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Thread: Best RAM for GA-EP45-UD3R




  1. #1
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    Default Best RAM for GA-EP45-UD3R

    I've had several issues with Mushkin brand RAM in these last couple weeks (2 sets DOA). I've always had positive results with Corsair, but I'm wondering what the best RAM for this mobo is, if trying to run Windows XP Pro now and soon will upgrade to Windows 7.
    Gigabyte GA-EP45-UD3R LGA 775,
    Intel Core2 Quad Q9400 2.66GHz LGA 775 95W Quad-Core Processor,
    Corsair XMS2 twin2x4 8500C5C DDR2 1066 dual channel,
    EVGA 01G-P3-N959-TR GeForce 9500 GT 1GB 128-bit GDDR2 PCI Express 2.0 x16,
    Western Digital Caviar Black WD6401AALS 640GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive,
    Sony Optiarc 24X DVD/CD Rewritable Drive Black SATA Model AD-7240S-0B,
    ARCTIC COOLING Freezer 7 Pro Rev.2 92mm Fluid Dynamic CPU Cooler


  2. #2
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    Default Re: Best RAM for GA-EP45-UD3R

    I can say with utter 100% cast iron experience that GSkill PK series (aqua heat spreaders) are amazing on the P45 UD3 boards. They simply work, nuff said.

    They're the only other combo of board and RAM I've used that will work in an 8GB config using two dual channel kits (put a kit on each channel, don't mix em up). The other was a P35 DFI board combined with OCZ Platinum (was called something else back then but is the same 5-5-5-15 2.1-2.2V stuff).

    Depends where you are as to how much this RAM will cost you. DDR2 has shot up in price. It was $49/40 for 2x2gb, but expect to pay $99/69 or more for a 4GB kit of the good stuff.

    Here's a couple of links, first being US newegg.com and the second is Novatech UK

    US link: Newegg.com - G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model F2-8500CL5D-4GBPK - Desktop Memory

    UK link (best price I can find, 50+ in stock: F2-8500CL5D-4GBPK G.Skill PK 4GB (2x2GB) DDR2 PC2-8500C5 1066MHz Dual Channel Kit 1066MHz RAM Speed, CAS 5-5-5-15 Timings, 2.0-2.1v VDIMM, Lifetime Warranty with G.Skill. : novatech.co.uk
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  3. #3
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Best RAM for GA-EP45-UD3R

    I sent you a PM in reply to your post on my profile.

    Please do pay attention to it, like I said P45 is a tricky beast and is nothing like older gen. boards. Your ram sets may have been fine, you just did not have proper settings.

  4. #4
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    Default Re: Best RAM for GA-EP45-UD3R

    I have the same board, and have 8Gb of OCZ DDR3 onboard which runs sweetly and without any issues at all under W7.

    Here's a link to the specifications on the manufacturers website.

  5. #5
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    Default Re: Best RAM for GA-EP45-UD3R

    Quote Originally Posted by Muth View Post
    I have the same board, and have 8Gb of OCZ DDR3 onboard which runs sweetly and without any issues at all under W7.

    Here's a link to the specifications on the manufacturers website.
    Question then, how are you able to run DDR3 RAM on a DDR2 board????? that's something i've never heard of doing, or attempted
    Gigabyte GA-EP45-UD3R LGA 775,
    Intel Core2 Quad Q9400 2.66GHz LGA 775 95W Quad-Core Processor,
    Corsair XMS2 twin2x4 8500C5C DDR2 1066 dual channel,
    EVGA 01G-P3-N959-TR GeForce 9500 GT 1GB 128-bit GDDR2 PCI Express 2.0 x16,
    Western Digital Caviar Black WD6401AALS 640GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive,
    Sony Optiarc 24X DVD/CD Rewritable Drive Black SATA Model AD-7240S-0B,
    ARCTIC COOLING Freezer 7 Pro Rev.2 92mm Fluid Dynamic CPU Cooler


  6. #6
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    Default Re: Best RAM for GA-EP45-UD3R

    Quote Originally Posted by saxman1 View Post
    Question then, how are you able to run DDR3 RAM on a DDR2 board????? that's something i've never heard of doing, or attempted
    Perhaps his board is actually one of the DDR3 variants, GA-EP45T-UD3R, for example. I'm no expert but all the basic info I can find says DDR2 and DDR3 are "electrically incompatible" specs, although both are 240 pin DIMMS. The key is in a different location.
    EP45-UD3LR Rev. 1.0
    Bios version F10 dated 1/27/2010
    Q9550 @ 2.83GHz with the cooling fan supplied w/processor
    PSU Corsair TX750W
    NVIDIA GeForce GTS 250
    Seagate SATA Barracuda 7200.11 1.5TB
    Hitachi SATA Deskstar 7K1000.C 1.0TB
    Samsung SATA 20x DVD/RW
    Corsair DDR2 CM2X2048-8500C5D

  7. #7
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Best RAM for GA-EP45-UD3R

    Ya he likely meant P45T or P45C

    You are correct DDR2 will not fit in DDR3 slot and visa versa

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