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Windows 7: Memory compatibility problems

07 May 2011   #1

Windows 7 Home Premium X64
Memory compatibility problems

I ordered a pair of 1 GB PC3200 DDR400 sticks and they sent me a pair that say
MDD400 128X64. These are not compatible with either of my 2 machines running Windows 7 64.

What's the difference?

My System SpecsSystem Spec

07 May 2011   #2

Windows 7 Pro X64 SP1

I've not seen it before, but MDDR is mobile DDR.128X16 implies that it's a high density format as well.

I doubt that it's compatible with most desktop PCs.
My System SpecsSystem Spec

 Memory compatibility problems

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