Name of SSD (Solid State Drive) may have started often heard our ears, especially the presence of an increasingly popular Ultrabook platform helped boost the popularity of SSDs as a storage medium.
SSD itself is a chip-based storage media that type of non-volatile Flash memory. What is a non-volatile memory? Non-volatile memory allows the data stored on the SSD is not lost even if power is lost.
While that type violatile will lose data when the power outages, such as memory RAM (Random Access Memory).
Flash-based SSD storage media was first introduced in 1995 taahun by M-Systems and is now starting to be used widely by computer users and the enterprise.
SSDs are now starting to be applied in a thin and light laptops like the MacBook Air and Ultrabook and replace the hard drive as the storage medium.
SSD MLC vs SLC
In general SSD on the market consists of two types, namely SLC (Single Level Cell) and MLC (Multi Level Cell). Both SLC and MLC SSDs manifold each having advantages and disadvantages of each.
SSD uses MLC flash type usually priced cheaper than SLC SSD manifold. MLC-based SSD is capable of storing 3 bits of data so that the cost per gigabyte is cheaper than SLC SSD type.
SLC type SSD are more expensive when compared to SSD MLC types. One of the advantages of SLC type SSD is a data transfer rate is very high, low power consumption and age of higher memory cells.
SLC SSD type is usually used for military purposes, there namunj space missions are also being sold commercially. While MLC SSD type was the most widely sold commercial among regular users.
Solid State Drive (SSD) vs. HDD
The presence of this SSD is expected to soon replace hard drive storage media which is still used by the majority of home users.
Large companies such as Google, Dropbox, Amazon and Facebook have started to adopt SSDs to gradually replace hard drive in the server and their data center.
What are the advantages and disadvantages of Solid State Drive compared to the hard drive? Here are the advantages and disadvantages of SSDs compared to hard drives, quoted from Wikipedia.
- faster access time and low latency, this will make SSD performance is very fast when searching the data.
- Do not make a sound when working, it is because SSDs have no mechanical parts (moving) while working.
- Power consumption is smaller than a conventional hard drive.
- More resistant to shock, vibration and temperature changes.
- SSD has a lighter weight and thinner shape, making it suitable to be used in such thin ultrabook laptop.
- flash-based SSD has a life cycle that the read / write so that its age is estimated to be shorter than the hard drive.
- Prices are more expensive than hard drives in the same capacity. 500GB SSD is currently the range of $ 500 or approximately Rp. 5 Million,
but with money Rp. 3 million only to the hard drive with a capacity of 5x as much, 3TB.
Those that combine an SSD with a hard drive called a hard drive in the form of a hybrid hard drive is equipped SSD to improve the access and speed of data transfer.
Currently there are a variety of commercially available SSD brands like Kingston, Adata, Corsair, OCZ, Samsung and many more. Commercially available SSD capacities ranging from 32GB to 512GB.