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Subject:	Re: RAM specs
From:	"Hachmeyer, Mr. Paul S." <[log in to unmask]>
Reply To:	Personal Computer Hardware discussion List <[log in to unmask]>
Date:	Mon, 29 Nov 2010 15:40:43 +0000
Content-Type:	text/plain
Parts/Attachments:	text/plain (38 lines)

Peter,
Did you check specs for other brands?  I haven't messed with ram lately, but I have several sticks of old stuff,  DDR PC3200 where the manufacturers had different timings for basic 512 or 1024 mb ram.  I figured that's why they suggest replacing memory in pairs, because they are not always the same...
Paul Hachmeyer 

-----Original Message-----
From: Personal Computer Hardware discussion List [mailto:[log in to unmask]] On Behalf Of Peter Shkabara
Sent: Sunday, November 28, 2010 5:08 PM
To: [log in to unmask]
Subject: [PCBUILD] RAM specs

I thought I understood RAM, but I find myself confused now. Looking at two 240-pin DDR3 SDRAM specs.

RAM 1: rated as DDR3 1066 with timing of 7-7-7-18

RAM 2: rated as DDR3 1600 with timing of 7-8-7-24

What I don't understand is why RAM 2 has a faster clock interface (1600MHz), but its timing is slower! Which will be faster in a system? Any explanation or pointer to references will help. Thank you.

Peter Shkabara

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