Memory speed and bandwidth conversion table 2019 edition

RAM Modules

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:

DDR

Bandwidth Speed
PC2100 266 MHz
PC2700 333 MHz
PC3200 400 MHz

DDR2

BandwidthSpeed
PC2-3200 400 MHz
PC2-4200 533 MHz
PC2-5300 667 MHz
PC2-6400 800 MHz
PC2-7200 1066 MHz
PC2-8500 1066 MHz

DDR3

BandwidthSpeed
PC3-10600 1333 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

DDR4

BandwidthSpeed
PC4-128001600 MHz
PC4-149001866.67 MHz
PC4-170002133.33 MHz
PC4-192002400 MHz
PC4-213332666 MHz
PC4-234662933 Mhz
PC4-25600 3200 MHz

DDR5

Coming soon…

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