NVidia nForce 650 SLI motherboard... max supported ram?

Hi. I have a Dell XPS 630i and it has a nVidia nForce 650 SLI mother board. What is the max supported ram for this board? What would be the faster RAM I could buy for it? Would DDR2 1066 ram work? Thanks.
-Mike
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  1. this is the info you requested. Also a link to the specs.

    Memory module connector

    four user-accessible DDR2 sockets

    Memory module capacities

    128, 256, 512 MB, 1 GB, or 2 GB non-ECC

    Memory type

    800 and 667-MHz DDR2 unbuffered SDRAM; SLI memory

    Minimum memory

    1 GB

    Maximum memory

    8 GB

    http://support.dell.com/support/edocs/systems/xps630i/en/OM/HTML/specs.htm#wp1104354
  2. crowheart27us said:
    this is the info you requested. Also a link to the specs.

    Memory module connector

    four user-accessible DDR2 sockets

    Memory module capacities

    128, 256, 512 MB, 1 GB, or 2 GB non-ECC

    Memory type

    800 and 667-MHz DDR2 unbuffered SDRAM; SLI memory

    Minimum memory

    1 GB

    Maximum memory

    8 GB

    http://support.dell.com/support/edocs/systems/xps630i/en/OM/HTML/specs.htm#wp1104354


    Thanks much. One more question... "800 and 667 Mhz unbuffered DDR2"... so getting DDR2 1066 ram would be pointless or could I still get benefit from it over the DDR2 800?

    Thanks again.
  3. Welcome to the forums!

    Download CPU-Z and tell us what memory you already have.
    You can't overclock with a Dell, so go for the lower speed memory.
    With DDR2-800 you timings will be better. I don't know if you can adjust them in your bios.
    I would just try to match what you already have.
    With a 32-bit operating system, it does not make sense to go over 4 GB.
    It will not be recognized.
  4. You also need to look at how many memory slots you have and how many are used already.
  5. evongugg said:
    Welcome to the forums!

    Download CPU-Z and tell us what memory you already have.
    You can't overclock with a Dell, so go for the lower speed memory.
    With DDR2-800 you timings will be better. I don't know if you can adjust them in your bios.
    I would just try to match what you already have.
    With a 32-bit operating system, it does not make sense to go over 4 GB.
    It will not be recognized.


    I'll download CPU-Z tonight.

    Why can't you overclock a Dell? Just curious.

    I am using XP Pro 32bit right now, but will be upgrading to Vista Ultimate 64bit soon. I also have Windows 7 64bit installed on a seperate HD (dual boot).

    So once I upgrade to 64bit, I'll be OK with 800 DDR2 memory? What do you recommend as far as brand? Corair Dominator?

    The main reason I am trying to upgrade my system is I play with high def video editing and my system seems to lag a good bit during rendering. I was told that this is more processor / memory then it is video cards. I am using dual 8800GT 512 in SLI mode.
  6. Dells don't have the bios options for overclocking.
    DDR2-800 will work with any operating system.
    I recommend Corsair, OCZ, Patriot and Crucial.
    Check out some reviews on the net.
  7. Thanks much. I have 4 memory slots on this board.

    I like Dell, but I kinda wish I would have built my PC from scratch. I probably could have made a much better system for the same price (without the support though).
  8. Here's some CPU-Z info:
    ---------------------------------------------
    Processor 1 (ID = 0)
    Number of cores 4 (max 4)
    Number of threads 4 (max 4)
    Name Intel Core 2 Quad Q6600
    Codename Kentsfield
    Specification Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
    Package Socket 775 LGA (platform ID = 4h)
    CPUID 6.F.B
    Extended CPUID 6.F
    Core Stepping G0
    Technology 65 nm
    Core Speed 1600.7 MHz (6.0 x 266.8 MHz)
    Rated Bus speed 1067.1 MHz
    Stock frequency 2400 MHz
    Instructions sets MMX, SSE, SSE2, SSE3, SSSE3, EM64T
    L1 Data cache 4 x 32 KBytes, 8-way set associative, 64-byte line size
    L1 Instruction cache 4 x 32 KBytes, 8-way set associative, 64-byte line size
    L2 cache 2 x 4096 KBytes, 16-way set associative, 64-byte line size
    FID/VID Control yes
    FID range 6.0x - 9.0x
    max VID 1.288 V
    Features XD, VT

    DIMM #1

    General
    Memory type DDR2
    Module format Regular UDIMM
    Manufacturer (ID) Hyundai Electronics (AD00000000000000)
    Size 1024 MBytes
    Max bandwidth PC2-6400 (400 MHz)
    Part number HYMP112U64CP8-S6
    Serial number 0000301F
    Manufacturing date Week 20/Year 08

    Attributes
    Number of banks 1
    Data width 64 bits
    Correction None
    Nominal Voltage 1.80 Volts
    EPP no
    XMP no

    Timings table
    Frequency (MHz) 266 333 400
    CAS# 4.0 5.0 6.0
    RAS# to CAS# delay 4 5 6
    RAS# Precharge 4 5 6
    TRAS 12 15 18
    TRC 16 20 24
    ------------------------------------------------------------------------
    Any other info needed? Dell support said my motherboard will only support 4gb of ram. Looks like they were wrong... it will support 8gb of ram at 64bit.
  9. Go with DDR2-800 sticks with a voltage of 1.8.
    You probably will not be able to adjust the RAM voltage with your Dell.
  10. Thanks. I'll do that.

    Dell just sent me 64bit Vista Ultimate on DVD. Can I upgrade a 32bit XP Pro or do I need to do a clean install?
  11. "You cannot perform an upgrade from a 32-bit version of Windows XP to a 64-bit version of Windows Vista. However, you can use an upgrade copy of Windows Vista to perform a clean installation of a 64-bit version of Windows Vista," Microsoft informs and goes on to day that users should "begin the installation by inserting the 64-bit Windows Vista DVD into your computer's disc drive, and then restart your computer. You must start the 64-bit Windows Vista installation from the Windows Vista 64-bit disc because Windows installation will not run on a 32-bit version of Windows."

    http://news.softpedia.com/news/Yes-You-Can-Upgrade-32-bit-Windows-XP-to-64-bit-Windows-Vista-56504.shtml
  12. Damn. Thanks for the info. Maybe I'll wait and install the 64bit Vista on to my 300gb Raptor drive after Windows 7 beta key no longer works.
  13. evongugg said:
    Go with DDR2-800 sticks with a voltage of 1.8.
    You probably will not be able to adjust the RAM voltage with your Dell.


    Not much DDR2 800 / 1.8V ram around. Would 2.1V ram be OK?

    http://www.newegg.com/Product/Product.aspx?Item=N82E16820227291
  14. What a bunch of n00bs. Don't answer a question if u dont know the answer to them. Of course you can overclock with a Dell, the nvidia nforce 650 SLI motherboard used in the Dell XPS 630i CAN be overclocked. Hell, the XPS range was designed for extreme overclocking.

    You can use ddr2 1066mhz ram. PC8500 is supported by it.

    I'm currently running the exact machine with the exact specs and overclocked my q6600 to 3.6ghz from 2.4 ghz stock speed using 1066 mhz memory.
  15. How exactly do I overclock it? It's not an option the BIOS I do not believe...
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