usb 3.0 ํฌํŠธ์—๋„ ๊ผฝ๊ณ  ํŒŒ๋ž‘๋ถˆ๋น› ์•ˆ๋‚˜๋Š”๋ฐ
์ด๊ฑฐ ๋ถˆ๋Ÿ‰์ž„?