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From: The Natural Philosopher <tnp@invalid.invalid>
Newsgroups: comp.sys.raspberry-pi
Subject: Re: Pi5 M.2 HAT
Date: Wed, 30 Oct 2024 09:08:34 +0000
Organization: A little, after lunch
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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