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Thread: Best 4GB kit for 2500Mhz or higher 24/7 stable?

  1. #1
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    Best 4GB kit for 2500Mhz or higher 24/7 stable?

    Curious what 4GB kits can run 2500mhz or higher for 24/7 stability. Have an i7 880 with a very good IMC (fun times playing with my CAS 9 2000mhz Ripjaws) that I want to max out.

    I am 100% aware that speeds that high mean literally nothing in terms of real world performance, but I love RAM clocking/tweaking so I need me a fun kit to push hard with Memtest

    I'm not interested in kits that can do 2500Mhz with 12-15-12-2T timings, 9-10-9 would be great if possible but trcd of 11 would be acceptable.

    I haven't had the fortune of playing with any good PSC kits or Hyper kits, just these BBSE which are fun, but I need more sets to tinker with


    Suggestions? Price isn't much of a concern, availability isn't much of a concern either, I can spend all night posting WTB threads all over the net.
    i5 2500K @ 4.9GHz+ 8GB G-Skill RipJaws DDR3-2000 @1600Mhz CAS 6 Asus P8P67 Pro CrossFire 6970's @ 950/1450
    Xeon X5677 @ 4.5Ghz 6GB G-Skill RipJaws DDR3-2000 @1600Mhz CAS 7 Gigabyte EX58-UD5 4870x2
    i7-880 @ 4.2Ghz+ (still playing) 4GB G-Skill RipJaws DDR3-2000 @2300Mhz CAS 9 Asus Maximus III Formula MSI Hawk 5770

  2. #2
    there is a lot of brands make 2500 cl9 with 11 tRCD dualChannel kit
    Gskill,patroit,kingston,corsair ... all of them have PSC IC and they are specified 2500 9-11-9 dipend on your country availablity

    personaly test only 2500 9-11-9 from gskill they did 2500 8-11-8 stable @ 1.65

    Air Test
    http://www.xtremesystems.org/forums/...d.php?t=251040

    Ln2 Test
    http://www.xtremesystems.org/forums/...d.php?t=254965
    Last edited by hiwa; 08-16-2010 at 05:39 AM.
    Quote Originally Posted by LardArse View Post
    i think you are asking the wrong person about safety limits, but

  3. #3
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    In the "air test" thread you and George o/c are saying you don't think any system can really run 2400-2500+ 24/7 though...

    My 880 is on water with 480mm of radiator right now so can use pretty high voltages I'm sure
    i5 2500K @ 4.9GHz+ 8GB G-Skill RipJaws DDR3-2000 @1600Mhz CAS 6 Asus P8P67 Pro CrossFire 6970's @ 950/1450
    Xeon X5677 @ 4.5Ghz 6GB G-Skill RipJaws DDR3-2000 @1600Mhz CAS 7 Gigabyte EX58-UD5 4870x2
    i7-880 @ 4.2Ghz+ (still playing) 4GB G-Skill RipJaws DDR3-2000 @2300Mhz CAS 9 Asus Maximus III Formula MSI Hawk 5770

  4. #4
    Quote Originally Posted by tool_462 View Post
    In the "air test" thread you and George o/c are saying you don't think any system can really run 2400-2500+ 24/7 though...

    My 880 is on water with 480mm of radiator right now so can use pretty high voltages I'm sure
    the voltage is not a problem, i never tested new 880 but i tested a lot of 860 and 870 it wasn't easy find a cpu can hanlde 2400/2500 memory, linx/hyperpi stable air cooling stable, maybe with a good IMC and great liquid cooling u can do it.

    Good Luck
    Hiwa
    Last edited by hiwa; 08-16-2010 at 12:09 PM.
    Quote Originally Posted by LardArse View Post
    i think you are asking the wrong person about safety limits, but

  5. #5
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    I know the IMC is probably the limiting factor, but thats why I created this thread so I could know which RAM kit will give me the best shot at those speeds.

    What is your suggestion?
    i5 2500K @ 4.9GHz+ 8GB G-Skill RipJaws DDR3-2000 @1600Mhz CAS 6 Asus P8P67 Pro CrossFire 6970's @ 950/1450
    Xeon X5677 @ 4.5Ghz 6GB G-Skill RipJaws DDR3-2000 @1600Mhz CAS 7 Gigabyte EX58-UD5 4870x2
    i7-880 @ 4.2Ghz+ (still playing) 4GB G-Skill RipJaws DDR3-2000 @2300Mhz CAS 9 Asus Maximus III Formula MSI Hawk 5770

  6. #6
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    Here is about where I'm at with the Ripjaws:



    Can bench higher and run 32M higher, but to pass HCI Memtest and 25 pass Linx, can't get much higher with 1.66v. 1T is stable too but BIOS doesn't like to keep it locked in for some reason when saved as a profile.

