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When many people upgrade their old computers, the first choice is the solid state drive, because compared with the processor and other large items, the solid state drive is lower, and the improved startup speed is very significant, but some people have found that after installation, the speed of the hard disk is far less fast than advertised. So what to do if the SSD is slow?
Most of the time, the performance of old computers is completely sufficient in daily use, but because of the read speed of mechanical hard disks, they often react too slowly when starting the system and software, which will give people a feeling of slow carding.
In this case, you only need to move the installation location of the system and software to the SSD, and with the powerful reading and writing capabilities of the SSD, it can improve the daily use experience, but not everyone gets this result as expected.
In a lot of SSD product reviews, you can see some people scolding merchants, saying that their SSDs are slow and fake, in fact, this may not really be the merchant's pot (of course, the third- and fourth-rate ultra-low-cost solid-state is really not accurate), the SSD is slow, it may be 4K is not aligned.
For SSDs, the 4K pair is not aligned, which directly affects the read and write speed and life of the SSD, so once you find that the read and write speed of the SSD you just bought is abnormally slow, you should check whether the 4K is aligned.
So how do you check if your SSD is 4k aligned? Generally speaking, the AS SSD benchmark software is used for testing, which is a solid-state detection software, which will generate a performance report after reading the SSD, and you can check whether the status of the SSD is normal at this time in the upper left corner.
It should be noted here that,Starting from win10,The system will automatically set the solid format to the 4K alignment state during the installation process,So the 4K misalignment state generally appears on the XP system,There is also the use of ghost software to install the system,Ghost software will lead to a false 4K alignment state because of some defects when aligning in 4K,At this time, you also need to re-align again4K。
At this time, some people may want to ask, my solid-state is using win10 system, but the speed is still very slow, what should I do? At this time, you can enter the motherboard BIOS to check whether the AHCI mode is enabled.
4K aligned, AHCI mode is also on, and the speed is still very slow? Then there is only one problem left, that is, you buy an inferior SSD, they use a problematic flash memory chip and main control, and some even have no cache, which will lead to low performance for various reasons, so when buying an SSD, be sure to choose a reputable brand and model. Now you know what's going on with slow SSDs, right?
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Solid-state drives are the development trend of hard disks now, and they completely solve the performance bottleneck of mechanical hard disks! Now that the world's two largest HDD brands, Seagate and Western Digital, are also seeking to transform the SSD market, we can see the future trend. What should I do if my SSD is slow?
In fact, it is an SSD hard disk with SATA interface, and the following is a way to share with you that the SSD cannot reach the nominal speed.
1. SATA interface affects SSD speed.
If the old computer upgrades the SSD, then some motherboards may have both SATA2 and SATA3 interfaces, or even no SATA3 interfaces, because the SSDs with SATA interfaces are all interfaces, so we need to connect to the interface, and generally the motherboard will be marked. Theoretically, the bandwidth of SATA2 is only half of that of SATA3, which greatly affects the read and write speed of SSDs.
2. Hard disk SATA mode.
Now the SATA mode of our motherboard's hard disk is AHci mode by default, but because the default of the old motherboard is IDE mode, we need to modify it in the motherboard BIOS settings, generally after booting, press the DEL key repeatedly, go to the BIOS setting interface, find the SATA mode in the motherboard, and modify its options to AHCI mode. The speed of IDE mode is much slower than that of AHCI mode, and the NCQ function is added, which improves the read and write efficiency and speed of the hard disk, and effectively prolongs the service life of the hard disk, in short, it is also a major culprit affecting the solid state drive.
3. Write caching policy.
When we go to "Computer", right-click on "Local Disk C", enter the Hardware tab, double-click on the SSD in the name, in the Hard Disk Properties window, we enter the tab of the policy, and check "Enable Write Cache on Device" by removing the write cache policy.
Although the write caching policy will greatly improve the 4k read and write performance after turning off the write caching policy, it will lose the security of the data, so don't turn it off if your computer stores important data.
4. Are SSDs 4K aligned?
Before making the system, if we don't check 4K alignment when partitioning, then the read and write speed will be greatly reduced, and the performance will be about 25% worse if we don't do 4K alignment. Friends who have not done 4K alignment, you can use the U disk startup tool to enter the PE system, find the DiskGenius partition tool on the PE system desktop, re-partition, click "Quick Partition", set the number of partitions and the size of the disk capacity, check "Align the partition to an integer multiple of the number of sectors": select the 4096 (4K) sector, determine the completion of the partition, redo the system, if you want better results, you can consider the UEFI+GPT partition to do the system.
The above is the solution to share with you what to do if the SSD SSD is slow, in addition, SSD users can also turn off the disk defragging plan, disk indexing function, etc., and the SSD storage on the Internet should not be full, and it is best to reserve 10% of the space for each partition, this example needs to be verified.
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Let's first talk about the relationship between hard disk and memory. In order to make it more intuitive for everyone to understand, please see the image below:
If the computer is running a single specific piece of software, the software will extract the computer's ideas from the computer's memory, and then the chip will calculate the computer's ideas. The computer memory mentioned here is the hard disk that we often call, and the idea of the computer is what we call memory.
The relationship between these three can be summed up in two sentences.
1.The amount of memory directly determines how much software you can open at the same time.
2.The capacity of your hard drive directly determines how much data you can store.
First of all, the bandwidth between the CPU and the memory is very fast. Any memory is 30GB s, while the sequential read and write speed of a traditional HDD is only 200MB s, so there is no speed bottleneck in the back and forth path from CPU to memory.
In other words, it's no surprise that when you replace an SSD, the memory on the drive will be unhindered and the computer will run at high speeds.
The speed decreases after prolonged use of the solid-state drive, which consists of a master control, a cache, and several flash memory chips. With electrical signal transmission, the master control can access multiple data in different locations in the flash memory in less than milliseconds, which is hundreds of times faster than the read and write speed of a mechanical hard drive. The flash memory responsible for storing data is the most important part of the solid-state drive, and it directly determines the performance of the solid-state drive.
More than a decade later, major chipmakers have successively introduced four generations of flash memory with different particle structures - SLC, MLC, TLC and QLC. By the time of the latest generation of QLC particles, the storage capacity was already 8 times that of the first generation of SLC particles.
The headache is that due to the rapid increase in storage capacity, the operating speed and lifespan of flash memory particles are constantly decreasing. It's like the youth we've lost.
This is because SSD drives are limited in the number of times data can be erased and written, which is the lifetime of flash memory. When the number of erases and writes of flash memory particles reaches the limit, the flash memory will be damaged.
If the solid-state drive has been used for a long time, or if the solid-state drive is about to fill up, the computer will run slowly! The reason for this is related to the erase and write process of the flash memory, so I will not repeat it here. This process is called write upscaling, which means more complicated steps, longer time, and more erasing time.
So, if you load your solid-state drive too full, your hard drive will run faster and last less!
It's not hard to see that solid-state drives take a long time, and slowdowns are inevitable. Therefore, when installing the system, it is recommended to format the C drive, and then start the installation of the system.
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