on February 28 at 01:27 AM

What are the common solid state forms of all in one dual hdd docking

It is generally believed that a storage system consists of two parts, the hardware device and the software stack. Hardware devices mainly refer to storage media, such as disks, tapes, etc. The software stack refers to the programs and related file systems that maintain and manage storage media, including firmware, file systems, and log databases. The development of storage systems involves new storage theories, new storage media, new storage architectures, and integrated design of software and hardware. So what are the common solid state forms of all in one dual hdd docking?

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1. Flash-based SSDs

Flash memory, also known as Nand flash memory, is a non-volatile random access storage medium, which is similar in composition to an NMOS double-layer floating gate MOS transistor. The electric charge is latched by pressing electrons into the insulating layer by high voltage, so the data can be stored in the floating gate in the form of electric charge. Unlike volatile memory, flash memory can retain data even without power supply. Since all operations are electronic and do not involve the operation of mechanical parts, the read and write latency of flash memory is greatly reduced. At present, the basic delay of flash memory units of solid-state drives is generally only many times that of main memory, which is dozens of times higher than that of traditional mechanical hard disks.

2. Solid State Drives Based on Phase Change Storage

Phase-change-based random access memory is an emerging non-volatile memory device made of glass containing one or more chalcogenides. The current mainstream is alloy, and the characteristic of chalcogenide glass is that its state can be changed by heating to become crystalline or amorphous. Since different states have different resistance values, PRAM can be used to store different values. The biggest feature of PRAM is that it can achieve addressing by byte, that is, only one byte can be modified at a time. Therefore, in addition to being a replacement for hard disks, solid-state drives based on phase-change storage are also considered as persistent replacements for main memory.

Traditionally, the all in one dual hdd docking storage system is mainly based on the carrier of magnetic media, such as disk, tape and so on. In the long-term development process, thanks to the continuous maturity of technology and technology, magnetic media storage devices can basically achieve the goals of large capacity and high cost performance. For a long time, magnetic media storage devices have played an important role in personal consumer and enterprise users.

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