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CPU-Z says my PC3-10600 1333MHz RAM is actually PC3-10700 667MHz. Do I have 1333 or 667 MHz RAM?

Fresh7 days ago
Mar 15, 2026169297 views
Confidence Score0%
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Problem

CPU-Z says this: I am supposed to have PC3-10600 1333MHz. What am I not understanding? Or, is my RAM only half of what the label and seller claims it to be?

Error Output

DDR3
4096 MBytes
PC3-10700 (667 MHz)

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1 Fix

Canonical Fix
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New Fix – Awaiting Verification

Fix for: CPU-Z says my PC3-10600 1333MHz RAM is actually PC3-10700 667MHz. Do I have 1333 or 667 MHz RAM?

Low Risk

You have 1333 DDR (Double Data Rate) RAM. The RAM itself runs at 666MHz, but because it is "double pumped" its equivalent data rate is twice that, hence 1333MHz.

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