SSD Performance Advancements TECHNOLOGY PAPER

PublishTime：2022-10-09

● Many of us are familiar with the sliding tile game 15-puzzle,a sliding puzzle that consists of a frame of numbered square tiles in random order with one tile missing. With just one empty square, shifting pieces to new locations requires a fair amount of effort because there is so little free space. Having the puzzle fifteen-sixteenths full makes for challenging and entertaining gameplay, but it’s certainly not the kind of performance limitation you want in your solid state drive (SSD). Imagine if the same puzzle were only half-full with eight pieces. It could be solved almost instantly. Obviously, more free space enables faster piece movement and task (game) completion.
● SSDs work on a very similar principle. Visualize the NAND flash memory inside of an SSD as a puzzle, except that the amount of free space in an SSD is not fixed. Manufacturers utilize various tactics to improve performance, and one of these is to allocate more free space, a process known as overprovisioning (OP).
● While the minimum amount of overprovisioning for an SSD is set at the factory, users can also allocate more space. Either way, a moderate understanding of overprovisioning is necessary in order to make better SSD purchasing decisions and to configure them in the most advantageous way for each environment.

Brand of Product：	Seagate Technology
Part#：
Product Category：	SSD More
Application：	More
Data Type：	Technical Documentation More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	2018/11/30
Version Number：
Data Encoding：
Data Size：	684 KB

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