Delkin Blog

When you are trying to select a storage device for an industrial application, you will discover multiple options. One question that is likely to arise is how SSDs compare to HDDs. The 2.5 SSD, which is also called the 2.5 SATA SSD, is a popular alternative for people who are also considering HDDs as their storage device. Although SSDs and HDDs both perform the same function of data storage, they are very different devices. What are the differences and how exactly do these storage drives compare? This information will help you make an informed choice about data storage.

What are 2.5 SATA SSDs?

Solid state drives, or SSDs, are storage drives that use NAND flash memory to read and write data. Information in SSDs is stored on microchips that have small cells that hold bits of data. The amount of data that is stored depends on the grade of the NAND flash memory. The highest grade is SLC, which only stores one bit of data per cell. The grade that is most common in the consumer market—which has less stringent data security needs—is TLC, which stores three or more bits of data per cell.

A 2.5 SATA SSD is simply a 2.5” SSD that connects to the CPU using the SATA interface. This kind of SSD is designed to be the same size as an HDD, so it is often used in devices in which HDDs could also be used. SSDs are available to fit smaller form factors as well.

What are HDDs?

HDDs are hard disk drives. Instead of using NAND flash memory, these drives have a mechanical disk that spins. Data is written on the disk using a magnetic tip, which also reads the data. The mechanical nature of HDDs makes them more prone to failure, especially when they are exposed to intense operating conditions.

HDDs are also slower than 2.5 SSD models, because the disk has to spin for every operation. As such, SSDs have replaced HDDs in many industries.

Delkin offers 2.5” SATA SSDs, as well as SSDs designed for even smaller form factors. Our product team is here to answer your questions and help you find a solution that works for you. Please contact us for assistance.

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