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Fastest memory?

post #1 of 10
Thread Starter 
Looking for some help............
Currently have Kingston pc3200 running at 218mhz with mobo auto settings of 3-4-4-9. Anything else seems to crash. Want to upgrade so I know that my memory is not the limiting factor on my oc, but a little confused by what I read regarding whether faster speeds are better or a slower rated speed with a tighter timing spec is better. Some people seem to think that the bh5 stuff rocks, some don't go there. My mobo bios seems to have a 2.9v limit on raisng the mem volts, so some of the ocz stuff that touts a 3v limit with no problem won't help. What's your best experience/suggestions?? Price is not a factor, just best perfomance. Want the best I can get in case I upgrade the mobo to a dfi/opteron combo later on. Whaddya think?
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post #2 of 10
well i have heard that AMD likes tight timings... but then i have heard it doesnt matter and to go for max speed... and yes the BH-5 ram is badass, but requires alot of voltage,usually >3volts... so thats out of question for you.
i would go with OCZ platinum pc3200 for the tight timings route.
or the gskill extreme pc4000 for high bandwidth... get 2gb kits for either
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post #3 of 10
Thread Starter 
Thank you for the reply, but you have not cleared up my question.......
What will get me the best fsb, tighter timings or bandwidth?? I undestand I am working with the 2.9v limit thing on this mobo.

Edit....I might add that I am not a gamer, just pushing for highest speeds, doing mostly number crunching (seti). Thanx.
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post #4 of 10
bandwidth will get you the highest fsb at a 1:1 ratio... so get the gskill


but the reason people rave about BH-5 is because the ddr400 bh-5 stuff can go to like ddr600 speeds at like 2.5-4-4-7, but it needs like 3.4v lol
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post #5 of 10
well i have bh-5s and i read that a gug put 3.2v through thenm with his dfi and got timmings of 1.5-2-2-6 running at 220mhz
as apose to 2.5 -3-3-3-6 at 200mhz so bh-5s are amazing go for them try geli one there great or samsung tccd
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post #6 of 10
hey, maybe I can help you a bit. I have seen instances where lower frequencies with tight timings resulted in higher benchmarks than higher frequencies with looser timings and vice versa. Generally, from what I've seen higher frequencies w/ looser timings will give you more memory bandwith while lower frequencies w/ tighter timings may give you better benchmarks. but it all depends on your system and what timings you are able to run and what frequencies you try. In short you really need to try both on your system and run benchmarks to see what you like better.

in general, 2x512mb will get you the highest frequencies and if you don't game you don't really need 2gb so 1gb should prob be your goal... unless you want to upgrade to 2gb.

for 512mb sticks there are generally two different IC's that are exceptional OC'ers.
the BH-5 that you noted... it will typically do DDR500+ with tight timings of 2-2-2-x, but it requires over 3v. 3.2v is where it starts to get good.
Since your mobo limits you to 3.0v you do not want to get BH-5.
your best bet would be Samsung TCCD. TCCD will do 2-2-2-5 @ DDR400, DDR500 @ 2.5-3-3-7 and DDR600 @ 2.5-4-4-8 (typically) The best thing is that TCCD really likes 2.6-2.8v. some newer TCCD likes 2.7-2.9v, but that is well within what your mobo can supply so you're golden w/ TCCD.

if you get some TCCD you will be able to try both DDR400 with thight timings and even DDR600 with looser timings and run the benchmarks yourself to find what suits you better.
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post #7 of 10
My BH-5 is amazing! My motherboard will do 3.2v, but it will overvolt about .1 so I can get 3.3v into them, and I can get about 235Mhz out of them (2.2.2.5), when I can cool them down a bit.
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post #8 of 10
Quote:
Originally Posted by Lozza
My BH-5 is amazing! My motherboard will do 3.2v, but it will overvolt about .1 so I can get 3.3v into them, and I can get about 235Mhz out of them (2.2.2.5), when I can cool them down a bit.

but his mobo can't supply over 3v to the RAM so BH-5 would be useless to him!
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post #9 of 10
Thread Starter 
How do I determine which manufacturers are using TCCD? I looked at some memory on both Tiger Direct and Newegg, but neither seems to say what chip the modules are based on. TD shows a pair of PNY pc4800 512mb for 239.00 with 2.5-4-4 timing. NE shows pc4400 from corsair, mushkin, patriot,pny and g.skill. The pny claims the fastest timing at 2.5-3-3.
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post #10 of 10
RAM that uses TCCD:

OCZ Platinum PC4800 Elite
OCZ Platinum PC3200 Rev. 2 ver1.0 (I have some for sale... let me know if you're interested)
Patriot XBL
Corsair XMS XL
g.skill (not sure what model, but g.skill will usually outright tell you TCCD)
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