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SPD Speed HELP !!!!!!!!!!!!!

Last response: in Memory
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December 11, 2012 12:21:59 AM

I want to use this RAM for my build [ RipjawsZ ] F3-17000CL11Q-16GBZL (4Gx4)
http://www.gskill.com/products.php?index=440

Website says its frequency speed is 2133 MHz and Voltage is 1.6V

What does it mean when it says SPD SPEED,VOLTAGE
SPD Speed - 1600MHz
SPD Voltage - 1.5V

Help much appreciated.


More about : spd speed

a b } Memory
December 11, 2012 1:28:38 AM

SPD stands for Serial Presence Device and is a small chip on the memory module that communicates with the BIOS serially to tell the BIOS what the memory settings should be. In your case 1600Mhz at 1.5V
Often BIOS's do not understand frequencies above 1333Mhz or 1600Mhz, and so you have to enter the desired frequency, voltage and latency settings yourself which in your case will be 2133Mhz 1.6V 11-11-11-30 2N latency.
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December 11, 2012 1:40:06 AM

pjmelect said:
SPD stands for Serial Presence Device and is a small chip on the memory module that communicates with the BIOS serially to tell the BIOS what the memory settings should be. In your case 1600Mhz at 1.5V
Often BIOS's do not understand frequencies above 1333Mhz or 1600Mhz, and so you have to enter the desired frequency, voltage and latency settings yourself which in your case will be 2133Mhz 1.6V 11-11-11-30 2N latency.



So my RAM won't run at 2133MHz out of the box it will run at the SPD speed and if i want to fully utilize the 2133MHz i
will have to manually set in the BIOS.
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a c 102 } Memory
December 11, 2012 3:16:38 PM

Absolutely correct. The JEDEC standard is DDR3-1333 CL9 and DDR3-1600 CL11. These are the maximum values any memory can AUTO default to. For anything higher or more performance like your memory kit, you must manually input settings for the RAM, or enable the enhanced performance profile such as XMP/DOCP/EOCP.

Thank you
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