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Windows 7: Question about ram

18 Nov 2010   #1

Windows 7 Ultimate 64 bit
Question about ram

Say I had a 2GB Kit (2 x 1 GB sticks) of OCZ DDR2 ram which is rated at 5-5-5-12
and another 2 sticks, exactly the same brand and part number but rated at 5-5-5-15.

As I understand it the 5-5-5-12 pair is the faster yeah?

So ... can I use both pairs on the same mobo and just set the 5-5-5-12 pair to run at 5-5-5-15?

My System SpecsSystem Spec
18 Nov 2010   #2
Night Hawk

W7 Ultimate x64/W10 Pro x64 dual boot main build-remote pc W10 Pro x64 Insider Preview/W7 Pro x64

Hello GREG Welcome to the Seven Forums!

The timings are close where that shouldn't be any problem. They should be the same type as well as voltage range when mixing however. You wouldn't use standard with performance memory for example.

First you will want to look over each pair's own specs as far as the voltages as well as what the board itself looks for. On the board here the user manual showed something different then seen on the manufacturer's supported memory list for the exact same board.

While the list showed 1.9v memory the board actually runs on 1.5v - 1.65v memory. The listed 1600 ran stock at 1066 and oced to 1333 while the stock 1600 runs at 1600 and can oc to 1800. Some have manually adjusted the voltages for a second pair when mixing to see things work out. Caution is advised for that however.
My System SpecsSystem Spec

 Question about ram

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