Odd RAM Mix Situation

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trainsim

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Jul 1, 2016
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So here's what happened. When I first bought my pc the receipt listed these sticks as what i purchased http://www.gskill.com/en/product/f3-12800cl9d-8gbxl

I then, pretty much 3 years later, bought the exact same kit, hoping to double my ram until I end up rebuilding everything from scratch. At the same time, I bought a CPU cooler for my i5-4670k to finally over clock it. Product codes and item name for the RAM were exactly the same on the list ( i keep my receipts for expensive buys). However, whilst screwing around with HWinfo watching temps etc I noticed that 1 pair was listed as different to the other. Turns out when I first built my pc I actually got these sticks http://www.gskill.com/en/product/f3-17000cl11d-8gbxl.

Seems obvious what happened, they stuck the wrong scan label on the sticks and then sold them to me for less then I would've paid for. ( Iam assuming judging by 'tested speeds) etc.

So here are my questions, what are the actual differences between these sticks? (What is meant by tested speeds vs 'SPD' speeds on the specifications?)

Did this end up being an upgrade or a down grade? ( Assuming the higher rated sticks are now being clocked lower)

Will I start to have memory issues due to differing latencies?

Will overclocking my CPU and setting the xmp profile cause issues?

Possible solutions? since it seems these http://www.gskill.com/en/product/f3-17000cl11d-8gbxl. arent being sold commonly but these http://www.gskill.com/en/product/f3-12800cl9d-8gbxl still are.

:Update

I already activated the XMP profile before I realised what had happened. PC seems stable, no noticable issues. never did any performance checks/tests. Mother board is a Z87 xtrme 3 from asrock http://www.asrock.com/mb/intel/Z87%20Extreme3/
 
Solution
Tradesman1
If you can exchange for 2133, can try that or just run them as is at 1600 - it's your choice. If you decide on a new rig down the road will prob be going to DDR$ and these won't work anyway ;)
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Tradesman1

Tradesman1

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Jun 5, 2013
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Both models are Ripjaws X (GSkill) sounds like the original sticks were 2133/11 and you thought and then picked up a set of same but in 1600/9...If they play nice they should be fine at 1600/9 (a bit of a downgrade from the original spec of 2133/11, but doubt you would notice as I'm guess you probably had them running at the default of 1333 anyway, otherwise if you had enabled XMP on the originals they would have either run at 2133 or simply wouldn't have booted
 
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maxwellmelon

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xmp profiles will likely cause issues unless theres a matching profile on both sticks when it comes to overclocking the memory. if you only change the cpu ratio and not the fsb freq your cpu should overclock fine.

your first ones support running at 1.6 volts officially and you 2nd ones only support 1.5v officially

where you actually running at 2133mhz before you installed the second set? you don't have your motherboard listed and that can limit the speed.

the 2100mhz may actually support cl9 fine at 1600mhz as its a slower speed but hard to know (again look at the xmp profiles see if there is one that matchs.)
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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__________________

DDR3 (1600 and up) comes with 2 XMP profiles, about 98% of the time they are both for the advertised data rate, i.e. here the 2133 set will have a 'spec' profile (#1) and Profile #2 will be the same as far as spec timings (advertised) but will have a tighter CR and possibly tighter secondary timing (Profile 2 is normally considered the 'enthusiast profile) for slightly better performance. Depending on when made, the 2133 sticks may have SPD timings for 1600 in addition to the basic 1333 (and possibly 1066 timings) the BIOS can read and help it to adjust to match to the 1600 sticks and there spec XMP profile. Might play, might not, if not can try voltage/timing adjustments - would need mobo and CPU to help there
 
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trainsim

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Jul 1, 2016
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Ok So I posted my MB's product page in my original post. So I checked my bios. All 4 sticks are being run at DDR 3 1600mhz using XMP 1.2 Profile 1 ( no other options available except for auto). Seems quite bizarre, what i might do to confirm is remove the 2 sticks I just added and see if the MB reverts to using them at 2133, or if they continue to be run at 1600mhz. They're running in dual mode.
 
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trainsim

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Jul 1, 2016
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Yep so Automatically the MB reverted to using them back at 2133mhz. Well crap so here's the final question. Would it be worth the hassle of trying to return the 2 sticks I just bought and then trying to source 2 sticks of the 17000? ( Bare in mind unless the product is defective they're extremely unlikely to accept the return). I could always save the sticks i just bought for something else, they were only AUD$56. Or am I better just sticking with what Ive got and waiting for my CPU/MB to kick the bucket and build a whole new pc?
 
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