Micro-USB (Micro-B): Pins, Speed, Power
Micro-USB (Micro-B) has 5 pins, runs at 480 Mbps (USB 2.0) and delivers ~9W (5V/1.8A typical). It was the 2010s phone standard.
Open the interactive Standards & Sizes tool →Key facts
| Pins | 5 |
|---|---|
| Max speed | 480 Mbps |
| Max power | 9W (5V / 1.8A typical) |
| Year | 2007 |
| Status | Being replaced by USB-C |
Frequently asked questions
How fast is Micro-USB?
Standard Micro-USB (Micro-B) runs at 480 Mbps (USB 2.0).
Why is Micro-USB being phased out?
The EU mandated USB-C as the common charging port, so Micro-USB is being replaced on new devices.
Related pages
Micro-USB Connector Spec is part of Standards & Sizes on GOAT Lab — a free reference you can use without signing up, and it works offline. Open the tool above for any custom value.
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