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Old 03-04-2013, 05:37 PM   #1
shady28
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Default DDR3 Voltage Question

Ok, so I was specing out a new build and ran into something I'm hoping someone can shed some light on regarding RAM choices.

I was looking at microcenter, and comparing the specs of some 'lower priced' DDR3-1600 (ie, Microcenter brand, generic PNY, vs some higher end memory sticks).

A general pattern I'm seeing is the 'cheap' DDR3-1600 runs at 1.65 v in the specs. The 'higher end' DDR3-1600 runs at 1.5v

Probably the easiest comparison was generic PNY DDR3-1600 / CAS 9 that runs stock at 1.65v, vs PNY Optima DDR3-1600 / CAS 9 that runs at 1.5v stock.

So my question is, does this stock voltage rating indicate quality / overclockability of the RAM? In the PNY case, it appears this way, but I'm not sure if this is truly a good indicator or not.
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Old 03-04-2013, 05:45 PM   #2
shady28
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Nevermind, I found the answer in the old post linked below.

For anyone who is curious, the conclusion from this thread is that 1.65v DDR3 is factory overclocked. Hence, 1.5v stock is better memory.

http://forums.anandtech.com/showthread.php?t=2142510
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2011 iMac 27" 12 GB / 128GB SSD
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Old 03-04-2013, 08:46 PM   #3
bryanl
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True, but even 1.50V is not a guarantee against overclocking.
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