Re: A question about ssd and harddrives
SSD's generally last longer, but I think the point that was being made was that they give out with no prior warning that might give you time to back things up, which is generally true; and while I don't know much about the science behind it, I do know that it's because of how optical flash memory works opposed to actual magnetic writing.
HDD's tend to give you more leeway, because you usually notice a slow decrease in responsiveness, while at the same time you can hear the drive working harder physically, and you sometimes even get read/write, access, and Windows full stop errors along the way.
Still, as a user it isn't that hard to avoid these problems with a bit of common sense, if you take into account how often and for how long the drive is used, how large the typical load of written data is, and weather it's average temperature is close to the upper or lower limits of the stated minimum and maximum from the manufacturer.
The
average user's SSD is probably going to last a good 7 to 10 years, as long as it isn't a cheap piece of crap from an off brand, and using it longer than that is a personally undertaken risk.
Also, in terms of speed, it's all about the IOPS baby, or KIOPS if your going by thousands, which stands for input output operations per second, in other words, how fast your drive can read and write the tiny, 4KB and under files that your system is constantly passing back and forth to run it's self, weather it's loading the system, opening programs, or even just flipping rapidly through the pages of a large document.
Anything over 40000 IOPS, 40 KIOPS Read and Write is going to give the user a far snappier experience all around.
Of course, if we're talking strictly about how fast you can move files from 1 part of the drive to another, or on and off of the drive via the internet or removable media, it's about sequential Read/Write,
limited by the interface between it and your motherboard, weather it be Serial ATA 3.0, M2, or PCE 3.0.
Anything over 150MBPS is probably going to make most people happy, especially those still using USB2.0, since most external HDD's are also limited to that speed do to being mechanical, even if using USB3.0.
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