We use USB to transfer data. The USB can be used as RAM. Let’s start with windows vista; those who use pc’s can use their USBdrives to increase the performances of their computer. This is called ReadyBoost. Ready Boost deal with free space that is on your USB drives, such as RAM. When we increase RAM that’s equal to more speed. Ready Boost comprise on all free versions o fwindows vista and windows 7. It’s easy to setup the positions and in few minutes it can be finished.
Insert the USB drive in your computer.
Go to "My Computer" then right-click on the USB drive.
Go to "Properties"
Next, click on the "ReadyBoost" tab.
Choose the option that says "Use this device".
Under "Space to reserve for system speed", select the amount of memory that you wish to use for your USB flash drive. The amount of memory that Windows recommends is usually the best setting and should not be exceeded.
Click on "OK" to save your settings and exit.
Restart your computer for the changes to take affect.
It's not harmful to your computer but it can damage your flash drive.
Best option is to upgrade the PC's memory.
I think there is no problem for temporary usage for usb disk, for example, loading a smart system to recover your windows sys, or install your system etc..
I purchased a 500G USB drive for this very purpose. If it won't work for RAM I'll just use it for storage.
Increase the actual physical ram first. Then if you want a swap disk, purchase an SSD. Using USB must be slower than any internal HDD.
It will be slower when compared with an on board RAM, but it will be much faster than using your HDD. No it is not harmful to your computer but it may be harmful to your flash disk.
Flash memory is slower then RAM. Using it in place of RAM memory could cause your computer to preform much worse then it does with limited memory, because then process management pushes idle processes into page swap for later use.
You should consider simply upgrading your system memory.
Also, you will probably cause the flash drive to expire its live expectancy much faster then it normally would, because flash memory has a limited number of reads and writes it can handle. Although this is a very big number of reads and writes, using it as RAM will use it up much much much faster.
ReadyBoost really has nothing to do with RAM. The goal of ReadyBoost is twofold 1) it can add to the amount of DISK storage in your system by including USB memory. 2) it can increase the performance of DISK I/O (reads/writes) via an intelligent caching mechansm. It can also encrypt data on the USB drive in case security is an issue.
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