SSD: Практические советы

An SSD in 2020 doesn’t seem like a gimmick - it’s more of a dire need if you don’t want to take a long time to look at the load bar. Many people think of solid state drives as a kind of fast hard drives, but you need to understand that the principles their work is significantly different. So those operations that can and should be carried out on the HDD may be useless and even harmful for SSD, today we’ll talk about practical tips for using solid state drives. No need to fully format the SSD As we all know, there are two types of formatting in Windows Is fast and complete. The first essentially cleans up the filesystem table and marks the disk space as unused.

00:50 - In this case, the data is not physically deleted from the drive, and in theory it can be restored. Full formatting writes zeros to all cells of the drive. Yes, this process is long, but it minimizes the chances to recover data from disk. But this works with hard drives; it works differently with SSDs. In the case of quick format, the system sends a special TRIM command to the solid state drive. It tells the SSD which blocks of data no longer carry payloads and may not be physically stored. Actually, such a command is also sent during normal system operation - for example, after uninstalling a program. Moreover, many modern SSDs are able to clean themselves. So, in the case of an SSD, a quick format plays the role of a complete one: the system sends TRIM indicating clear all cells, which is what the controller does SSD. So full formatting in this case is at least redundant, and at most even harmful, because you in fact, you reduce the total amount of data that can be guaranteed to be written to the drive, exactly to the capacity of the latter.

01:58 - Try not to fill the SSD with data to the eyeballs Modern solid state drives mainly use memory cells called MLC, TLC and QLC. The first type can store two bits per cell, the second - three, and the third as much as 4. The more bits you get to store in each cell, the larger is the volume of each chip and the cheaper it is to manufacture. But, on the other hand, the speed of access to the necessary information in this case drops significantly, so expensive SSDs like the Samsung 970 Pro usually use MLC memory. However, many SSD manufacturers went to the trick and began to use the so-called SLC cache, that is, write to multi-bit cells only 1 bit.

02:43 - Of course, this dramatically increases the speed of work with such a cell, however, the capacity of the cell itself also decreases several times. SSD. Therefore, only a small amount is allocated for fast SLC-cache. storage area of ​​several tens of gigabytes. During normal operation, it is enough, and the write speed on the SSD increases dramatically. However, of course, in order for the SLC cache to be on the disk, there should be free space on it.

03:07 - So do not hammer the solid state to the eyeballs - in this case, the write speed on it may drop significantly. Defragmenting an SSD doesn’t make sense When the system needs to write a large file to the drive, it tries to do it in one piece. This really makes sense in the case of a hard drive: each transfer of its head to a different location to continue reading or writing, this is a delay of up to several tens of milliseconds. Therefore, defragmentation was invented: with its help, the system organizes data on the disk so that everything the files were, if possible, written in one piece. Of course, there are no mechanical parts in an SSD, and the transition from one part of the file to another occurs almost instantly.

03:47 - Therefore, defragmentation here again does not have meaning, moreover, such a massive data overwrite will again reduce the resource of the solid-state drive. Try to connect SSD via new interface versions SATA In the case of hard drives, we do not even think about which SATA interface to use it through - we just connect the first one that comes across and that’s it. This is understandable - even SATA1 20 years ago gives speed at the level of 150 MB / s, which is enough even for modern HDDs. But, of course, things are more complicated with SSDs: even inexpensive models provide sequential read speeds. and writes at the level of 300-400 MB / s, so for their full “Disclosure” already needs SATA3.

04:05 - Of course, in modern PCs you will not find SATA2 or even more so SATA1, but there are enough old platforms, users who want to cheer them up. And in this case, carefully study the manual for the board - Often, transitional solutions included both SATA2 and SATA3. SSD, of course, needs to be shoved to the latter. At the same time, it is wrong to think that through the same SATA1 the solid-state device will not give a tangible increase in comparison with the HDD. Sequential writing and reading of large files - not the most realistic load.

04:16 - Basically, the so-called small-block load is important, and its speeds for SSDs rarely exceed a hundred megabytes. per second, which is well within the SATA1 specification and is an order of magnitude, or even two more than similar speeds from the HDD. So even a very old system can be revived with a solid-state device. It makes no sense to take expensive and fast NVMe SSDs for games For some reason it became accepted in assemblies of the middle level and above put the so-called NVMe SSD, the speed of sequential read and write on which often exceeds a couple gigabyte per second, which is many times faster than the best SATA solid state devices. Does this mean that games will also load several times faster? Absolutely not.

04:32 - The difference in the actual loading speed of modern projects - a split second. Why is that? Yes, because, firstly, modern engines are designed including on PS4 and XO, which have hard drives, and, secondly, it is often a weak link when loading games it is not a drive at all, but, for example, a processor or RAM. In any case, in the next 3-4 years there will be a “move” engines from HDD to SSD, and only after that you may feel an increase in the speed of loading games on NVMe drives. In the meantime, if you are thinking about which drive to take for games, a capacious SATA or fast NVMe, you better choose the first one. Even with older systems, it makes sense to use SSD There is a popular belief that if the system initially did not know how to work with SSD, then it kills them.

05:15 - This applies to Windows Vista, XP and older systems that do not have TRIM support. In reality, of course, this is not the case. In the worst case, if the drive cannot clean itself, after “clogging” it with data, new information will not be written into free cells, but overwritten. In the case of HDD, this is absolutely not important and does not affect the recording speed. In the case of SSDs, the speed can drop significantly, but the SSD will still be faster than the best hard drives.

05:45 - disks, and old operating systems will just fly. And of course, this will not affect the lifetime of the SSD. Don’t move the swap file from your SSD to your hard drive Often we use an SSD for the system, and in the role of a “file washing” HDD protrudes. Windows, when installed on a solid state device, places it has both the paging file and the hibernation file, while it often actively uses them, thereby reducing the resource drive. From here there is a quite logical desire to transfer them to the hard drive, but you should not do this.

06:20 - First, if you have a small amount of RAM and you often use its all, then you will definitely feel all the slowness of the paging file on the hard disk. Secondly, the actual size of this file is usually 2-8 GB - small enough numbers to significantly increase SSD wear. So do not transfer the swap file from the solid-state device, enjoy the maximum system speeds. I think in the comments you will write your tips for using an SSD, and after checking the description you will find our VKontakte community, but most likely you have subscribed to it for a long time, am I right? Don’t forget to stimulate us with your likes! MK was in touch. See you soon. .