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December 23rd, 2021 08:00
Aurora R13, Ram clock speed above 4400
Since the Dell alderlake systems are under clocking (4000-4400) ram below the base DDR5 speed of 4800. If we put in Ram that is above that speed will System also under clock them? Will we also have a way to utilize ram at their correct speed?
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F34R
2 Intern
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436 Posts
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February 21st, 2022 16:00
OUCH. That's going cheap on a premium system; at least that's how I feel about it.
Vanadiel
8 Professor
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February 22nd, 2022 03:00
There's nothing to defend, because nobody knows the reasoning behind it.
If they ever share the reasoning behind it, than we can determine if that makes sense or not. I highly doubt they will ever share the reasoning behind it besides "design decision".
Vanadiel
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February 22nd, 2022 03:00
The noise is not from power delivery, but from the traces between the CPU and the memory modules.
That only get's solved by isolating those traces better for higher frequencies.
Only Dell would know why they lock it at 4,400 Mhz maximum, but I have a feeling that is their reasoning.
Vanadiel
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February 22nd, 2022 04:00
That is incorrect. I have an R10 that is clocked at DDR 3,200 Mhz with the OEM memory, and with aftermarket memory.
Some support up to DDR4 3,400 Mhz with the OEM memory.
It was never downclocked to 29xx speed, and XMP profile selection is available in the BIOS.
Only the R13 seems to have XMP disabled for some reason.
Wesleyg1
1 Rookie
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78 Posts
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March 4th, 2022 15:00
For all wondering on why the speeds are their Jays 2 Cents just posted a video to bring stuff to light and really why Dell has Limited DDR5 memory and its not Dell holding us back but the fact that Intel well .. to put it better terms they goofed.
have a look...
https://www.youtube.com/watch?v=uu9U7TVNImI
It isn't Dell at fault here but how Intel is handling DDR5 that is the bottom line.
AnClar
2 Intern
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290 Posts
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March 4th, 2022 16:00
Thanks for this vid. Over the years I've worked with all sorts of bleeding edge configurations. One of the lessons I've learned is that when you play on the bleeding edge you can get cut very easily. Folks always want to rip the pre-built OEM systems and mfrs like Dell for supposedly somehow being responsible for any issues that happen on their rigs. Setting your expectations realistically is pretty important when looking to upgrade. Point is that there are a lot of things that can go wrong and not all of them are because of a given vendor. Just one case in point. 12 years ago I bought a prebuilt from Dell, a Studio XPS 9000/435T. It had a 1st gen core i7 extreme, and was bleeding edge for its time. That system is still alive and well today, and serves as a low end web surfing machine for the youngsters. Dell has enough other issues to deal with with the R13s that may or may not be their direct fault for me to care about a lack of XMP profiles and the ability to (maybe) further overclock my ram. If I'd cared that much, I'd have built my own rig, but it would have cost more, and there's always the hassle of simply obtaining the components these days. Given the miserable GPU situation these days, I'm more than happy to be able to get a pre-built Alder Lake system with DDR5 ram and an nVidia RTX3090, at a cost not far over what a 3090 by itself costs. The R13 will game in 4K with decent frame rates, so it'll do what I'm buying it for. Not being able to further overclock the ram via XMP is not a deal breaker for me. I'm not a min-maxer in the games I play, and the same goes for my hardware. Of course YMMV.
Wesleyg1
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March 4th, 2022 17:00
My original issue is not that Dell wouldn't support the new XMP or faster RAM speeds it is that I could not be told Why.. If someone from Dell or close minded community members would get off their high horse and just take 5 seconds to say we don't want to support the new XMP right now cause it isn't working correctly, and just be honest with us.
AnClar
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290 Posts
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March 4th, 2022 18:00
I agree with you on this point. In my limited experience, Dell has been pretty uncommunicative as to the whys of issues that affect a class of system. I guess the mindset is that you never have to apologize for something that wasn't said or get called on a promise made that wasn't kept. That's similar to software devs when asked about when product X will release, and they reply with something like "when it's ready."
Wesleyg1
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March 4th, 2022 21:00
Sure it does if you limit the 2 sticks in a dual channel configuration and you had XMP3 to allow it to hit 4800 it would not successfully post everytime. It gets worse when you load up 4 sticks. How ever if you disable XMP3 and just what the system thinks the ram should be at it will post each time. Its also what others are experiencing on their custom builds which he does mention in the video.
Now Dell has not been forthcoming on any of this info here, only to tell us what their policy is. Its just like the PCIex4 issue , its not working they won't tell us why, but they will inform us they are investigating it. In other words they still refuse to be honest with us.
