How to choose a Hard Drive?

How to choose a Hard Drive?

When it comes to buying computers, more people are keen on DIY. The so-called "DIY machine", the popular saying is the assembly machine, we can choose the various hardware of the computer by ourselves, and assemble a complete computer under the...

When it comes to buying computers, more people are keen on DIY. The so-called "DIY machine", the popular saying is the assembly machine, we can choose the various hardware of the computer by ourselves, and assemble a complete computer under the conditions of meeting compatibility and reasonable matching.

With the continuous development of technology, solid-state hard drives have gradually become the mainstream and trend of purchase, but most of them appear in the installation of high-end configurations, so the mainstream installed computers still cannot lack traditional mechanical hard drives. However, why will solid-state drives become a trend?

  1. The solid-state drive starts quickly, and there is no motor to speed up the rotation process.

  2. The solid-state drive does not use magnetic heads, so it can be read quickly and randomly with minimal read delay; and the write speed of the DRAM-based solid-state drive is very fast

  3. Relatively fixed reading time. Since the addressing time has nothing to do with the storage location of the data, disk fragmentation will not affect the reading time.

  4. There are no mechanical moving parts in the solid state drive, no mechanical failure will occur, and it is not afraid of collision, impact or vibration.

  5. Low-capacity solid-state hard drives are smaller and lighter than hard drives of the same capacity. In addition, it has to be said that too small capacity of the solid state drive is the only drawback. The current mainstream general installation method is to match the system disk with the solid state drive and separate the other mechanical hard drive from the storage.

The four elements of buying

  1. Hard disk brand

Many people first consider the brand when choosing to buy. Which brand is worth buying? That would definitely give priority to well-known big brands, like Seagate, a global hard drive manufacturer, which covers various hard drive businesses of solid state drives, mobile hard drives, mechanical hard drives, and hybrid solid state drives.

  1. Hard disk capacity

Speaking of capacity, the current maximum capacity of mechanical hard drives is 16TB, while solid state drives have no limit. Use the same series of options, the larger the capacity, the faster the speed. The capacity of mechanical hard disk is usually 1T, 2T, 3T, 4T; the capacity of solid-state hard disk S is usually divided into 120G, 240G, 320G, 500G, 1T, 2T, etc.

However, due to the high price of large-capacity solid state drives, in the case of large-capacity storage, it is best to use mechanical hard drives for storage.

  1. Hard disk interface

Mechanical hard disk: SATA3 interface Solid state drive: SATA3 interface, pci-e interface, m.2 interface (242, 2260, 2280) Regarding the hard disk interface, SATA3 has a higher transfer rate and is backward compatible, so you don't have to worry about SATA interface compatibility issues.

  1. Hard disk size

One type of mechanical hard disk is 2.5 inches, mainly used in notebook computers, and 3.5 inches, mainly used in desktop computers. But you need to pay attention to the fact that the hard disk standards used by servers of various sizes are different. Some use 2.5-inch hard disks, and some use 3.5-inch hard disks.

According to the interface input mode, solid state drives can be divided into two categories: the first category is the SATA interface, and the second category is the PCI-E interface. SATA solid-state drives are 2.5 inches in size and are mainly used in notebook computers. PCI-E solid state drives are more abundant, so I won't go into details.

In short, SATA hard drives can be used in notebook computers, pci-e solid state drives are suitable for desktop computers, not notebook computers, and m.2 and SATA solid state drives, desktop and notebook computers are very common.

solid-state drive ssd hard drive

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