Question Sandisk Plus vs Samsung evo 870

[Wing901]

Which one lasts longer? I think Sandisk will last longer becasue it is a MLC but no sure.

 

[hotaru.hino]

If by longevity you mean flash write endurance, it doesn't matter. Unless you're literally writing an entire capacity's worth of data every hour, something else on the drive is more likely to croak than the flash running out of write cycles.

I've yet to meet anyone who's wore out a flash drive through normal, consumer-based usage. I mean, to put in another perspective, assuming TLC has a write cycle count of 1000, for a 1TB drive and assuming perfect wear leveling, you'd need to write 1,000 TB to the drive. On my OS drives I've clocked in maybe 1.5-2TB per year. But even if my memory is fuzzy on this and it's really 5TB per year, that the flash on it is going to last 200 freaking years. Even if we go with the lower end on what a Google search tells me at 500 write cycles, that's still 100 years.

So unless you've unlocked the formula for long life and are using it, this is nothing to worry about.

 

[USAFRet]

Which one lasts longer? I think Sandisk will last longer becasue it is a MLC but no sure.

For the single device you have, no one can know.
Any device can die at any moment.

For overall write status, in normal consumer use, you will never use it enough to run out of write cycles.

 

[Wing901]

If by longevity you mean flash write endurance, it doesn't matter. Unless you're literally writing an entire capacity's worth of data every hour, something else on the drive is more likely to croak than the flash running out of write cycles.

I've yet to meet anyone who's wore out a flash drive through normal, consumer-based usage. I mean, to put in another perspective, assuming TLC has a write cycle count of 1000, for a 1TB drive and assuming perfect wear leveling, you'd need to write 1,000 TB to the drive. On my OS drives I've clocked in maybe 1.5-2TB per year. But even if my memory is fuzzy on this and it's really 5TB per year, that the flash on it is going to last 200 freaking years. Even if we go with the lower end on what a Google search tells me at 500 write cycles, that's still 100 years.

So unless you've unlocked the formula for long life and are using it, this is nothing to worry about.

Thanks. I think I need to stop buying any SSDs when they are on sale.

 

[Wing901]

For the single device you have, no one can know.
Any device can die at any moment.

For overall write status, in normal consumer use, you will never use it enough to run out of write cycles.

I asked this question because my enterprise Toshiba 1tb SSD's health status decreased 2% in a month without frequently read/write. The harddisks take all the data read/write jobs. My compute is running 7/24, and shutdown once in a while for cleaning out the dust.

 

[USAFRet]

I asked this question because my enterprise Toshiba 1tb SSD's health status decreased 2% in a month without frequently read/write. The harddisks take all the data read/write jobs. My compute is running 7/24, and shutdown once in a while for cleaning out the dust.

This is a new device?

The first few weeks of a drives life, there are many more write cycles than what happens later.

You can't extrapolate "2% per month" out into overall longevity.

 

[hotaru.hino]

I asked this question because my enterprise Toshiba 1tb SSD's health status decreased 2% in a month without frequently read/write. The harddisks take all the data read/write jobs. My compute is running 7/24, and shutdown once in a while for cleaning out the dust.

And has it decreased in health at that rate since or has it remained where its been?

An instantaneous change may not matter so much as rate of change over time.

 

[Wing901]

This is a new device?

The first few weeks of a drives life, there are many more write cycles than what happens later.

You can't extrapolate "2% per month" out into overall longevity.

Not new. I took it from another computer. to replace the broken harddisk After that its health status decreased a little bit faster

 

[Wing901]

And has it decreased in health at that rate since or has it remained where its been?

An instantaneous change may not matter so much as rate of change over time.

Just recently or since the computer is running 7/24.

 

[hotaru.hino]

Just recently or since the computer is running 7/24.

Come back in a few weeks and see if it's getting worse. If it doesn't change, then it's likely fine.

If you're worried about any data loss though, you should have a back up plan already in place to cover this.

 

[Wing901]

Come back in a few weeks and see if it's getting worse. If it doesn't change, then it's likely fine.

If you're worried about any data loss though, you should have a back up plan already in place to cover this.

Thanks. I won't save any important files in it.