Dual vs single chanenel

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raisonjohn


Only possible advantage of the single channel is related to budget/cost IF such RAM stick of a certain capacity is way cheaper than buying a pair of the same total capacity. Other than that, all advantages point towards using dual channel.

Usual situation where one considers getting just a single stick of RAM is "to add another one later on", for reasons of having limited budget OR if your motherboard only has 2x RAM slots. However, know that adding another stick, even of the same brand, model, capacity, speed, and latency is not a guarantee that both will work together. Buying a pair or...
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raisonjohn

raisonjohn

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Only possible advantage of the single channel is related to budget/cost IF such RAM stick of a certain capacity is way cheaper than buying a pair of the same total capacity. Other than that, all advantages point towards using dual channel.

Usual situation where one considers getting just a single stick of RAM is "to add another one later on", for reasons of having limited budget OR if your motherboard only has 2x RAM slots. However, know that adding another stick, even of the same brand, model, capacity, speed, and latency is not a guarantee that both will work together. Buying a pair or sticks (a kit) is less risky in terms of compatibility as both sticks were tested/sold as a pair to work together.

In terms of performance, here are some examples of the advantage of using dual channel memory in gaming:
[video="https://www.youtube.com/watch?v=PsgQ9g8kuQk"][/video]
[video="https://www.youtube.com/watch?v=0XmCE7Qfbt4"][/video]

For other than gaming, here is a RAM performance test between dual and single channel: http://www.gamersnexus.net/guides/1349-ram-how-dual-channel-works-vs-single-channel/Page-3
 
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