    IMC voltage is 1.30 in BIOS and tried 2400mhz with up to 1.4v on the IMC and it didn't help so I'm thinking the RAM might be holding the IMC back from it's capability, hence the want for some PSC sticks that might do better
    i5 2500K @ 4.9GHz+ 8GB G-Skill RipJaws DDR3-2000 @1600Mhz CAS 6 Asus P8P67 Pro CrossFire 6970's @ 950/1450
    Xeon X5677 @ 4.5Ghz 6GB G-Skill RipJaws DDR3-2000 @1600Mhz CAS 7 Gigabyte EX58-UD5 4870x2
    i7-880 @ 4.2Ghz+ (still playing) 4GB G-Skill RipJaws DDR3-2000 @2300Mhz CAS 9 Asus Maximus III Formula MSI Hawk 5770

  7. #7
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    Quote Originally Posted by tool_462 View Post
    Here is about where I'm at with the Ripjaws:



    Can bench higher and run 32M higher, but to pass HCI Memtest and 25 pass Linx, can't get much higher with 1.66v. 1T is stable too but BIOS doesn't like to keep it locked in for some reason when saved as a profile.

    IMC voltage is 1.30 in BIOS and tried 2400mhz with up to 1.4v on the IMC and it didn't help so I'm thinking the RAM might be holding the IMC back from it's capability, hence the want for some PSC sticks that might do better
    you know for that speed its terrible bandwidth
    use another strap

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  8. #8
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    Quote Originally Posted by zsamz_ View Post
    you know for that speed its terrible bandwidth
    use another strap
    I ran it while Memtest was running

    Just trying with lowest bclk I can to see if the RAM can take it.
    i5 2500K @ 4.9GHz+ 8GB G-Skill RipJaws DDR3-2000 @1600Mhz CAS 6 Asus P8P67 Pro CrossFire 6970's @ 950/1450
    Xeon X5677 @ 4.5Ghz 6GB G-Skill RipJaws DDR3-2000 @1600Mhz CAS 7 Gigabyte EX58-UD5 4870x2
    i7-880 @ 4.2Ghz+ (still playing) 4GB G-Skill RipJaws DDR3-2000 @2300Mhz CAS 9 Asus Maximus III Formula MSI Hawk 5770

  9. #9
    I am Xtreme
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    bandwidth is normal...its dual chan...its really good for dual channel


  10. #10
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    ADATA 2000x

  11. #11
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    DDR3-2500 for daily isnt an easy task...
    IMC is the issue as HIWA already pointed out, from 1150 to 1250 is quite a jump. ~1185-1230 is likely where you'll face issues with aircooled processor.
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  12. #12
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    Quote Originally Posted by Hondacity View Post
    bandwidth is normal...its dual chan...its really good for dual channel
    MaxxMem BW can push upwards of 21k overall with that speed on 2:10 but I can't get 230bclk 24/7 stable. LinX passes 10-12 times before fail and Prime 95 runs 30-35 min.

    Quote Originally Posted by Martin.v.r View Post
    ADATA 2000x
    Talking about the 2000 version of these: http://www.newegg.com/Product/Produc...82E16820211411 ? Are they PSC ICs?

    Quote Originally Posted by M.Beier View Post
    DDR3-2500 for daily isnt an easy task...
    IMC is the issue as HIWA already pointed out, from 1150 to 1250 is quite a jump. ~1185-1230 is likely where you'll face issues with aircooled processor.
    I'm not concerned with difficulty, that is somewhat of my point here. Set a tough goal to reach, and reach it, but I need suggestions on which kits can give me the best chance of getting there.
    i5 2500K @ 4.9GHz+ 8GB G-Skill RipJaws DDR3-2000 @1600Mhz CAS 6 Asus P8P67 Pro CrossFire 6970's @ 950/1450
    Xeon X5677 @ 4.5Ghz 6GB G-Skill RipJaws DDR3-2000 @1600Mhz CAS 7 Gigabyte EX58-UD5 4870x2
    i7-880 @ 4.2Ghz+ (still playing) 4GB G-Skill RipJaws DDR3-2000 @2300Mhz CAS 9 Asus Maximus III Formula MSI Hawk 5770

  13. #13
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    The G.Skill 2500 CL9 PIS kit should be more than capable of maxing out your IMC. If money is not an issue you could try two sticks of Corsair's GTX4, rated 2533MHz, 9-11-10-30.


    PS: The ADATA Kit is using Hyper chips, at least the 2200C8 kit you linked.
    Last edited by Don_Dan; 08-17-2010 at 08:46 AM.

    Quote Originally Posted by chew* View Post
    You can never have enough D9's.

