Tuesday, 26 September 2017
Both Solid State Drive (SSD) and Hard Disk Drive (HDD) do the same job, they boot your system and store applications and personal files. However, each has its own unique feature set. So what’s the difference between the two and which one would be the best to go for?
The traditional spinning Hard Disk Drive is the basic non-volatile storage on a computer. It is essentially a metal platter with a magnetic coating that stores your data. However, Solid State Drive data is stored on flash memory chips that retain the data even where there is no power present.
In the last few years, the capacity power of SSDs has been increasing at an exponential rate. The multiple stacking methodologies of flash cells has grown capacity by around 256 times, the same growth that took several decades for HDD to achieve.
Looking at costs, SSDs are more expensive than hard drives in terms of pound per gigabyte. A 500GB internal 2.5-inch hard drive costs around £79 + VAT and an SSD of the same capacity is around £220. That translates into 16p per gigabyte for the hard drive and 44p per gigabyte for the SSD. Since hard drives use older, more established technology, they will remain less expensive for the near future.
Some other key points of SSDs include:
According to PC Mag (uk.pcmag.com) they break it down to:
In summary, Hard Disk Drive win on price, capacity, and availability. SSDs work best if speed, ruggedness, form factor, noise, or fragmentation (technically part of speed) are important factors to you. We see that the price of SSDs is coming down, but they may still be too expensive to totally replace the terabytes of data that some users have in their PCs and laptops. Apart from the price and capacity issues, SSDs would be the hands-down winner.
To find out more on which would suit your needs the best, speak to us at BCC IT on 01239 710 823.
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