XMP Stability Question

[JaKSLaP]

So i have been playing around with XMP settings on my motherboard and have discovered that mine is not stable. I then did i google search about the topic and discovered alot of people are having the same issues. No my question is;

Is XMP Ram meant to always work 100% of the time? Or is it the luck of the draw. Cause what i am gathering is that a RAM company can release a set which says a certain speed but doesn't grantee its gonna be stable.

 

[Dark Lord of Tech]

Specs?

 

[JaKSLaP]

i am asking a general question about XMP, should it work straight out of the box as specified. cause been reading online alot of people having issues with it.

i5 4690k
Z87X-OC
2x4gb Gskill Trident X 2400
r9 390x
Corsair 750w PSU

 

[JackNaylorPE]

The answer is ... it depends:

a) Did you set the XMP voltage to the correct value ? Is this your RAM ?

http://www.newegg.com/Product/Product.aspx?Item=N82E16820231621

b) Is DRAM voltage set to 1.65 ?

c) Is CPU overclocked ?

To maintain stability with a 4.7 GHz CPU OC with DDDR3-2400 (10-12-12-28 timings) , I had to nudge voltage up to 1.70

Your RAM is 100% guaranteed to run at the stated speed on the package at the stated voltage on the package at the CPUs stock settings .... provided that both sticks came in the same package.

 

[JaKSLaP]

The answer is ... it depends:

a) Did you set the XMP voltage to the correct value ? Is this your RAM ?

http://www.newegg.com/Product/Product.aspx?Item=N82E16820231621

b) Is DRAM voltage set to 1.65 ?

c) Is CPU overclocked ?

To maintain stability with a 4.7 GHz CPU OC with DDDR3-2400 (10-12-12-28 timings) , I had to nudge voltage up to 1.70

Your RAM is 100% guaranteed to run at the stated speed on the package at the stated voltage on the package at the CPUs stock settings .... provided that both sticks came in the same package.

A) The voltage automatically changed to 1.65 volts
C) CPU is not overclocked

my ram is
http://

My main question was, should XMP work right out of the box without modification?

 

[BillV523]

yes, but I believe you still have to select XMP in the BIOS or your pc may have a software bios tuner app.

 

[JaKSLaP]

yes, but I believe you still have to select XMP in the BIOS or your pc may have a software bios tuner app.

i meant after enabling XMP in the bios should everything work automatically

 

[BillV523]

Yes, that is the intent of it. you can manually tune them too if you want but enabling XMP in the bios sets the RAM to its factory XMP OC settings. If you don't enable XMP it will probably run at a lower setting - most RAM is that way - it may be spec'd at 1600 (for example) but out of the box will connect at 1333 unless you enable XMP in the bios.

 

[JackNaylorPE]

My main question was, should XMP work right out of the box without modification?

Same answer:

Your RAM is 100% guaranteed to run at the stated speed on the package at the stated voltage on the package at the CPUs stock settings .... provided that both sticks came in the same package.

XMP = overclocking.

http://www.intel.com/content/www/us/en/gaming/extreme-memory-profile-xmp.html

Intel® Extreme Memory Profile (Intel® XMP) lets you overclock RAM and compatible DDR3/DDR4 memory to enhance the gaming features built into PCs with Intel Inside®. Get that extra edge you need to dominate.1

Normally, the MoBo will NOT select XMP cause it shouldn't overclock anything w/o your say so; it should select the highest available JEDEC standard profile. In my experience, to enable XMP you go into the BIOS and select XMP, then it **should** set the appropriate voltage., automatically .... sometimes it won't.