Can we add extra memory (RAM) to Desktop PC/Laptop through USB port?

i think no u can add the ram only by insrting in the motherboard only harddisk we can add by usb

The only way, as far as im aware, to add extra RAM (Random Access Memory) to a pc is to open up the computer and add a extra stick or two of RAM depending on how many free slots you have and that the RAM is compatible. Adding memory to a computer via USB (Univeral Serial Bus) is not something i had become aware of but the post up above raises a point of new methods of doing so, although this seems to be available via vista so thats maybe why i dont know anything about it. The best and traditional way however is to add memory into a free slot inside your pc.

Only if you use Windows Vista will you be able to do that/ If you do have vista then you only need to get a good performance flash drive and plug it in and configure windows to use it as ram.

This is the funniest question I read here in mylot. USB is the name Universal Serial Bus, it do not use the high speed bus as what for the memory. They use different connection method to the system processor. Image if you have you system cache or swap in a USB memory, what will happen when you plug it off. no matter it is laptop or desktop the only way is to get a bigger memory. To make your computer faster, you can try to optimize your OS to say if there is a good improvment.

You can change Your current RAM sticks to bigger ones.