Going from 12GB to 24GB RAM

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truffaut84

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Oct 2, 2014
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Hi,

I have an Alienware Area 51 ALX pc with the following components:

Alienware 0XDJ4C Mainboard
Intel i7-980X (3,33 GHz, 6 Cores)
Intel X58 Express
3x4096 MB PC10700 667 MHz DDR3 (Samsung)

The manual says that 4 GB is the maximum size for one slot (3 slots available). The support page of Intel said 8 GB should be fine with the CPU and Chipset. Additionally, I found a post here, where someone used 3x Kingston Hyper X 8GB with 1600 at 1333 and it did work.

Are there people who could give me a reliable answer to this question?

Thanks
 
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maestro0428

maestro0428

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Apr 3, 2009
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Manufacturers usually set the max ram values at what the market is at or what they had to test with. Many times, if the chipset will allow more memory, it will work fine. It is a crap shoot though to which memory will work and which won't though. I say go with the kingston if its proven to work.
 
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geofelt

geofelt

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Oct 9, 2006
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Is this an academic question, or do you have a real need for 24gb?

If you are running windows 7 home premium, you will need pro/ultimate or windows 8 to access >16gb.

The real authority would be alienware, so contact them.
Also, there might be a motherboard bios update that addresses the issue.

If a vendor, like Kingston, corsair, g.skil ... says that a 24gb kit is supported on your particular motherboard, then you will get support. Check their upgrade apps.

Or... you could go ahead and buy a 24gb kit and try it. If it works, sell your 12gb kit.
If it does not, sell the 24gb kit.
 
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truffaut84

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Oct 2, 2014
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It is an academic question but not in the sense you think. The pc is owned by my university and we do 3-D-Modelling of animal embryos with it.

It runs on Windows 7 Ultimate x64 so that should fine.

The 3 year support just ran out and they are really unfriendly, if you don't subscribe to a new support contract and ask them technical questions. I probably have to call them at the very expensive tech support for people without a paid claim of support.
 
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jitpublisher

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May 16, 2006
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There were apparently 2 motherboard verisons of this PC released. The first one was board verison 1, which used a rebranded XPS 730x board with only 3 dims slots for triple channel memory. Later they changed to version 2 which has 6 slots.
It also had the Alienware brand logo on the board. The 3 slot version only supports 12 gig, the 6 slot version will support 24 gig. Each slot reports supporting 4gb max.
I see you said a post here said someone was using 3 8gig sticks and it worked, my question back to that poster would be I can understand that they would likely work, but are you getting all 24 gig of memory showing up?
 
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truffaut84

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Oct 2, 2014
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As I said, it's the earlier version with 3 slots.
The big question is, if the 24 GB showed up correctly and were usable.

The post is here:
http://www.tomshardware.co.uk/forum/320703-30-0xdj4c-mboard

 
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