0 votes
by (340 points)
What is a double USB cord for?

1 Answer

0 votes
by (440 points)
A classic USB port can only provide about 500mA of current. Older external hard drives that needed more power than that used a double-headed cable (sometimes called a \u201cDual-A\u201d or \u201cY\u201d cable) to draw power from two different ports to \u201ccheat\u201d the power limits.

Related questions

0 votes
1 answer
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer
asked Nov 28, 2019 by cable (1.4k points)
0 votes
1 answer
asked Nov 28, 2019 by cable (1.4k points)
0 votes
1 answer
asked Jul 14, 2021 by brfemalebusb (120 points)
0 votes
1 answer
...