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difference between this two part numbers on ram

post #1 of 6
Thread Starter 
hi guys i just wanted to ask what the difference in this two sets of ram is they are g.skill ripjaws x 8gb packs 1 is red and the other is blue can you tell me is it ok to use these two together the only difference i can see is the very last letter on the packs i just wanna make sure before buying the blue set as i already have the red set thanks here is the part numbers

F3-12800CL9D-8GBXL
F3-12800CL9D-8GBXM
post #2 of 6
Well, aside from the obvious voltage difference - the XM are rated 1.35V while the XL are 1.5V - it looks like one comes in extreme sets up to 64 GB. The XL set are advertised "Intel XMP (Extreme Memory Profile) Certified". I wouldn't mix the two as most motherboards have only one setting for dram voltage and with the 2 sets rated different, I think getting them both stable might be harder than if they were both rated the same.
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post #3 of 6
Thread Starter 
i didnt know this and i have already ordered them ah well i can just try them out and if they dont work correctly i will send them back thanks for your reply
post #4 of 6
You're welcome biggrin.gif Glad to help.
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post #5 of 6
The L means Low.
The M means Medium.
G.skill use this to tell us how good the RAM overclocks.
Low meaning Low headroom not alot of overclocking.
Medium, then High.
It's all to do with Low, Medium and High headroom for overclocking.

You can mix the L with the M, all you have to do is manually set the RAM and overclock the M to 1.5v, because you can, thats why it's M.
It's ok to mix it if theyre running the same speed.
Just make sure, you manually set the DRAM voltage to 1.5v.
Edited by Denim-187 - 12/18/11 at 9:23am
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post #6 of 6
Thread Starter 
ok thanks for your help i will set the ram at 1.5v when i get them im just a bit of a noob when it comes to stuff like that i dont know much about overclocking but im sure i will be able to change that ok it seems easy enough
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