What does solid state drive mean?

Solid state disk (SSD) is a new type of computer storage device. It uses flash memory chip as the storage medium. Compared with traditional mechanical hard disk, SSD has faster read and write speed, lower energy consumption and higher stability. In the field of computer storage, solid state drives have gradually become the mainstream products.

Features of solid state drives
1. Fast read and write: The read and write speed of SSDS is much faster than that of traditional mechanical hard disks, especially when a large number of small files are read and write. The advantage of SSDS is more obvious.

2. Low Power consumption: SSDS have no mechanical parts, so they consume less power than traditional mechanical hard drives.

3. High stability: SSDS have very few mechanical parts, so they don't have the problems that traditional hard drives are prone to crash or vibration damage.

The advantages of solid state drives make them widely used in many fields, such as: personal computers, servers, mobile devices, and so on. Moreover, with the continuous development of technology and the decline of hardware cost, the price of solid-state disk is also getting lower and lower, so that it is more favored by users.

Solid-state hard drives compared to traditional mechanical hard drives:
1. Speed: The reading speed of solid state drives can reach more than 500MB/s, while the reading speed of mechanical hard drives is generally around 100MB/s, which means that solid state drives are faster and less responsive when starting the system and opening applications.

2. Power consumption: SSDS use flash memory chips to store data and do not require mechanical parts for rotation and addressing, so they use less power.

3. Noise: While mechanical hard drives require mechanical components to rotate and address, they are relatively noisy, whereas solid state drives don't have this problem at all and are quieter.

4. Seismic resistance: Mechanical hard drives have relatively poor seismic performance due to the presence of mechanical parts, while solid state drives have better seismic performance due to the absence of mechanical parts.

5. Reliability: Mechanical hard disks are prone to damage due to the existence of mechanical parts and the risk of data loss is relatively high, while solid state hard disks are more reliable. There are no mechanical parts and the data will not be lost due to the damage of mechanical parts.

Solid state disk related information
1. SSD Price and Brand:

SSD prices and brands vary greatly, there are many brands of SSD on the market, such as Samsung, Intel, Western Digital, Hikvision, etc., the price is also falling.

2. Service life of solid state disk:

The service life of a solid-state drive mainly depends on the service life of its memory chip. Generally speaking, the service life of a solid-state drive can reach 3-5 years or even longer, while the service life of a mechanical hard drive is relatively short because mechanical parts need to be replaced.

3. SSD capacity:

The capacity of solid-state drives is also increasing. There are a variety of solid-state drives available on the market, such as 128GB, 256GB, 512GB, and 1TB.

Extended data
The read/write speed of SSDS is mainly affected by two factors: the flash memory chip of the storage medium and the controller chip. At present, the storage media used by solid-state drives in the market are mainly divided into SLC, MLC, TLC and QLC, among which QLC is the latest one, which has higher storage density, but also has higher requirements on the controller chip. The controller chip is the determinant of SSD read/write speed. Common controller chip manufacturers include Silj, Microsoft, and Intel.