12/19/2012
HomeTechMemory speed and bandwidth convert table

Memory speed and bandwidth convert table

By  Tech  3 Comments

2017 Update: Added DDR4 Ram.

One thing that frustrates me when I want to select parts for my possible future pc is to match the memory speeds/bandwidth. Typicaly you see them either as PC-XXXX (like PC3-16000) or in MHz (like 2000MHz), but I lose track of the different formats.

So, here’s a convert table:

Bandwidth Speed in MHz
PC2100 266 MHz
PC2700 333 MHz
PC3200/PC2-3200 400 MHz
PC2-4200 533 MHz
PC2-5300 667 MHz
PC2-6400 800 MHz
PC2-7200 1066 MHz
PC2-8500/PC3-8500 1066 MHz
PC3-10600 1333 MHz
Bandwidth Speed in MHz
PC3-12800 1600 MHz
PC3-14900 1866 MHz
PC3-16000 2000 MHz
PC3-17000 2133 MHz
PC3-17066 2133 MHz
PC3-19200 2400 MHz
PC3-21300 2666 MHz
PC3-22400 2800 MHz
Bandwidth Speed in MHz
PC4-12800 1600 MHz
PC4-14900 1866.67 MHz
PC4-17000 2133.33 MHz
PC4-19200 2400 MHz
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CasB

3 Comments
  1. Diana Williams

    convert gddr3-1333 128mx8 1.5 ep gu512303ep0202 for me… i need a replacement RAM for this in 8gb size

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  2. A.G. Hathaway

    Thanks! I’ve been looking all over the internet for this. So, is the PC-XXXX close to the actual bandwidth of the RAM module?

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    • CasB

      Yes.

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