usb 3.2 ํฌํŠธ ๋นจ๊ฐ„์ƒ‰ gen2


usb 3.2 ํฌํŠธ ํŒŒ๋ž€์ƒ‰ gen 1


usb 2,0 ํฌํŠธ ๊ฒ€์€์ƒ‰ย 


์–ด๋””์— ๊ผฝ๋Š”๊ฒŒ ์ œ์ผ ์ข‹๋‚˜์š”