[SOLVED] SSDs

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PaulDesmond

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Jun 25, 2016
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Hi, I have 2 SSDs in my computer and I needed more storage. I came across larger SSDs 1T and 2T. This seem better. However I am seing 1TB QVO 870. I don't undersand this is it a beter faster SSD or something.

Any help in this area please?
 
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PaulDesmond said:
Hi, I have 2 SSDs in my computer and I needed more storage. I came across larger SSDs 1T and 2T. This seem better. However I am seing 1TB QVO 870. I don't undersand this is it a beter faster SSD or something.

Any help in this area please?
Click to expand...
Still SATA III, just larger.
Performs about the same as other SATA III drives.

However, I'd go with the 860 EVO rather than the 870 QVO.
Slightly better sustained performance.
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PaulDesmond said:
Hi, I have 2 SSDs in my computer and I needed more storage. I came across larger SSDs 1T and 2T. This seem better. However I am seing 1TB QVO 870. I don't undersand this is it a beter faster SSD or something.

Any help in this area please?
Click to expand...
Still SATA III, just larger.
Performs about the same as other SATA III drives.

However, I'd go with the 860 EVO rather than the 870 QVO.
Slightly better sustained performance.
 
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Solution
for basic storage, you can't beat the good old spinning hdd's. it gets written once and read infrequently, which does not need the speed/cost of an ssd.

unless you are reading the data often and need the speed, you're spending more money than needed really. even streaming video does not need the speed of an ssd.
 
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I have had problems with old mechanical hard disks. They can where out. Check out spinwrites documentation. head creaping moving into bad sectors etc. SSD dosn't where out that O know of. Not sure about a speed test comarison between them.

I am still on Sata 2 (I think M5A78L-M-USB3) but I don't do heavy usage like video or photoshop editing.

Are these difrebt SSDs (for my computer) better than my standard Sandisk SSD? They are both 500G and not sure whether a 1T would be better value for money. It takes me a lot to fill up a 500g anyway. QVO 870 seems more expensive.

To complecate even further there is an EVO

and on ebay I am seing USB3.0 External SSD and these are half the price as the internals and don't needto buy a carage and it is very small. could have loads of them.
 
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As local intermediate storage with rare writes QVO works just fine. Reading only does not make SSD lifespan worse. For frequent writes EVO will last much longer. 1 TB SSD by design will be about 15% faster than same model 500 GB SSD and will last longer too (more space for failed block remapping).

HDDs are fine for archival purpose as well if they mostly are sitting in sleep mode without spinning between using.
 
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I have 2 500g standard SSDs inside. No space for a third. I like to partition these as if Windows does go belly up you keep your data safe. The microsoft idea of C: MyDocuments is daft. would have
C: Windows
D: Documents [Docx,xlsx,jpg etc]
E: installed software
F: copys of instalable dvd software

I feel that i would like a 1T external. This could then be portable to other PCs. Can I format and partition this in the same way.

I tend to use Office mostly and some adobe photoshop and dream weaver for website creation. Othrer than that it is just emailing. I don't need massive storage but my C: partition is showing 10g free of 100g. and that is only windows 7. I think full of MS updates. So a resonably cost efective external SSD.

I have seen on ebay a 4 way USB 3.0 hub. Has power switches on it. Can't think why i would want to turn one of but this could set me up for mass storage and 3 available sockets for flash drives. So any idea based on this please.

and can someone explain the wear and tear of these as I can't understand why something with no moving parts like this should whear out.
 
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SSD wear:

Each 'cell' (memory location) on the drive has a "limited" number of write cycles. It can only change from 1 to 0 so many times, and then it "dies".
While there is a "limit", in practice that is huge.
And, the drive firmware shuffles data around, to even out the usage of the memory locations. So that one does not get "used up".

Like a piece of paper.
Write a 1 on it
Erase that 1
Write a 0
Erase it
Write a 1 again
Repeat a few thousand times.
Eventually, your eraser is going to wear through that piece of paper. That little space is no longer usable.

The firmware shuffles data around between all the memory locations so that this does not happen.

Which one?
This Samsung:
https://www.amazon.com/Samsung-T5-Portable-SSD-MU-PA1T0B/dp/B073H552FJ
1TB, $120


Partitioning?
Well, you can't use it for the C drive.
 
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Okay thanks for all your help. The only troubling question now is...

If I have a problem or a freind has trouble with a HDD. I can take it out and put it in as a secondry HDD and then extract the data. It looks like if a SSD fails then everything is lost.
 
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PaulDesmond said:
Okay thanks for all your help. The only troubling question now is...

If I have a problem or a freind has trouble with a HDD. I can take it out and put it in as a secondry HDD and then extract the data. It looks like if a SSD fails then everything is lost.
Click to expand...
With either an SSD or HDD, it depends on the exact nature of the fail. Data is not always recoverable from a failed HDD.
For an external device, SSD's are more resistant to knocks. Falling off the desk, for instance.


And, no matter what type of device...backups are your friend.
 
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PaulDesmond said:
But if it eventualy fails!
Click to expand...
We humans have not yet devised a storage device that will "never fail".

And that is why you have a backup of the data.
No data should be held on only one device. No mater the type.

I had an SSD fail. Totally dead. 100% recovery from the backup.
I also had an HDD die. Also totally dead. Went from seemingly great to unresponsive within about 36 hours. Dead. Again, a backup saved the data.
 
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