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HP DIMM memory speed

Trusted Contributor

HP DIMM memory speed

Kim was looking for an explanation on DIMM terminology:




Hi guys


Received the below info from Qspec for a dl380G7. I checked and the same is written  for BL460G7


Why is the 8GB memory module presented as native speed 1066Mhz while looking at the specs further down, it is presented as 1333Mhz… (see yellow spots)


  • HP 8GB (1x8GB) Dual Rank x4 PC3-10600 (DDR3-1333) Registered CAS-9 Memory Kit   500662-B21


Typo or do I misunderstand something?




Todd answered Kim's question:




Good morning

The 10600 is the max DIMM throughput the 1333 is the data rate.




Table 1 : DDR3 Speeds JEDEC Name

Common Name

Bit Data Rate*

Maximum DIMM Throughput



1600 MT/s

12.8 GB/s



1333 MT/s

10.6 GB/s



1066 MT/s

8.5 GB/s



800 MT/s

6.4 GB/s





Other input on this subject?