On Fri, Feb 11, 2022, 7:48 AM Dan Ritter <d...@randomstring.org> 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". > The general idea is that EEPROM can sustain a finite number of rewrites before failure. In many (older?) cases the claimed rewrite count was hugely inflated or simply couldn't be maintained in the manufacturing process. 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- > >
