Re: SSD TBW

Lawrence D’Oliveiro wrote:
> On Thu, 20 Aug 2026 16:55:09 +0100, mm0fmf wrote:
> 
>> On 20/08/2026 05:42, Lawrence D’Oliveiro wrote:
>>>
>>> So why not divide the TBW by the actual capacity of the drive? Then
>>> you end up with a ratio of how much can be written in total, to the
>>> drive capacity -- call it, say, the “cumulative write ratio”.
>>>
>>> That number, it seems to me, correlates better to the overall quality
>>> of the unit than TBW does.
>>
>> When I compare my NVME drive endurance for a 2TB device, it is quoted as
>> being 1200TBW and the 1TB version is quoted as 600TBW.
> 
> There you go -- both drives have a cumulative write ratio of 600.

That says it all. I don't think much of your new measure, I'm afraid. 
What does more memory have anything to do with more TBW? The "standard" 
is fine as it is. Are you saying that users with larger hard drives are 
more thorough & use their drives more often? That sounds fairly 
unlikely. The only consideration here, I guess I'll give you that, is if 
the sector size increases somewhat proportionally to the disk size, 
which is not the case in general.