F34R
2 Intern
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436 Posts
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March 4th, 2022 21:00
Nothing in that video shows why Dell doesn't support XMP on the R13.
F34R
2 Intern
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436 Posts
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March 5th, 2022 05:00
That's how it's always been. If you look at other manufacturers motherboards, they ALL have different things going on when it comes to ram configurations and XMP. Dell not having XMP isn't the fault of Intel.
It would be understandable if it wasn't included now considering the infancy of DDR5 and available ram to test and validate, then later on Dell enables it after they have had time to test different brands of ram and validate them.
That's not what is happening here, according to the information we've been given so far. There's literally no technical reason from Intel that you can't have XMP on your boards and have it working with validated ram pairs.
Wesleyg1
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March 5th, 2022 05:00
It is if XMP3 doesn't work, that is what J2C video proved that XMP3 flatly doesn't work.
Until its more stable Dell will not enable it. That is why its greyed out.
We like to think that AW as a gaming brand is open to enthusiast builders but reality is is as brand its machines are designed to just work. Overclocking and whatnot most of that is controlled from AWCC bloatware software. Its an after thought.
Last point is we wouldn't be having this argument if Dell would just tell us their reasoning, but they don't communicate anything or tell us what is going on. They will tell us their policy but they will never inform us why, or be honest with us.
AnClar
2 Intern
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290 Posts
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March 5th, 2022 07:00
And why the reluctance by Dell to disclose their reasoning, my guess is that they’ve made the corporate decision that it’s easier and less trouble for them to not say exactly why they do anything from a design standpoint. They have probably figured that they have less legal liability, and it will cost them less overall to take the approach they have chosen. Dell has done this for years, as have many other manufacturers, tech and other fields.
DELL-Chris M
Community Manager
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March 7th, 2022 07:00
Dell has always used OEM (Original Equipment Manufacturer) customized hardware (PSU, video cards, memory, motherboard, etc.) purchased from the manufacturer to meet our conservative restrictions (VBIOS, System BIOS, drivers, etc.). Even though we ship OEM 4800MHz memory sticks in the Aurora R13, that memory will max to 4400MHz. This design choice was made in response to our conservative restrictions =
WMMC0 32GB, DDR5, 4800MHz, 2Rx8, 4Gx64, Unbuffered, 288 pin, Dual Rank, Non-ECC, will operate at 4400MHz
Hynix HMCG88MEBUA, Micron MTC16C2085S1UC48BA1, Samsung M323R4GA3BB0-CQK
K7G24 16GB, DDR5, 4800MHz, 1Rx8, 2Gx64, Unbuffered, 288 pin, Single Rank, Non-ECC, will operate at 4400MHz
Hynix HMCG78MEBUA, Micron MTC8C1084S1UC48BA1, Samsung M323R2GA3BB0-CQK
29NJ4 8GB, DDR5, 4800MHz, 1Rx16, 1Gx64, Unbuffered, 288 pin, Single Rank, Non-ECC, will operate at 4400MHz
Hynix HMCG66MEBUA, Micron MTC4C10163S1UC48BA1, Samsung M323R1GB4BB0-CQK
Dell Alienware made this clear on the Aurora R13 sales page, CONFIGURATIONS tab. Click, "Show all Options" under MEMORY shows =

This was also shown in the online Aurora R13 Setup and Specifications PDF =

Since the Dell Alderlake systems are under clocking (4000-4400) ram below the base DDR5 speed of 4800. If we put in Ram that is above that speed, will System also under clock them?
* Yes. See above.
Will we also have a way to utilize ram at their correct speed?
* No. See above.
Do we know if Dell will ever support XMP3 so that these ram can utilize their true turbo speeds?
* No.
The Sticks are actually DDR5-4800 sticks despite what others in chat have said.
* Agreed but that was never in debate by Dell. See the validated OEM memory stick information above.
F34R
2 Intern
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436 Posts
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March 7th, 2022 08:00
I'll say it again. I wish I hadn't fallen for the "we listened to gamers" rhetoric in the promo videos for the R13. It's all on me for not researching exactly how the system would work and what the limitations would be. I took for granted a just shy of $4000 computer would support bells and whistles of an enthusiast gaming pc.
The only thing I'm waiting to get working properly is the x4 slots for third party add-on cards. Also, the lack of "next-gen" improvements i.e. xmp3, and the fact that everything involved is proprietery i.e. motherboard, psu, I definitely won't fall in the trap again.