Each buyer has different needs and you need to evaluate decisions based on the needs and of course budget. Each has advantages and disadvantages, the following differences between SSD and HDD:
HDD
HDD or Hard Disk Drive is a nonvolatile storage on the computer base. That is, the data will not be lost even if the Notebook is turned off, as diverse as data on the system memory, or RAM. HDD is basically a metal platters with a magnetic coating. Layers that hold the various files and data. Head accessing data when the spinning platters in a hard drive.SSD
SSD has the same functionality as HDD, but instead of using the magnetic layer above the platters, data is stored on a flash memory chip interconnected retain data even when the Notebook is turned off. This chip can be installed permanently on the motherboard such as the small Notebooks and ultrabooks, the card is a PCI / PCIe on some types of workstations, or in a box with the size, shape and the same port with the HDD. The type and speed of flash memory chip is different from the flash memory in USB drive or flash. The flash memory in the SSD is faster and more reliable than the flash memory in USB flash. SSD is more expensive than a USB flash drive with the same capacity.A common SSDs use NAND-based flash memory which is a type of non-volatile memory. During the early SSD released, there are rumors that the stored data will fade and disappear after a few years. However, this rumor seems indisputable with today's technology, because you can read and write to the SSD throughout the day and the integrity of data storage will be retained for more than 200 years. In other words, the life of the SSD is much longer than your age.
Advantages and Disadvantages of HDD and SSD
Between SSD and HDD have the same function, namely booting the system, save the application and your personal files. But each storage type has unique features. The question is, what's the difference and why we need consideration before purchasing?
1.Price
In terms of the price of SSD is more expensive than HDDs. For capacity and SSD prices are the same shape can be 2 times the price of HDD. Because older HDD and a proven technology, the price would still be cheaper in the near future.
2.Capacity
An SSD unit can store up to 4TB, but still very rare and expensive. You'll find a lot more size SSD 32GB, 128GB, 500GB up to 1TB of system standards. Over time, the file that we save is likely to increase. Users multimedia and graphic design professionals will need more capacity. From here may HDD slightly superior.
3.Speed
The speed factor is where SSD is superior. A PC or laptop with SSD capable of booting the system in seconds. An HDD takes longer to booting addition to operating specifications, and will continue to become increasingly slower than the SSD during normal use. A laptop with SSD can run faster, open the application more quickly, and has a faster overall performance. For various purposes, the speed may be a significant difference.
4.Fragmentation
Because it uses a rotating disc, HDD surfaces work better if a larger file is located in the adjacent block. In this way the drive head can start and end the process of reading in one continuous motion. When HDD start filled with a variety of files, large files can be scattered over the disk blocks away, which is known as fragmentation. Conversely, SSD does not care where the data is stored on the chip, because there is no head that moves physically. Thus, the SSD is inherently faster.
5.Durability
Because SSDs have no mechanical moving parts, making it possible to store data more secure even though shaken or dropped during operation. Most HDD will put the head in a safe position when the system is shut down, but moves above the disc when in operation. Thus far more risky HDD damaged when shaken hard or fall off during use.
6.Dimensions and Size
Because the HDD rely on the rotating disc, there is a limit to how small can be produced. There is an initiative to create smaller HDDs spinning at 1.8 inches, but stalled at around 320GB, for tablet and smartphone manufacturers prefer flash memory for primary storage. SSDs have no size limitations, so it can get smaller over time. SSDs are available in sizes 2.5 laptop "in general. As laptops become leaner and tablets start to take over the primary platform, the use of SSD will rise sharply.
7.Sound
Even high-quality HDD will still emits little noise when being used on a rotating disc or moving arm reads the data, especially if it is in a system with many programs running. HDD at high speed will also make more noise than slower. While SSD is almost no sound at all, because there are no mechanical moving parts.
If you notice, the HDD is superior in terms of price, capacity, and availability. SSD work is superior in terms of speed, endurance, dimensions and shapes, the resulting noise pollution, and fragmentation.
Along with the development of technology today, some manufacturers launched a laptop that included a SSD and HDD. SSD is used exclusively as a system with the aim that the faster the device performance, while the HDD is used because of its advantages in terms of capacity. In addition there is a technology called hybrid drives (also known as the SSHD) which is the logical or physical storage media that incorporates NAND flash technology in SSD with hard disk drive HDD.
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While it is true that the SSD can be worn from time to time (every cell in the flash memory has a maximum number of how many times it can be written and erased), but with the technology TRIM is in SSD that dynamically optimize the cycles of read / write, enabling durability SSD longer. There may be exceptions on specific user, such as a video editor that reads and writes data on an ongoing basis which also requires a larger capacity. HDD will also eventually wear out with constant use for using read / write physical.
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