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Thread: Which RAM




  1. #1
    Join Date
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    Default Which RAM

    Folks-

    I finally got my E85 & Noctua & UD3P -
    However I ended up w/ 2 sets of RAM in case one didn't work right.

    PS : Stuff I still use now is 2GB MUshkin 2-2-2 "special" PC3200 w/an old Athlon 2600M which still zips right along iin an Abit NF7-s 2.0.

    That being said -Which of these will probably work the best in the long run
    in utilizing a mild 24/7 overclock? I know one runs at CL4 1.8v & the othr runs at cl5@ 2.1v but then again we are looking at CL4 @800 As opposed to CL5 @ 1066.

    Newegg.com - G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory - Desktop Memory

    or this

    Newegg.com - G.SKILL PI Black 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory - Desktop Memory

    Any chance the CL5 stuff could run at CL4 -1.8?V? probably not as I hear 8GB is a a bit finicky in those boards w/Wierd voltage requirements sometimes.

    They both appear to be really good though - I guess whichever would last the longest.

    I probably look to run at 3.6 or 3.8Ghz usually.


    Thanks

  2. #2
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    Default Re: Which RAM

    Hi, I personally would do one or two things. 1) Go to the Gigabyte site and your board and see if its compatable. 2) Go to gskill site and use their memory matching program.
    G/L

  3. #3
    Join Date
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    Default Re: Which RAM

    G.Skill site likes both.
    Gigabyte site is not up to date.

    Both sets are heavily bought/praised @Newegg, & other sites including here.
    About an +83% approval rate for "Excellent & Good" - some of the lesser comments seem to be from folks who are having trouble setting them up right in the bios or the occaisional doa stick. Also, running 4 2GB sticks at a time can be bothersome w/o upping/balalncing the right voltages.

    I Just wonder which ones will give snappiest performance while loafing along and using less juice instead of woking hard. I know rhere's a trade off)

    Those old mushkin2-2-2 specials I have still work well after 4 yrs 24/7.
    Unfortnately I think a cap or two is starting to bulge on the NF7.


    I was just hoping to hear from soemeone w/ experience w/them.

  4. #4
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Which RAM

    Some memory generalities:
    [value ram excluded]

    - At rated settings/timings, different brands will perform within a few % points of each other.

    - Some brands/modules will overclock a bit higher than others above their rated speeds.

    - Memory/mobo compatibility can be a major issue. Some brands work better than others with specific mobos.

    - Larger amounts of total memory usually require memory tweaks in the bios and memory timings and/or speeds might need to be lowered with more memory.

    - Support from the memory manufacturer varies significantly. Some offer toll-free live support and actively support their forums by offering fast support to users' questions.

    - DDR2-8500 is guaranteed to run at its rated speed, but sometimes only up to 2x2GB. Some manufacturers' websites state that more than 2x2GB is NOT guaranteed to run at full rated speed.

    - With more than 2x2GB setups, you will probably have to increase some of the voltage settings in the bios.

    - 8500 memory (5-5-5-15) when underclocked will usually run with the same 6400 memory timings (4-4-4-12) from 800 MHz up to 850 MHz or 900+ MHz.

    - 6400 memory will often overclock (25+%) to 1066 and sometimes higher.

    - 8500 memory will often only overclock 5% - 10%.

    - 6400 memory is currently a couple of dollars less expensive than the 8500 memory from the same manufacturer.

    - G.Skill memory seems to be the most popular memory in the TT GB forums.

    - Synthetic memory benchmarks don't necessarily correlate with real world performance. Some programs or games might run better or faster with higher memory speeds. Many (most?) programs run faster with higher cpu speeds, even if the memory has to run at less than full rated speed.

    - Significant memory performance gains at any given speed are available when tweaking the bios. tRD (aka Performance Level or Static tRead Value), tRFC and other memory timings are automatically set by the bios and are conservative. Manual tweaks will bring out the best your memory has to offer.

