are these two modules interchangeable?

[Stephen Partington]

Some laptops and NUC's are single channel or will default to that if they
cannot match for dual channel compatibility.

On Thu, Sep 15, 2022 at 2:07 PM Michael via PLUG-discuss <
plug-discuss at lists.phxlinux.org> wrote:

> interesting. well, I must be one-lucky-dog then! I mis-matched an 8GB and
> a 4GB with no ill effects.
>
> On Wed, Sep 14, 2022 at 6:01 PM Michael Butash via PLUG-discuss <
> plug-discuss at lists.phxlinux.org> wrote:
>
>> I would highly recommend NOT mixing and matching sticks of ram, this has
>> never ended well for me, particularly since most everything is dual-channel
>> configs these days and really need to be paired exactly per bank.  If you
>> do/must, match them up as close as possible in terms of speed, cas/ras
>> latency, etc, or only use the exact same ram down to the model number.
>>
>> I've long ago stopped mixing and matching sticks of ram for weird pc
>> crashes, I always put them in as a set now.  Matched sets by batch are
>> best, or if needing a bunch of sticks for a server, buying a batch of same
>> sticks used of ebay out of the same server has been good to me too, just
>> make sure to run a memtest on them first to make sure they're good if
>> used.
>>
>> Likewise test if using off brand random sticks, they're probably cheap
>> for a reason ie. 2nd rate parts.  These days I only use samsung memory.
>>
>> -mb
>>
>>
>>
>> On Wed, Sep 14, 2022 at 2:34 PM Michael via PLUG-discuss <
>> plug-discuss at lists.phxlinux.org> wrote:
>>
>>> Thanks for the tip!
>>>
>>> On Wed, Sep 14, 2022 at 4:34 PM Stephen Partington <cryptworks at gmail.com>
>>> wrote:
>>>
>>>> if your motherboard/bios is well designed yes, they will run at the
>>>> slower speed. you can even encourage this compatibility by installing the
>>>> slower module in the first memory channel.
>>>>
>>>> On Wed, Sep 14, 2022 at 4:32 PM Michael <bmike1 at gmail.com> wrote:
>>>>
>>>>> Thanks! Does that mean both will be the slower speed?
>>>>>
>>>>> On Wed, Sep 14, 2022 at 3:31 PM Stephen Partington <
>>>>> cryptworks at gmail.com> wrote:
>>>>>
>>>>>> technically yes. but one is faster than the other.
>>>>>>
>>>>>> On Wed, Sep 14, 2022 at 1:57 PM Michael via PLUG-discuss <
>>>>>> plug-discuss at lists.phxlinux.org> wrote:
>>>>>>
>>>>>>> https://www.ebay.com/itm/324592214962
>>>>>>>
>>>>>>> https://www.ebay.com/itm/324588786229?mkevt=1&mkpid=0&emsid=e11050.m43.l1123&mkcid=26&ch=osgood&euid=928c7022651c489a853c83def083a70e&bu=44153278520&osub=-1%7E1&crd=20220913222229&segname=11050
>>>>>>> If they are, how is the more expensive one better?
>>>>>>> --
>>>>>>> :-)~MIKE~(-:
>>>>>>>
>>>>>> ---------------------------------------------------
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>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> A mouse trap, placed on top of your alarm clock, will prevent you
>>>>>> from rolling over and going back to sleep after you hit the snooze button.
>>>>>>
>>>>>> Stephen
>>>>>>
>>>>>> --
>>>>> :-)~MIKE~(-:
>>>>>
>>>>
>>>>
>>>> --
>>>> A mouse trap, placed on top of your alarm clock, will prevent you from
>>>> rolling over and going back to sleep after you hit the snooze button.
>>>>
>>>> Stephen
>>>>
>>>>
>>>
>>> --
>>> :-)~MIKE~(-:
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>>
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>
>
>
> --
> :-)~MIKE~(-:
> ---------------------------------------------------
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-- 
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen
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