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1366 dual channel, 4GB modules?

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November 26, 2010 4:22:13 PM

Question 1:
Can 1366 motherboards support dual channel DDR3 RAM? As in, can they run 2 sticks in dual channel instead of running 3 sticks in triple channel?
I have a DX58SO mobo and I want to run dual channel.

Question 2:
Can early 1366 mobos such as the DX58SO support 4GB DDR3 RAM modules? I looked at the intel website, and it says it can take up to 16GB of RAM (there are four slots, so 4x4), but the supported DIMM chart says it only goes up to 2048 MB. ...?

a c 347 } Memory
November 26, 2010 5:10:07 PM

ANS 1 - Can - Yes, Should - No. That MOBO has a 'bizarre' DIMM arrangement; it's really a Tri-Channel +1 so you either purchase 1 Tri Channel Set - period or (2) 'Dual Channel' Kits or 1 Tri Channel Set + 1 or 1 Dual Channel Set + 1 and HOPE it all works; BAD setup. The +1 needs to have the SAME Speed, CAS timings {e.g. 9-9-9-24-2T}, Voltage, and 'Type Chips/side' and pray it works.

Most 1366 support 2x Dual & Tri Channel Kits; the problem with 6 DIMM MOBO is you 'shouldn't MIX Dual & Tri Channel Kits. Dual Channel Kits 2 or 4 Sticks - period; Tri/Hexa Channel Kits 3 or 6 sticks. Since the 'Kits' are matched 3x Dual Channel Kits is NOT recommended; you're essentially MIXING 1-odd stick per Channel. Kits are sorted and matched by BIN {testing}.

ANS 2 - Getting a Tri Channel +1 is a really bad idea. It goes in the category of Mix-Matching RAM.

Intel DX58SO http://www.intel.com/products/desktop/motherboards/dx58...
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November 26, 2010 5:33:24 PM

I have 2x4GB RAM from GSKILL
and
3x2GB RAM from OCZ, so they are two separate kits.

I want to use the RAM form GSKILL and sell the one from OCZ.
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a c 347 } Memory
November 26, 2010 5:42:44 PM

Depends, what G.SKILL? {need a link/part-number}
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November 26, 2010 7:02:42 PM

And the OCZ I have is 1333MHz, but I'm thinking of getting a 1600MHz OCZ RAM.
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November 26, 2010 8:30:29 PM

Btw, there's a sale for an evga x58 3x SLi/Xfire mobo for $110 (refurbished).

Should I go for it and replace my dx58so? Or is it not that much better?
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a c 347 } Memory
November 27, 2010 12:24:50 PM

Frankly, the Intel MOBOs are horrible and either ASUS or EVGA would be a vast improvement. The refurbished typically are fine as long as they carry the same OEM warranty. Too often User error is the underlying cause of 80% of the exchanges; assuming MOBO while another component is bad etc.

A good i7 ASUS/EVGA set is the Corsair TR3X6G1600C8D or CMP12GX3M3A1600C9 .

It makes little sense to me going from a Tri Channel Kit that I assumed worked to a Dual Channel Kit for a +2GB. Q - Why not find a single stick to Match the Tri Channel kit.

I also am not too concerned about Open Box as long a nothing 'critical' is missing {e.g. PCI card, I/O shelid -- the manual an SATA wires are nothing}.
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a c 347 } Memory
November 27, 2010 12:27:44 PM

BTW - Just always CHECK that the RAM is: 1. MOBO Certified {QVL} Memory Listed, 2. RAM Mfg's Tested see Configuration online tools, 3. Verify via a Ticket to RAM Mfg that the RAM 'will' be compatible. NOT ALL RAM will work; in this section it is 8-10 per day user error - compatibility.
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