Is it bad to have 3 RAM DIMMS in a 4 slot MoBo ?

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nucLeaR_gogo

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Jun 4, 2015
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When I take a look in a hardware monitoring program (in my case Speccy) I see that my RAM is running in Dual-channel mode, even though I have 3 DIMMs. When I go in BIOS it says the same, that I'm running my RAM in Dual-channel mode. I have a 2GB and a 4GB DIMM in channel A and my other 4GB DIMM is in channel B.

My specs are :
CPU - AMD A6-5400K APU @ 3,6GHz
GPU - Sapphire R7 260X @ 1050MHz
RAM - 2x4GB DDR3 and 1x2GB DDR3 @ 1600MHz
MoBo - MSI MS-7778 (Jasmine) - http://
HDD - WD Caviar Blue 1.0TB
PSU - Thermaltake Berlin 630W
 
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M

That's because I was wrong, I'm sorry. Dual-channel means that the motherboard reads all DIMMs in one channel sequentially but in parallel with other channels. It's another way of increasing bandwidth. Your mobo shows the two channels with different colours (blue and black). Going into single-channel mode with 3 DIMMs inserted must be a per-mobo thing and you can be happy that yours doesn't.
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MasterMadBones

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Dec 26, 2012
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That's because I was wrong, I'm sorry. Dual-channel means that the motherboard reads all DIMMs in one channel sequentially but in parallel with other channels. It's another way of increasing bandwidth. Your mobo shows the two channels with different colours (blue and black). Going into single-channel mode with 3 DIMMs inserted must be a per-mobo thing and you can be happy that yours doesn't.
 
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