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Re: solid state storage device with USB type-A plug for use as OS drive (was Re: Installation "Bullseye")



On 2/11/22 05:30, Dan Ritter wrote:
Stefan Monnier wrote:
David Christensen [2022-02-10 18:22:46] wrote:
On 2/10/22 01:37, Andrew M.A. Cater wrote:
What's high-endurance in your terms?
I am unable to find manufacturer specifications to quantify what "high
endurance" means, but I do own a 128 GB SanDisk High Endurance microSD card
and that is where I heard the phrase:

But you said you wanted high-endurance, so presumably you have some idea
of what you mean by that?
Otherwise it would sound like you just want to check someone
else's buzzwords.

The relevant stat is the total data written specification. It's
usually in "terabytes written".

For a 1 TB SSD, 300TBW is bad. 600 is pretty bad. 1200 is okay
for a desktop. 1800 is reasonable for some server applications.

A Seagate Firecuda 520 specifies 1800.

An XPG Gammix specifies 740.

A Micron 9300 MAX is about 10,000.

-dsr-


Thank you for providing engineering data that demonstrates the "endurance" of various products.


Unfortunately, such specifications are not available for every flash, solid-state, etc., storage device that can be accessed via a USB Type A connector (directly, or indirectly via an adapter).


David



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