Subj : Re: Pi5 M.2 HAT
To   : Andy Burns
From : The Natural Philosopher
Date : Wed Oct 30 2024 09:08:34

On 30/10/2024 08:50, Andy Burns wrote:
> Pancho wrote:
>
>> The official NVMe Pi Hat has been out for months,
>
> Oh, I don't have a Pi5, and though I kept hearing about 3rd party NVMe
> HATs and lack of official one
>
>> I guess I should get one, or maybe an alternative. I just bought a
>> NVMe USB enclosure which has appalling performance
>
> Anyway, is it likely the write speeds are faster than the  read speeds?
> I know some enterprise SSDs come in "read mostly" or "write mostly"
> flavours, but for a Pi?

I can *envisage* a way in which writes are cached in DRAM pending a big
enough chunk to actually erase and write a whole block of data, whilst
reads are happening more or less without caching.


--
Civilization exists by geological consent, subject to change without notice.
  – Will Durant

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