  14. #14
    2300 8-11-8
    http://www.newegg.com/Product/Produc...82E16820231338

    2400 9-11-9
    http://www.newegg.com/Product/Produc...82E16820231338

    2533 9-11-9
    http://www.corsair.com/store/item_view.aspx?id=1473761


    they are all same IC, all use PSC all handpicked btw PSC ICs up to you

    the A-DATA 2200 are hyper and 99.99% of them are MGH, crazy with tight tRCD and tRP

    Good Luck
    Hiwa
    Last edited by hiwa; 08-17-2010 at 09:14 AM.
    Quote Originally Posted by LardArse View Post
    i think you are asking the wrong person about safety limits, but

  15. #15
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    Think these are the same as the 2400's? Gotta be the exact same sticks dont they? Unless G.Skill started binning.

    http://www.newegg.com/Product/Produc...82E16820231337

    @Don, thanks for tips, I think I'm going to roll PSC this run and play with those a bit. Money isn't much of a concern means I'd try basically anything but the $650 kit of GTX4
    i5 2500K @ 4.9GHz+ 8GB G-Skill RipJaws DDR3-2000 @1600Mhz CAS 6 Asus P8P67 Pro CrossFire 6970's @ 950/1450
    Xeon X5677 @ 4.5Ghz 6GB G-Skill RipJaws DDR3-2000 @1600Mhz CAS 7 Gigabyte EX58-UD5 4870x2
    i7-880 @ 4.2Ghz+ (still playing) 4GB G-Skill RipJaws DDR3-2000 @2300Mhz CAS 9 Asus Maximus III Formula MSI Hawk 5770

  16. #16
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    ADATA 2000x cl9 2x2GB
    Last edited by Martin.v.r; 08-17-2010 at 11:00 AM.

  17. #17
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    I've got he Patriot Viper II Sector 5 2500MHz 9-11-9 kit but I'm struggling to go above 2300MHz. Which is the maximum IMC voltage recommended for Air-cooling?

  18. #18
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    Quote Originally Posted by hiwa View Post
    2300 8-11-8
    http://www.newegg.com/Product/Produc...82E16820231338

    2400 9-11-9
    http://www.newegg.com/Product/Produc...82E16820231338

    2533 9-11-9
    http://www.corsair.com/store/item_view.aspx?id=1473761


    they are all same IC, all use PSC all handpicked btw PSC ICs up to you

    the A-DATA 2200 are hyper and 99.99% of them are MGH, crazy with tight tRCD and tRP

    Good Luck
    Hiwa
    Hiwa have u tested any bbse's which can run about the same or higher then the PSc's u linked?

    Another thing I find funny is AMD/Intel would snipe any of our Moms on a grocery run if it meant good quarterly results, and you are forever whining about what feser did?

  19. #19
    Quote Originally Posted by Johnny87au View Post
    Hiwa have u tested any bbse's which can run about the same or higher then the PSc's u linked?
    Bbse need higher voltage to do this for sure check my old threads somewhere i tested 2133 cl9 bbse dj-f and the max @ 1.9 vdimm was like 2400 but in triple channel.
    Quote Originally Posted by LardArse View Post
    i think you are asking the wrong person about safety limits, but

  20. #20
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    oh, Is it true that bbse's yield better latency and bandwidth tho over the psc's? just run higher voltage?

    Another thing I find funny is AMD/Intel would snipe any of our Moms on a grocery run if it meant good quarterly results, and you are forever whining about what feser did?

  21. #21
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    Quote Originally Posted by Kain XS View Post
    I've got he Patriot Viper II Sector 5 2500MHz 9-11-9 kit but I'm struggling to go above 2300MHz. Which is the maximum IMC voltage recommended for Air-cooling?
    According to the Intel white papers 1,4Vs, but if you try this its at our own risk- I reject all liability

  22. #22
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    Not too bad at all


    G.Skill Perfect Storm 2x2gb 17066C8 @2200C8 8/8/20/60 1N 1.68v ...one stick died :/ but back from RMA quickly :p

    As it's stated before I'm limited by IMC and bclk limited too can't wait to see something better!!

    Good luck Tool
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  23. #23
    Quote Originally Posted by Johnny87au View Post
    oh, Is it true that bbse's yield better latency and bandwidth tho over the psc's? just run higher voltage?
    well, BBSE were very nice moduls for Overclockers and daily use users, better than Hyper caz they aren't fragile like hypers, but with higher tRCD we couldn't able to do +2400 or so with triplechannel (i tested them only in triple), really no one thought need test them with higher tRCD (no need do this if your kit can do tighter timing for higher performance ), it's like someone buy hyper MGH and run it 9-11-9 for daily use, make no sense

    no dubt buy BBSE if you can find them for good price and you want enjoy Performance overclocking, but for daily use trust me if you play MafiaII or latest games nothing change on your final FPS go for PSC
    Quote Originally Posted by LardArse View Post
    i think you are asking the wrong person about safety limits, but

  24. #24
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    Quote Originally Posted by websmile View Post
    According to the Intel white papers 1,4Vs, but if you try this its at our own risk- I reject all liability
    I saw Hiwa using 1.55v for many tests, not to say using much more when extreme-cooling his CPU (Which I'm not). I'm using a Rampage III Formula and a Core i7 860, but it seems I can't pass 2300MHz at all

  25. #25
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    Nevermind... I solved the "problem" by downloading latest M3F 2001 BIOS. It seems 1801 BIOS hated my new kit.
    I'm using 1.35v for IMC and the're running OK at the moment. It's time to stress them.

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