1.5v & 1.35v @ the same time

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jc13

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Mar 25, 2013
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Happy Holidays to everyone, so here is my situation, a friend of mine sold me a crucial 4gb ddr3 @ 1600 MHz (1.35v) for $10 & I'm currently using my corsair 4gb ddr3 @ 1333mhz (1.5v). I'm aware that u can use a different memory speed @ the same time but my mobo will run @ the lowest speed which is 1333 MHz. I haven't try memtest86 yet but I did run windows memory diagnostics tool & didn't find any errors so far, as I am typing this Fallout 4 is alt tab'd & been running around in Boston Common (ram usage is near 5gb) & haven't experienced any BSOD yet & I checked my bios earlier ago to see if these two rams have the same timings and yes they are, 9-9-9-24, & its running @ 1333mhz & dram voltage is 1.35v. So does this mean that my corsair ram is also running @ 1.35v? Are they ok to use if you're not experiencing any errors or BSOD? Is it possible that any of my rams will fry in terms of long usage? btw been playing Fallout 4 for 3 hrs. Cheers!

i3 4130 @ 3.4ghz
Silverstone st50f-es
Asus r7 260x OC
Gigabyte B85m Gaming 3
WD 1 tb black
 
Solution
George Phillips
If you run a component at voltage lower than specification, nothing is likely to be fried. A component could only be fried if there is too much voltage. Because you are not overclocking and no error popped up, I recommend to just call it a day and keep using it.

On the other hand, I suggest to run few memory stress benchmarks for at least an hour to ensure the basic level of stability because the Corsair memory should run at 1.5v per specification. The best two apps to test are SuperPi (run 32M) and Prime 95. Prime 95 is especially effective. No any unstable system can run it with fully loaded memory for few hours. For your need, 30 mins run should be enough to verify its stability.
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George Phillips

George Phillips

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Jun 17, 2015
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If you run a component at voltage lower than specification, nothing is likely to be fried. A component could only be fried if there is too much voltage. Because you are not overclocking and no error popped up, I recommend to just call it a day and keep using it.

On the other hand, I suggest to run few memory stress benchmarks for at least an hour to ensure the basic level of stability because the Corsair memory should run at 1.5v per specification. The best two apps to test are SuperPi (run 32M) and Prime 95. Prime 95 is especially effective. No any unstable system can run it with fully loaded memory for few hours. For your need, 30 mins run should be enough to verify its stability.
 
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J

jc13

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Mar 25, 2013
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10,530


Ok so I ran Prime 95 for an hour but I don't know if you can see stress test results just the pass=ok thing. Didn't experience any BSOD tho & ram usage is just a stagnant 3.6gb (msi afterburner) so is it all good?

Edit: Just saw the result lol. It ran for 17 tests in 1 hour with 0 errors & 0 warnings so is this enough to prove that its stable?

 
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George Phillips

George Phillips

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Jun 17, 2015
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Yes, that's enough. There are different modes of tests in Prime 95. Users can also customize the amount of memory to fully load the memory to test the memory. If all threads keep running without being interrupted, it means the system stability is good up to that moment. This application is really one of the most stressful one to test both cpu and memory at the same time.

*I forgot to mention another stability testing software: MemTest86. This software runs at command mode before Windows starts and need a little more configuration. It will also test memory stability through tons of calculation.

For GPU testing, FurMark is the most stressful one, but it will cause a graphics card to stress so much and use so much energy to produce the maximum amount of heat. I personally don't recommend to run FurMark for over 3 minutes or as soon as the highest temperature of the GPU is recorded.
 
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