What's a double male ended USB cord for? - Quora

Answer: 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 “Dual-A” or “Y” cable) to draw power from two different ports to “cheat” the power limits. The dual headed cable is not re

Which side of the USB cable goes into the device and which one

Male To Male USB Cable Type A to A USB Extension Cord Male to Male

Which is the best usb data cable? - Quora

Why are two square holes provided in the USB male piece? - Quora

Why weren't USB connections designed to plug-in upside down? - Quora

Can I power a device using USB male to male cable? - Quora

Why do some USB cables have two USB connectors at the end? - Quora

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VibeX Micro USB Cable 2 A 1.5 m VXI - 944JDU - Double Side USB