[kwlug-disc] SSD life

[William Park]

33TB over 9years --> 150TB over 40years.  Long enough, no?

I think, Thinkpad X220 + Samsung 850 are good combo oldies.  X220 
supports only SATA, so your upgrade option is bigger size only.  Or, new 
laptop. :-)


On 2026-06-23 00:10, Ron Singh wrote:
> So, here's the stats(from TLP)  on my 9yo 1TB Samsung 850 EVO 2.5" SSD 
> in an ancient TP X220 --
> SMART info:
>     5 Reallocated_Sector_Ct     =        0
>     9 Power_On_Hours            =    21444 [h]
>    12 Power_Cycle_Count         =     3917
>   177 Wear_Leveling_Count       =       98 [%]
>   179 Used_Rsvd_Blk_Cnt_Tot     =        0
>   190 Airflow_Temperature_Cel   =       35 [°C]
>   241 Total_LBAs_Written        =   33.382 [TB]
>
> Only 2-ish % wear after writing 33TB(on my travel laptop that does do 
> it's fair share of YT downloads).
> The implication, assuming linear wear-down, is that it's good for 
> about 1600TBW, which seems unrealistically high as the drive is only 
> rated for some 150TBW(as per data sheet!).
>
> I am not a fan of using these things past 7 years, much less 9+ years.
> It's is bare-metal backed up on a monthly basis with crucial files 
> stored on a mirrored private cloud so a catastrophic failure will not 
> be the end of the world just a few hours of an image restore and 
> re-syncing cloud-y files.
>
> What would you do? Would you rip/replace? Would you just let it be 
> considering the silly prices on SSDs these days?
> 2 days ago, I had to get 2 of a Samsung 4TB NVMe beast with DRAM Cache 
> in them and paying $1850 each almost made me throw up.
>
> /Ron Singh/
>
>
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