The specifications for DDR2 memory modules are developed and approved by JEDEC. JEDEC is the semiconductor standardization body
of the Electronic Industries Alliance (EIA). About 300 member companies representing every segment of the industry actively
participate to develop standards to meet the industry needs. Kingston is a long-time member of JEDEC and is active on the JEDEC
Board of Directors as well as a number of memory technology committees.
Memory Speed
Memory Chip Classification
Module Classification
Module Bandwidth
Dual-Channel DDR2 System Bandwidth
400MHz
DDR2-400
PC2-3200
3.2 GB/s
6.4 GB/s
533MHz
DDR2-533
PC2-4200
4.2 GB/s
8.4 GB/s
667MHz
DDR2-667
PC2-5300
5.3 GB/s
10.6 GB/s
800MHz
DDR2-800
PC2-6400
6.4 GB/s
12.8 GB/s
DDR2 naming conventions are similar to DDR's. Unlike DDR, DDR2 can be mass-produced in speeds in excess of 400MHz, thereby delivering increased
system performance.
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