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Learn about laptop hard drive slot standards

Storing data, installing applications and also housing the computer’s operating system, the hard drive is an indispensable component in the computer system. So what slots does the hard drive have to connect to the computer system? Please refer to the article below.

1. Why is it important to know the hard drive slot standard?

You need to learn well about the standard hard drive slot to be able to determine the right type of hard drive and the standard you need to buy for your laptop or PC if you need to upgrade.

Một số tiêu chuẩn khe cắm ổ cứng laptop

How to know if a laptop or PC uses an SSD or an HDD?

You can ask the seller of the laptop or PC to see which hard drive slot the laptop supports. Or for laptops, you can go to Mobile World’s page > Find laptop model name > Look in the hard drive section in the configuration section.
How to know the hard drive type and speed standard using CrystalDiskInfo

You can check detailed information about the hard drive as well as the plug standard with CrystalDiskInfo software, how to use it as follows:

Step 1: Download and install CrystalDiskInfo software HERE > Turn on the software

Step 2: In the main interface of the software, you will see the information of the hard drive > Look at the Transfer Mode section > For example, SATA/600 will be SATA 3, SATA/300 will be SATA 2 > Also you have Click the arrow if there is more than one hard drive on the computer.
Step 3: Look at the Rotation Rate section to SSD or HDD, the SSD will show the word SSD, the HDD will show the number of revolutions (RPM units).
2. Types of hard drives today

Currently, there are many main types of hard drives:

HDD (Hard Disk Drive): Traditional hard drive, with lower data access speed than SSD, with no data recording limit.

SSD (Solid State Drive): Developed to compete with traditional HDD, data access speed is faster than HDD, but SSD hard drive has limited data writing.

HDD uses connections: IDE, SATA 3.

SSD uses connections: PCI Express, M.2, mSATA.

3. Some popular hard drive connection standards

Standard IDE connection

As one of two common connection standards today, EIDE (Enhanced Integrated Drive Electronics) has been known as a popular hard drive connection standard for more than 10 years. The maximum data transfer rate is 100 MB/s. However, the latest motherboards have almost completely abandoned this connection standard, but users can still buy PCI EIDE Controller cards if they want to continue using EIDE hard drives and only for HDD hard drives.
Standard SATA 3 . connection

As the remaining popular hard drive standard along with IDE, SATA is quickly becoming the new connection standard in hard drive technology thanks to its superior capabilities over IDE standard in terms of data transmission and processing speed thanks to the Reduce noise and increase airflow in the system because SATA cables are 400% narrower than IDE cables. The maximum data transfer rate of the SATA 3.2 generation is up to 1969 MB/s. SATA 3 supports the highest speed of about 530 – 550 MB/s for HDD 7200rpm and 140 – 160 MB/s for SSD.
You should not use an IDE hard drive with a SATA hard drive on the same system. The SATA hard drive will have a “bottleneck” effect, or better understood, the IDE will “pull” the SATA hard drive speed to its own speed, making the SATA hard drive unable to operate at full capacity.

PCIe connection standard

PCIe or PCI Express is a high-speed connection standard that can connect graphics cards, the local Internet and even SSDs to the computer board. This standard is more commonly found on PC boards than on laptops, supporting external SSDs, with PCIe generation 5, data transfer rates can be up to 32Gbps.
M.2 NVMe connection standard

Is an M.2 physical hard drive using the NVMe control standard, used to plug in NVMe-enabled SSDs (PCIe) with high speed up to 32 Gbps, has the shape of a standard M Key pin (1 slot on the right. ).

Standard M.2 SATA

Is an M.2 physical hard drive using the SATA control standard, used to plug in M.2 SATA SSDs. Although the same M.2 standard, the read and write speeds of this connection standard only support up to 550 Mbps, much slower than M.2 NVMe. The plug form of this connection standard will be the B+M Key standard, with 2 slots on either side of the plug.
Standard mSATA

mSATA is a miniature connection standard of SATA (mini SATA), which can be used to connect laptop Wifi cards or standard mSATA SSD hard drives. This standard supports transfer speeds up to 550 MB/s.
USB connection standard

Is the peripheral connection standard for most computers using the Windows operating system. This connection type has a maximum data transfer rate of up to 480 MB/s. With new generations of USB, the transfer speed can be up to tens of GB/s. The speed maintains a constant range of 10 – 30 MB/s, depending on various factors including the type of device, the data being transferred and the speed of the computer system.

Connecting hard drives with USB connection standards today is commonly known for portable, compact, easy-to-carry hard drives, but the capacity can be up to TB.
4. Is it possible to change the hard drive slot?

Depending on the connection standard you want to convert, usually standard M.2 and mSATA hard drives can be converted to SATA 3 or USB thanks to the hard drive boxes so you can use them as removable hard drives. or plug in the available SATA 3 slots. However, connection standards such as SATA 3 or USB cannot be converted to M.2 or mSATA because their physical size is larger and the hard drive speed is not suitable for those connection slots.


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