 360 Radiator





  7. #7
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    Default Re: P55-USB3 can this motherboard handle 2 x 8GB of RAM or would I have to use 4 x 4GB

    if it is samsung ram please take the time and post some read/write figures and oc speed with maxmem http://www.benchmarkhq.ru/files/MaxxMEM2_preview.zip would be interesting to see on p55
    Gigabyte z77x UP4-TH F11c Modded Bios
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    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
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    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
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    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  8. #8
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    Default Re: P55-USB3 can this motherboard handle 2 x 8GB of RAM or would I have to use 4 x 4GB

    The sale was for GSkill memory.

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