71–80 of 498 posts
I look forward to USB 4.1a Type C.2 Phase iii.b Gen 3E and the 482646282 different cable capability combinations that all plug in and have no distinction of those capabilities whatsoever. I also look forward to all the necessary and helpful posts telling me how the identical ports on my laptop are in fact diffferent despite their identical appearance. But at least everything uses the same plug, so that’s nice.
240W through those little pins in that little plug? I don't know if I want to power that large of a laptop with such a little plug.
I look forward to USB 4.1a Type C.2 Phase iii.b Gen 3E and the 482646282 different cable capability combinations that all plug in and have no distinction of those capabilities whatsoever. I also look forward to all the necessary and helpful posts telling me how the identical ports on my laptop are in fact diffferent despite their identical appearance. But at least everything uses the same plug, so that’s nice.
Are there cheap devices that measure USB cables? So that user plugs the cable into it (both ends) and it will list what protocols/bandwidth does it support. And electrical resistance of course.
I look forward to USB 4.1a Type C.2 Phase iii.b Gen 3E and the 482646282 different cable capability combinations that all plug in and have no distinction of those capabilities whatsoever. I also look forward to all the necessary and helpful posts telling me how the identical ports on my laptop are in fact diffferent despite their identical appearance. But at least everything uses the same plug, so that’s nice.
Are there cheap devices that measure USB cables? So that user plugs the cable into it (both ends) and it will list what protocols/bandwidth does it support. And electrical resistance of course.
I guess it is not completely trivial though, and would probably end up costing a fair bit due to the max bandwidth etc.
Just measuring resistance accurately enough for short cables for all conductors sounds hard.
Earlier quoted context omitted.
USB-C sure turned into a mess, didn't it? So far, I only have two such devices (a cell phone and a set of headphones), and there's no problem charging either. But even there, we already have proprietary extensions (Qualcomm quick charging, for instance), and then there's Thunderbolt, and now this. I'm not enthusiastic about wading into the world of "every port looks identical but isn't" that USB-C has given us. I hav…
After only reading the headlines promising the bright future of USB-C, I am very disappointed now that I carry three USB-C in my backpack for different use-cases.
I look forward to USB 4.1a Type C.2 Phase iii.b Gen 3E and the 482646282 different cable capability combinations that all plug in and have no distinction of those capabilities whatsoever. I also look forward to all the necessary and helpful posts telling me how the identical ports on my laptop are in fact diffferent despite their identical appearance. But at least everything uses the same plug, so that’s nice.
Are there cheap devices that measure USB cables? So that user plugs the cable into it (both ends) and it will list what protocols/bandwidth does it support. And electrical resistance of course.
In older USB cables you used to have four, five, or nine pins that were directly connected via copper wire to the pins on the other end. With the exception of charging-only cables that didn't connect the data pins.
Is the issue just that the new cables tend to only connect a subset of the 24 USB-C pins?
Earlier quoted context omitted.
I mean, I share that worry, but isn’t the “-PD” part of “USB-PD” a negotiation step? I have very little worry that my carpet can accidentally negotiate 60w and up. I _am_ worried about cheap USB-PD devices that forgoe this negotiation as it is complex and expensive to implement.
Your carpet cannot negotiate a high power, but two devices might negotiate a high power while not being aware that that the cable has a cut in it and is in direct contact with the carpet.
What I don't understand is how the cable doesn't have a way to detect a short circuit. I'd imagine that a 250 watts capable cable would have more safety features hopefully though.
I look forward to USB 4.1a Type C.2 Phase iii.b Gen 3E and the 482646282 different cable capability combinations that all plug in and have no distinction of those capabilities whatsoever. I also look forward to all the necessary and helpful posts telling me how the identical ports on my laptop are in fact diffferent despite their identical appearance. But at least everything uses the same plug, so that’s nice.
Are there cheap devices that measure USB cables? So that user plugs the cable into it (both ends) and it will list what protocols/bandwidth does it support. And electrical resistance of course.
Earlier quoted context omitted.
> Why not just use a desktop? Gaming laptops that contain high-end GPUs can consume this much power while charging the battery and running games. And such laptops are still way more portable than a desktop. You can lift the laptop and keep it in your car, drive off and have a gaming PC ready-to-use where ever you end up. Same cannot be done with any desktop.
Typically they're throttled by poor thermals. I'd be interested to know if anyone has recommendations for rtx grade laptops with nice CPUs in 15-17 inch form factor that doesn't throttle but are still somewhat portable. I have not found any but I think I've been testing too thin ones (XPS and Blade).
One such machine is the ASUS Zephyrus G14/G15 and in the next month or two, M16 which weigh ~4.5lbs and come with Ryzen 5000 mobile CPUs (up to 5900HS) and 95W variant RTX 3000 GPUs (up to RTX 3080). I've been using the G15 for the past month and it's not bad, kind of a midway between a Macbook and traditional gaming laptop. Its looks are low profile enough that I wouldn't be embarrassed to bring it into an office.
If you're willing to push the slider a bit further in the power direction, there's machines like the Lenovo Legion 5 Pro and Legion 7 16", which weigh about 1lb more than the Zephyrus machines (~5.5lbs) but come with significantly beefier cooling, a higher TDP CPU, and 130-150W variant RTX 3000 GPUs. They're a bit more of a desktop replacement but still fairly reasonable to lug around, nothing like the 8-10lb behemoth Alienwares of old.
Laptops shouldn't ever need 240W. That's just getting stupid. Buy a desktop if this is what you need!