Re: SSD TBW

On Sat, 22 Aug 2026 04:23:16 -0600, Lane W wrote:

> 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.
>
> What does more memory have anything to do with more TBW?

Precisely my point. Why should it mean anything, that the more
capacious device get a higher TBW rating? My rating factors that out.