Technology - Computer - Explantation of SSD - SSD stands for Solid State Drive or Solid State Disk, is a data storage device that uses a series of ICs as memory used to store data or information.
As an analogy, we may be familiar with USB Flash Drives or USB Thumb Drives or USB memory sticks. An electronic device that we use to store data, which we often carry everywhere, which is plugged into the computer's USB terminal when we want to retrieve or save data.
SSD can be considered an advanced version of a USB Flash drive with a much larger capacity and functions as a replacement for the hard disk that is currently used in computer devices . So an SSD is an electronic device that functions to store data like a hard disk (HDD: Hard Disk Drive) but its construction is like a USB Flash Drive, which is composed of several ICs as memory.
Like USB Flash Drives, SSDs do not have moving components inside them. Data or information is only stored in microchips. This is different from a hard disk which has a mechanical arm that moves back and forth to write and read data on the magnetic disk. This difference makes SSDs work much faster than hard disks.
The hard disk (HDD) moves mechanically to retrieve and store data or information, while the SSD moves electrically to store and retrieve data or information. Of course SSD works faster than HDD.
SSD COMPONENTS
Generally SSDs use what is called NAND-based flash memory. This is a type of Non-Volatile memory. Simply put, Non-Volatile means that the memory can still store data even if the supply voltage is turned off. This is the basic principle of permanent memory such as a USB Flash drive.
At first, many doubted the durability of data stored in this type of memory. They think data can only be stored for a few years. Data will disappear if stored any longer. However, in reality this is not the case, especially with the latest technology. Data can even be stored safely for up to 200 years. The following is an example of a Samsung brand SSD.
SATA HARD DISK (Serial Advanced Technology Attachment)
SATA was developed as a new design to completely replace ATA. This type uses a 15 pin 240 mv power cable, which of course requires more power usage. Even so, SATA has a speed of 150 MB/sec. With this you can turn the computer off and on without needing to shut down because of its hot-swap capability.
But SATA also has weaknesses in its installation because not all operating systems are familiar with it, such as Windows 95 or 98. It requires special drivers, such as Windows XP. But of course for now there will be no problems with SATA. Because it's impossible for anyone to still use Windows 85 or 98, amidst current technological advances.
ADDITION
If so far the hard disks that are commonly used have mechanical parts in them, then SSDs are equipped with technology such as USB drives or computer memory. This type began to spread to the market when Intel SSDs collaborated with Kingston, a factory from Taiwan. It is predicted that in the future more people will use this type considering the many advantages it has.
SSDs have the advantage of being light in weight, because they are only around 50 percent the weight of a hard disk. SSD also doesn't consume too much battery power because it only requires 10 percent of the hard disk power. Apart from that, searching and transferring files is very fast without indexing.
Despite its advantages, SSDs are considered expensive because the price per byte is up to 10 times the price per byte of a hard disk. The memory capacity is also quite small. This is very unfortunate considering that the existence of SSDs is really needed by many people.
Hope it is useful.
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