What is PC3-12800U Vs PC3-12800E

welner

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Jul 20, 2016
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"U" = unbuffered non ECC --- "E"= unbuffered ECC (not reg) "

Are you saying that both are non ECC but U is registered ...

Or that both of these are basicly the same ... Which is better for a home PC ...
 

Samer1970

Admirable
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Buffered and registered are the same thing

E stands for ECC (error correcting)

R stands for Registered .

U is not ECC and not registered

to use ECC you will need a Chipset (motherboard) and CPU that supports it .

for most home use you dont need ECC memory , unless you are using it for scientific calculations/programs that needs ECC ...

you can read here :

https://en.wikipedia.org/wiki/ECC_memory