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Everything You Need to Know About the Dual-, Triple-, and Quad-Channel Memory Architectures

Let’s take a look at how the dual-, triple-, and quad-channel memory architectures work and how to enable them in order to improve your computer’s performance.

Home » Everything You Need to Know About the Dual-, Triple-, and Quad-Channel Memory Architectures

Checking if it is Correctly Enabled

Contents

  • 1. Introduction
  • 2. Bandwidth
  • 3. Dual-Channel Architecture
  • 4. Enabling Dual Channel
  • 5. Enabling Dual Channel (Intel and AMD Socket AM3+)
  • 6. Enabling Dual Channel (Other AMD Sockets)
  • 7. Triple-Channel Architecture
  • 8. Quad-Channel Architecture
  • 9. Checking if it is Correctly Enabled

After installing your memory modules, the final step is to check if the dual-, triple- or quad-channel architecture is correctly enabled.
Currently, most motherboards will display this information on POST, which is the screen that appears right after you turn on your computer, showing some information about your system. Look for phrases such as “Dual Channel” and “Single Channel.” See Figure 15.

Dual Channel EnabledFigure 15: PC with dual channel mode correctly enabled (see “at Dual Channel”)

Another way to check this is by running a hardware identification utility. We recommend running CPU-Z and checking the memory information presented on its Memory tab, at “Channels #.” See Figure 16. On this same screen, you can check the current real memory clock rate and timings. Keep in mind that the real clock rate is half of the stated memory clock. In our example (Figure 16), the memories were being accessed at 333 MHz, i.e., “667 MHz.” This is a good place to check if your memories are being accessed at their full speed. If not, you need to check to see what is wrong. (Usually there is a misconfiguration on the motherboard setup or a limitation of the CPU or chipset.) Tip: Some older Athlon X2 processors have a problem where memories can’t be accessed at their full speed. Click here for more information.

Dual Channel EnabledFigure 16: PC with dual channel mode correctly enabled (see “Dual” at “Channels #”)

Back to: Introduction

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  • Everything You Need to Know About the Dual-, Triple-, and Quad-Channel Memory Architectures
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