How slow are the timings on your DDR4 ECC RAM?

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Krobar

Member
Aug 25, 2012
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Just got some 16GB ECC unbuffered sticks for a new build from Ebay (At least the price was good) and the timings look very slow:
2667 - 19-19-19-43
2400 - 17-17-17-39
2133 - 15-15-15-35

Are DD4 sticks normally on such slow timings? (Last time I looked at this with DDR3 there wasn't that much in it).
 

alex_stief

Well-Known Member
May 31, 2016
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Looks like normal timings to me. What's wrong with them?
Latency measured in cycles has always been increasing with higher frequencies.
 
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Krobar

Member
Aug 25, 2012
54
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Looks like normal timings to me. What's wrong with them?
Latency measured in cycles has always been increasing with higher frequencies.
Thanks. Suppose I've got use to the faster timings even on cheap desktop memory.
 

Tha_14

Server Newbie
Mar 9, 2017
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Fully buffered has even higher timings than the ones you bought, as far as I know.
 

zir_blazer

Active Member
Dec 5, 2016
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Fully buffered has even higher timings than the ones you bought, as far as I know.
Fully Buffered is a incorrect term. FBDIMM existed back in the DDR2 days, they used a different Slot so were physically incompatible with regular DDR2 Motherboards. From DDR3 on, the only ones that I'm aware of are standard Buffered/Registered (RDIMM), and Load Reduced (LRDIMM).
 

Tha_14

Server Newbie
Mar 9, 2017
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Fully Buffered is a incorrect term. FBDIMM existed back in the DDR2 days, they used a different Slot so were physically incompatible with regular DDR2 Motherboards. From DDR3 on, the only ones that I'm aware of are standard Buffered/Registered (RDIMM), and Load Reduced (LRDIMM).
Sorry, I meant buffered.