Subj : Re: TF cards v MicroSD
To   : nev young
From : David Taylor
Date : Wed May 22 2024 08:31:26

On 22/05/2024 08:10, nev young wrote:
> Both bought from, and returned to Amazon.
> and yes, of course, they could be fakes.
>
> these :
> https://www.amazon.co.uk/dp/B0BLSDMRSW?psc=1&ref=ppx_yo2ov_dt_b_product_details
>
> and these:
> http://nevilley.org.uk/tmp/Untitled.png
>
> All of these cards do work and store the advertised amount of data.
> Using Raspi imager as well as Linux program Disks to write/read/verify
> 64Gb images and run benchmarks, which do work but show very low
> read/write speeds. (~9Mb/s).

No chance the exFAT format is the problem?
I've never used more than 32 GB cards.
The slow speed is implied in the spec.

I usually use SanDisk.

David
--
Cheers,
David
Web: https://www.satsignal.eu

--- SoupGate-Win32 v1.05
 * Origin: Agency HUB, Dunedin - New Zealand | Fido<>Usenet Gateway (3:770/3)

.