What are the difference between the SSD and ordinary hard disk

SSD shop goods already has a very long time, but now we are still the mainstream installed to choose the traditional mechanical drive, while for solid-state drives most appeared in the high-end configuration installed, the current SSD capacity is small, the price is high, thus led to the current mainstream users choose the less, but with the development of technology, solid-state drives gradually become the mainstream trend. Let’s introduce the benefits of solid state drives and solid state drives and the difference between ordinary hard disk.

• The benefits of solid state drives

Talking about the benefits of SSD, first flush the when is faster than the ordinary hard disk speed, through the test we can find that SSD read speed is nearly 2 times the ordinary hard disk. Other solid-state drives more stable without noise, etc. ​

• Solid-state drives compared with ordinary hard disk has the following advantages

1. Start fast, no motor rotate faster process.
2. Don’t head, random read fast, read little delay. According to the relevant test: under the same configuration of the computer, two computers with SSD laptop from boot to a desktop just 18 seconds altogether, and carry the traditional hard disk laptop with a total of 31 seconds, almost nearly half of the gap between the two.
3. Read the time of relatively fixed. Due to the addressing time has nothing to do with the data storage location, so the disk fragments will not affect the reading time.
4. Based on solid state hard disk write speed of DRAM.
5. No noise. Because there is no mechanical motor and fan, working noise value is 0 db. Some high-end products or with large capacity fan, so still can produce noise.
6. Low volume of flash memory based SSD low power consumption and heat output under working state, but high-end or large energy consumption capacity of the product will be higher.
7. Inside there are no mechanical moving parts, no mechanical problems, not afraid of the collision, impact, vibration. So even in the case of high-speed mobile even with flip tilt also won’t affect the normal use, and on a laptop accident fall or collision with hard objects to minimize the possibility of data loss.
8. Working temperature range is bigger. A typical hard drive can only work within the scope of 5 to 55 degrees Celsius. While most of the SSD can work in – 10 ~ 70 degrees Celsius, some industrial solid-state drives can also be in – 40 ~ 85 degrees Celsius, even larger work under the temperature range.
9. Than with low capacity of SSD hard disk capacity of small volume, light weight. But this advantage with the increase of capacity and gradually weakened. Until the 256 gb solid state drives still lighter than the same capacity of common hard disk.

Matters need attention

Solid-state drives the biggest shortage is expensive, relatively common hard disk, there is no price advantage.

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