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Memory Question

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  • #39594
    Participant
    Memory Question 2Jukebox
    @jukebox

    Hi All. Happy New Year. My desktop PC has at present one 4GB ram stick which shows up on HWinfo as PC3-12800. I have now obtained another 4GB module which is marked PC3-12800U. I haven’t been able to find out what the ‘U’ signifies so am not sure whether it’s OK to put it in the spare slot. Can anyone help please? Cheers, John

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  • #39595
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    Memory Question 3keith with the teef
    @thinktank
    Forumite Points: 2,559
    #39692
    Participant
    Memory Question 2Jukebox
    @jukebox
    Forumite Points: 485

    Thanks Keith.

     

    #39693
    Participant
    Memory Question 5Wheels-Of-Fire
    @grahamdearsley
    Forumite Points: 5,790

    Yep, you have to go out of your way to get buffered memory.

    Just in case you didn’t know, PC3 12800 memory is also sold as DDR3 1600.

    The transfer speed works out as base clock of 800Mhz, X2 because its DDR and X8 because the 64 bit bus is 8 bytes wide so 12800 Mbs.

    #39694
    Participant
    Memory Question 5Wheels-Of-Fire
    @grahamdearsley
    Forumite Points: 5,790

    Sorry MBs 😁

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