Say goodbye to proprietary power connectors forever, folks! Okay, not really. However, the USB Implementers Forum (USB-IF) just took a big step in that direction by massively upgrading the USB-C specification (version 2.1) to accommodate up to 240W of power. That is more than double the previous spec, which allowed for up to 100W.
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Source: Hot Hardware – USB-C Type 2.1 Standard Delivers Up To 240W For Performance Laptops