Tom's Hardware > Forum > Motherboards & Memory > Gigabyte > What is the max DDR3 ram i can use in GA-EX58-UD3R

What is the max DDR3 ram i can use in GA-EX58-UD3R

Forum Motherboards & Memory : Gigabyte - What is the max DDR3 ram i can use in GA-EX58-UD3R

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midi25   06-30-2009 at 10:46:14 PM

Hi I want to use Corsair XMS3 ddr3 ram in a Gigabyte GA-EX58-UD3R.

What is the max I can go up to?

Thanks

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Bronze Motherboards badge bilbat   06-30-2009 at 10:59:57 PM
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4 slots times 4G modules = 16G, but you're not gonna like the price of 4G modules!
http://www.provantage.com/kingston [...] INM1CU.htm

That's $1,700+ a set!

Message quoted 1 times
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g3force   06-30-2009 at 11:15:40 PM
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bilbat wrote :

4 slots times 4G modules = 16G, but you're not gonna like the price of 4G modules!
http://www.provantage.com/kingston [...] INM1CU.htm

That's $1,700+ a set!


You linked laptop memory, which explains the incredibly high price

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midi25   06-30-2009 at 11:28:21 PM
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i thought DDR3 had to be installed in 3's?

so the why have the fourth slot?

My GB UD5 has 6 slots ie two banks of 3.

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Bronze Motherboards badge bilbat   06-30-2009 at 11:51:55 PM
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Ahh - the link is just to show the general ridiculousness of MOBO limits based on 4G sticks - not to recommend a product! They're damned hard to find any of for actual sale - I found a dozen citations of this announcement:
http://www.techspot.com/news/30260 [...] dules.html
but further searching found none actually for sale, by the fifth google page, which is about as far as I go for nonsense like this...

The actual answer is that, with four slots, the limit is 8G, like all four slot boards; this is also as much as you're ever likely see any difference in the use of...

I run a four monitor system with 8G of RAM under W7x64; on one monitor, I have an industrial controller logic design program, often running in a VirtualXp box; on the second, a visual design program for the touch-screen controller that acts as the operator interface; on the third, a cad program with twenty or thirty pages of schematics open; and on the last one, VisualStudio to write 'glue-logic' to chunks of MSOffice programs; I actually see the difference between 4G and 8G, mostly in reduced swapping... For any x86 OS, or less demanding useage (excepting something 'thread-intensive' like video editing), the difference is marginal.


Message edited by bilbat on 06-30-2009 at 11:52:47 PM
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Bronze Motherboards badge bilbat   07-01-2009 at 12:00:36 AM
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Quote :

I thought DDR3 had to be installed in 3's?

so the why have the fourth slot?

My GB UD5 has 6 slots ie two banks of 3.



From the UD3R manual:

Due to chipset limitations, read the following guidelines before installing the memory in Dual or 3 Channel mode.

Dual Channel--
1. Dual Channel mode cannot be enabled if only one DDR3 memory module is installed.
2. When enabling Dual Channel mode with two modules, it is recommended that memory of the same capacity, brand, speed, and chips be used. When enabling Dual Channel mode with two memory modules, be sure to install them in the DDR3_1 and DDR3_4 or DDR3_1 and DDR3_2 sockets.

3 Channel--
1. 3 Channel mode cannot be enabled if only one or two DDR3 memory modules are installed.
2. When enabling 3 Channel mode with three or four modules, it is recommended that memory of the same capacity, brand, speed, and chips be used. When enabling 3 Channel mode with three memory modules, be sure to install them in the DDR3_1, DDR3_2 and DDR3_4 sockets.

Read the following guidelines before you begin to install the memory:
• Make sure that the motherboard supports the memory. It is recommended that memory of the same capacity, brand, speed, and chips be used.
(Go to GIGABYTE's website for the latest memory support list.)
• Always turn off the computer and unplug the power cord from the power outlet before installing the memory to prevent hardware damage.
• Memory modules have a foolproof design. A memory module can be installed in only one direction. If you are unable to insert the memory, switch the direction.
• For the DDR3_2/DDR3_3 memory socket, make sure the memory module to be installed is a SA2 memory module.
• If only one DDR3 memory module is installed, it is recommended to install it in the DDR3_1 socket.
• When memory modules of different capacity and chips are installed, a message which says memory is operating in Flex Memory Mode will appear during the POST. Intel Flex Memory Technology offers greater flexibility to upgrade by allowing different memory sizes to be populated and remain in Dual/3 Channel mode/performance.

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Outlander_04   07-01-2009 at 02:08:21 AM
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was it really too hard to check the webpage for that mb and have a look at the specs?

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Bronze Motherboards badge bilbat   07-01-2009 at 02:10:31 AM
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"...not included in the available skillset..."

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Netherscourge   07-01-2009 at 02:30:01 PM
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Actually, DDR3 ram is pretty cheap right now (for desktops).

------------------------------ Intel Core i7 920 Nehalem CPU
Gigabyte GA-EX58-UD3R Motherboard
6GB Corsair XMS3 Triple Channel DDR3 Kit
 Reply to Netherscourge
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