Hard drive is the computer's storage devices: hard disk divided into mechanical hard drives and solid state drives
Notebook hard drive interface: SATA 3.0 SATA 2.0 mSATA M.2 / NGFF
Varying the speed of the interface speed: M.2> mSATA> SATA 2.0> SATA 3.0
Mechanical hard drives and solid state drives are the similarities and differences and slightly superior
Mechanical hard drives: SSDs compared to heavier; read and write more slowly, life expectancy is shorter than the solid state; a lower degree of mechanical hard drive against accidental
Advantage is cheap compared to the solid state drive; a relatively large capacity; easier data recovery
SSD: relatively light weight; read faster; relatively long life;
But SSDs are more expensive and smaller capacity; only the office, then 128G is enough, if you play the big game, then you need a bigger SSDs
SSDs selection:
1: First, we should first determine the computer interface that is (hard disk interface) and select the optimal interface
2: Select the solid Manufacturer: for example: Samsung west Intel may Baidu search rankings have
3: Look flash memory (NAND): Flash memory type: SLC MLC TLC (MLC on the market mostly types)
SLC is the fastest, longest life expectancy course, prices are more beautiful
MLC speed, followed by longer life expectancy mainstream price
TLC slowest shorter life expectancy relatively cheap
4: See write speed: writing speed is stored elsewhere in the computer that is opposite to the reading
Write speed: 300M (slower) 800M (mainstream) 1500 (faster)
Read speed: 500M (slower) 1000M (mainstream) 3200M (faster)