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That's a good approach. What would be even more interesting is to evaluate how reliable parts are. Spinning hard drives were often the first thing to fail for i

That's a good approach. What would be even more interesting is to evaluate how reliable parts are. Spinning hard drives were often the first thing to fail for instance, due to the mechanical stress. Same thing for ports. Soldered-on RAM and flash, while almost impossible to upgrade, is way more reliable. No vibrations means way less mechanical stress.

simion314 5y ago
>Soldered-on RAM and flash, while almost impossible to upgrade, is way more reliable. It depends, software bugs or different workflow cam cause your storage or battery to fail faster, then you need to throw away the entire device because things are impossible or expensive to repair.
- 908B64B197 5y ago
  Good point.
deleted 5y ago
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ChuckNorris89 5y ago
Flash doesn't fail due to mechanical stress, it fails due to wear cycles which are limited in every case. In every PC or laptop I can replace the flash storge except in the newer devices of the famous fruity manufacturer. And RAM may be reliable but when it's replaceable it means I can upgrade it and use the device for longer instead of having to buy a new device.
- api 5y ago
  I always massively overspec flash. With wear leveling writes cycles are measured in bytes divided by the size of the drive (roughly) so if you typically have about 900gb of data and a 2-4tb drive you will have an extremely long flash life span. You generally don’t want to run flash near full. That shortens it’s life.
- jve 5y ago
  Bring your device to BGA reworker and he can change the chips on board. I really don't like the idea that manufacturers MUST provide easily replaceable parts. That will affect product weight and dimensions. Anyways, repair shops are dealing with chips all the time, so I see no problem of chips being changed, swapped and, if manufacturer provides list of supported RAM chips - those can be changed too.
  - teruakohatu 5y ago
    > That will affect product weight and dimensions. So do emissions standards, and they also effect performance. But as a society we realise we are better off with them than without. Forcing a repairable device reduces waste and is, in my opinion, better for the vast majority of consumers.

simion314 5y ago

>Soldered-on RAM and flash, while almost impossible to upgrade, is way more reliable. It depends, software bugs or different workflow cam cause your storage or battery to fail faster, then you need to throw away the entire device because things are impossible or expensive to repair.

908B64B197 5y ago
Good point.

deleted 5y ago

[deleted]

ChuckNorris89 5y ago

Flash doesn't fail due to mechanical stress, it fails due to wear cycles which are limited in every case. In every PC or laptop I can replace the flash storge except in the newer devices of the famous fruity manufacturer. And RAM may be reliable but when it's replaceable it means I can upgrade it and use the device for longer instead of having to buy a new device.

api 5y ago
I always massively overspec flash. With wear leveling writes cycles are measured in bytes divided by the size of the drive (roughly) so if you typically have about 900gb of data and a 2-4tb drive you will have an extremely long flash life span. You generally don’t want to run flash near full. That shortens it’s life.
jve 5y ago
Bring your device to BGA reworker and he can change the chips on board. I really don't like the idea that manufacturers MUST provide easily replaceable parts. That will affect product weight and dimensions. Anyways, repair shops are dealing with chips all the time, so I see no problem of chips being changed, swapped and, if manufacturer provides list of supported RAM chips - those can be changed too.
- teruakohatu 5y ago
  > That will affect product weight and dimensions. So do emissions standards, and they also effect performance. But as a society we realise we are better off with them than without. Forcing a repairable device reduces waste and is, in my opinion, better for the vast majority of consumers.