Just to note, the USB 3.1 specification allows up to 240 Watts of 48 Volt, 5 Amp... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		blendo on Jan 2, 2024 \| parent \| context \| favorite \| on: Slow Electricity: The Return of DC Power? (2016) Just to note, the USB 3.1 specification allows up to 240 Watts of 48 Volt, 5 Amp power. Easily enough power for a monitor/TV, or for a small desktop computer. https://audioxpress.com/news/usb-specification-revision-defi... And Anker now makes the honkin’ big hubs you need for that: https://www.anker.com/products/a2342-240w-gan-charger

nine_k on Jan 2, 2024 [–]

This is part of the reason why a fully compliant USB-C cable is so expensive and stiff. It should carry thick power lines, and also a number of high-speed serial lines, and some electronics to configure and drive all that on either end.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact