Hdd has the advantage in $ per GB. SSD has the advantage in speed per GB
and physical space.

M.2 is even more in this.

On Fri, Sep 16, 2022 at 3:20 PM T Zack Crawford via PLUG-discuss <
plug-discuss@lists.phxlinux.org> wrote:

> SSD is more expensive but faster. M.2 SSDs even moreso. SSDs can have
> sectors go bad if you rewrite over the same spot multiple times. With SSDs,
> you should "trim" or clean up when files are deleted. Not 100% sure about
> SSDs, but data will start to corrupt over time on an HDD (scale ~2 years)
> because of the strength of the magnetics of the particular portion of the
> drive decay over time. You can mediate this by dd-ing the drive onto itself
> periodically. HDDs are fragile to being knocked (magnetics and motor). If
> you want to archive data for a long time, I suggest you look into optical
> (100s of years but limited space) or tape e.g. LTO. LTO is good for ~15
> years with optimal storage conditions and is very cheap per TB if you
> already own a drive. Although transfer rate is slow and data is sequential.
> I own an LTO4 drive bought off ebay and tapes are ~20$ for 800GB. Optical
> and SSD is best for mobility. I often buy 2.5" drives and connect with SATA
> --> USB 3.0 which can be faster than a 5400rpm internal SSD directly wired
> sata to motherboard.
>
> Sep 16, 2022 12:08:52 Michael via PLUG-discuss <
> plug-discuss@lists.phxlinux.org>:
>
> Which is bette, and SSD or HDD?
> Which is more reliable? What is the downside of a SSD?
>
> --
> :-)~MIKE~(-:
>
> ---------------------------------------------------
> PLUG-discuss mailing list: PLUG-discuss@lists.phxlinux.org
> To subscribe, unsubscribe, or to change your mail settings:
> https://lists.phxlinux.org/mailman/listinfo/plug-discuss



-- 
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen