• potustheplant@feddit.nl
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    11 days ago

    Please, list the devices that you know have tb5.

    Also, that’s the total bandwidth in a best case scenario. You’re not factoring in that you’ll need to share that with all of the devices in a hub. That’s without mentioning that you need the hub (which also has a cost).

    • rmuk@feddit.uk
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      11 days ago

      The USB4 protocol can handle 160Gb/s split asymettrically (so, say, 120Gb/s out, 40Gb/s in), wheras the upper limit for DisplayPort’s highest bandwidth mode, Quad UHBR 20, is 80Gb/s in one direction. So you can saturate your DisplayPort 2.0 quad-channel with more than enough bandwidth to power three 10K 60Hz 30-bit (i.e. very high-end) monitors in DSC mode, and still only be using half the bandwidth of USB4, all using a single cable which I can also use to charge my earphones.

      • fallingcats@discuss.tchncs.de
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        10 days ago

        Most devices only have 40gbps USB4. Which is still enough for almost all sane use cases. Frankly, if you need multiple 4K monitors get a desktop.

        • potustheplant@feddit.nl
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          10 days ago

          Uhm no? There are more than a few use cases that require a mobile set up for demos for example but that you’d also want to use in a desk setting. For example, architects or sw dev.

          Which is still enough for almost all sane use cases.

          Like 2 4k60 monitors and literally nothing else? You have a very conservative opinion of what a “sane” use case is. Not to mention that lots of USB-C cable certification is a mess so not even getting the cable is simple (or cheap).

          • fallingcats@discuss.tchncs.de
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            10 days ago

            Show me one architect that is actually dragging along two external 4k displays with their laptop.

            If you are a professional with specific needs buy a specific laptop. Frankly there are more than enough laptops that have more ports if that’s what you need. Except even in your example you don’t even need more ports because you can just use the second USB4 port.

            • potustheplant@feddit.nl
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              10 days ago

              You misunderstood. They use those monitors when actually working in a stationary place with their desktop setup. However, it’s very common to then have to go to your client’s office to show them said work or discuss future steps. At which point having multiple port options comes in handy if you have to plug in to a tv, monitor or projector.

              You can’t seriously consider asking for hdmi and displayport on a laptop a “specific need”.

      • potustheplant@feddit.nl
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        10 days ago

        K then buddy. Keep buying dongles for your dongles.

        My point is that including the ports is extremely simple. I’m not telling you that it’s wrong to choose to use a dock because you find it more convenient. I’m just saying that you could have the option instead of that being the only option you have. There’s no technical reason to not include the actual physical separate ports.

        Also, monitors and your earbuds? That’s a very low bar. Lots of different tasks would require far more than that. Devices should be flexible.

        • rmuk@feddit.uk
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          10 days ago

          Devices should be flexible.

          Agreed. It’s a pity, then, that no-one has invented a single port that can replace USB-A, DisplayPort, HDMI, propriatary power connectors, Thunderb… oh… wait…

          • potustheplant@feddit.nl
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            10 days ago

            Yeah, show me a laptop that has 10 of those. Plus, your conveniently ignoring the plethora of adapters you’d have to use if all you had were USB-C ports.

    • disguy_ovahea@lemmy.world
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      10 days ago

      All high quality peripheral docks support Thunderbolt. Thunderbolt 5 docks began to release last month. You can connect the devices to the dock using USB-C, then just use one Thunderbolt cable to connect the dock to your Mac to prevent a bottleneck.

      • potustheplant@feddit.nl
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        10 days ago

        So, barely a handful? Great. How much do they cost? And how much does it cost to just use the cable your devices come with?

        • disguy_ovahea@lemmy.world
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          10 days ago

          The countless remaining docks support Thunderbolt 4, which at 40 Gb/s is still twice as fast as USB-C 3.2 Gen 2x2.

          They range from $49-$299, depending on the features and number of ports needed. If you’re using the native HDMI port on your MacBook Pro, it’ll be on the low end of the price range.

          The only cable that comes with a MacBook Pro is a USB-C charging cable.

          • potustheplant@feddit.nl
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            10 days ago

            The countless remaining docks support Thunderbolt 4, which at 40 Gb/s is still twice as fast as USB-C 3.2 Gen 2x2.

            Awesome. But what I think is ideal is having multiple ports which, in addition, would give you more bandwith, more reliability and more flexibility than a single high bandwidth hub.

            The only cable that comes with a MacBook Pro is a USB-C charging cable.

            You misread. I was referring to the cables the devices you use with your laptop come with.

            • disguy_ovahea@lemmy.world
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              10 days ago

              MacBook Pro comes with three Thunderbolt 5/USB-C ports (120 Gb/s), HDMI 2.1b, MagSafe 3, and a 3.5 mm headphone jack. Trading a USB-C port for USB-A means potentially downgrading a USB-C capable device to USB-A with an adapter. The opposite results in better performance, and the adapters will continue to be useful as long as you own USB-A devices. When computers only have USB-C ports, your other adapters will be useless.

              As for cables, I replace them rather than using adapters. Monoprice.com sells quality cables relatively inexpensively.

              • potustheplant@feddit.nl
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                10 days ago

                Again, missing the point. There’s nothing you need to “trade”. They could simply add more ports.

                Monoprice is not a worlwide brand and buying more stuff is not a sensible solution to a manufactured problem.

                • disguy_ovahea@lemmy.world
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                  10 days ago

                  There’s nothing simple about adding more ports on a portable computer. It means additional buses, I/O boards, and a larger device size.

                  Most manufacturers that offer USB-A ports don’t have three Thunderbolt 5 ports. It would either be modular or a trade if you’re making a true comparison.

                  • potustheplant@feddit.nl
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                    10 days ago

                    If they could do it in 2010, they can do it in 2024. And no, it wouldn’t significantly increase the footprint.

                    About TB5 you’re right. Most laptops don’t have it but you’re also conveniently ignoring that the first laptops with those ports were released literally a few months ago.