    - We can help you maximize you system/memory performance. You'll need to provide your stable bios settings and a link to your memory's specs.

    Go here for a generic bios template.

    ==== end of generalities ====

    my 3 cents:

    Newegg reviews are great, but anywhere from 10% - 30% (or more) of the reviewers don't know what they're doing.

    For me, manufacturer support is far more important than price or overall memory performance.

    shameless plug:

    My Mushkin memory is excellent. It only requires 2.02 volts to run at any speed up to DDR2-1100. It runs very cool, but this might be due to my down draft cpu cooler.
    Newegg Mushkin reviews (excellent + good) are usually at least 93%.
    The Mushkin forum support offers quick response from their staff and they will provide you with recommended settings for your cpu/mobo setup.
    Last edited by profJim; 04-05-2009 at 04:02 PM. Reason: minor correction
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
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    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
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    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  5. #5
    kick's Avatar
    kick is offline Senior Member
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    Default Re: Which RAM

    The black PI will run on the EP45-UD3 to 890-920 mhz at 4-4-4-12 timings .
    Think of 900mhz/450 fsb as a probable limit for 4-4-4-12 timings with reasonable ram volts.
    They will do 900-1000mhz on 5-5-5-15 timings 960-980being a reasonable limit with around 2.0v.

    above 1000 going to 1066,you will have to pump in very high voltages!
    I had to use 2.4 to get a boot into windows at 1064 followed by an immediate screen freeze on 6 cas timings.That was enough of that.

    The 1066 rated Gskills I dont know about but higher speed rated mem doesnt allways work on higher timings at lower speeds.

    For me approx 40mhz of memory speed seems to cancel out any bandwidth gain on lower timings.
    ie running the memory at 950 5-5-5-15 gives better bandwidth than 910 4-4-4-12.(assiming you are using the same fsb/mem ratio for both speeds).

    I would say if you are sure u dont want to go above 1000mhz/500fsb get the black PI 800.Also think about the possible ram multipliers and what speed you want the cpu at.The multipliers you are most likeley to use would be 2:00(1:1) 2.4 and 2.6.

    I think there are a set of Gskill 8800 silver PI on newegg for $70,might be worth looking at those if the extra 25-30$ is np.

    I bought my black PI originally because the mbrd I had had no option to increase ram voltage above the standard 1.8v.
    If buying now Id probably try the 8800(1100mhz)ram,but its not worth it for me to change.
    Last edited by kick; 04-05-2009 at 08:21 PM.
    Current Systems:

    Asrock p67 Extreme6.............. Gigabyte EP-45 UD3 ...................... Gigabyte 73 PVM S2
    Intel i5 2500k 4.8ghz................ Intel Q8400 3.8ghz......................... Intel D820 2.8ghz
    Zalman 10x cooler.................... Coolermaster V8............................ HP cooler
    8GB Gskill ripjaw ddr3.............. 4GB Gskill PI ddr2.......................... 4GB samsung ddr2
    60GB ssd/500GB HDD .............. WD 1TB hdd.................................... Seagate 160GB hdd
    GTX 460 1GB x2 SLI ................. Msi 9600GT 512MB(died) ........... Onboard gx
    Win7 64 ,750w psu(ocz)............ Win7 64 ,520w psu,seasonic...... Win XP pro ,400w psu

    HEC 6A34 case . ....................... Jeantec R2 case............................ Packard Bell case

    hoping to upgrade to http://www.thinkgeek.com/stuff/41/habicase.shtml
    http://www.flixya.com/video/140325/Animal-launching

  6. #6
    Join Date
    Mar 2009
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    Default Re: Which RAM

    I have both the PI Black 800 and the Blue 1066 now - just trying to figure out which set will run the coolest ie; less juice and still keep the system loafing along at 3.6 or 3.8 (E8500 processor) with the occasional foray into 4.Ghz land.

    I originally bought both as I was afraid one might act up - I could still get the silver stuff too and sell the rest - none of it is even out of the package yet as I am waiting for my Noctua HSF to arrive.

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