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SPD speed vs Tested Speed

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  • Speed
  • Memory
Last response: in Memory
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October 10, 2014 9:46:44 PM

http://www.gskill.com/en/product/f3-1600c9s-8gxm

they say it's 1600Mhz but it also says 1333Mhz.... is this incorrectly written or is it just deceptive?

i just realised after 3 months of owning it that it's not 1600Mhz.. booo

More about : spd speed tested speed

October 10, 2014 9:52:07 PM

SPD is basically fail safe settings that the RAM will work at if you don't manually load a profile or manually set the RAM up yourself.

I have that same RAM, it definitely works at 1600MHz 9-9-9-24 ;)  I had it working at 1866MHz with slightly higher timings too.
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October 10, 2014 10:05:29 PM

anti-duck said:
SPD is basically fail safe settings that the RAM will work at if you don't manually load a profile or manually set the RAM up yourself.

I have that same RAM, it definitely works at 1600MHz 9-9-9-24 ;)  I had it working at 1866MHz with slightly higher timings too.


http://www.playtech.co.nz/afawcs0139235/CATID=254/ID=15... ive already got these in them on the other two slots. is there anyway to manually clock the 1333Mhz to 1600 or should i just clock all 4 to 1866?
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October 10, 2014 10:05:53 PM

rmark45matsu said:
My memory was marked as 1600 mhz, but when I used it, it only ran at 1333mhz. I did this and it fixed it: https://www.youtube.com/watch?v=O0lQjIEeXFE


running intel but i will take a look haha
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October 10, 2014 10:06:35 PM

Should still work :p 
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October 11, 2014 7:57:28 AM

It depends what platform you're using; Intel or AMD. With Intel you could probably overclock to 1866MHz and possibly even further, but with AMD you're going to be lucky to get 1866MHz out of 1600MHz RAM with all 4 slots occupied and to clarify - your RAM is 1600MHz DDR3 and you can think of 'SPD speed' as just a 'fail safe' speed that ensures that it will work when you pop it in your motherboard. To get it running at 1600MHz on an Intel chipset, you would just load the XMP profile whereas with AMD, you would have to manually set the RAM up according to what the sticker on the RAM says.

The link in your OP is down right now though so I can't see if the first RAM is the same RAM or not that's in your second link :( 
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October 11, 2014 10:19:20 PM

The RJ X is a 1600 set, the SPD is for the default boot sppeed, DRAM 1600 and up generally always has XMP profiles that can be enabled if themobo supports XMP (all Intel), amd will use the profile and can do XMP if it uppors it, else look for DOCP or EOCP (AMDs two other main Memory profile schemes)
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