7 ms·
> Adding a new transfer rate seems like a reasonable place to bump the minor version number of a protocol. After reading all of that I'm even more convinced th
by faller 4y ago
> Adding a new transfer rate seems like a reasonable place to bump the minor version number of a protocol. After reading all of that I'm even more convinced that it should have just been USB 3.2.
I'm not sure you read any of that. I mean, they bumped the standard version to 3.1 from 3.0 after adding a new transfer rate.
Also, USB 3.2 was bumped up from 3.1 after adding two new data transfer modes.
I also add that the naming scheme is quite obvious once you start to think about it.
* USB 3.0 only supports the one SuperSpeed data transfer mode.
* USB3.1 was released, and it specifies two distinct data transfer modes: the legacy Gen1 mode and the novel Gen2 mode.
* USB3.2 is released, and it supports four transfer modes: the legacy Gen1 and Gen2 modes from USB3.1, and two new SuperSpeed+ modes which are 2x and 4x faster than Gen2.
- colejohnson66 4y agoBut then why rename 3.0 to 3.1 then 3.2? And now with USB4, everything is USB4. If I remember the upcoming standard correctly, your cheap USB-C cable only doing 420 Mb/s (USB 2 speeds) is now USB4! For free! If a USB 3.0 cable can suddenly become USB 3.1 (or 3.2) overnight, then what's the point of versions? And what's with "Gen #" at the end? Because a consumer is easily going to be able to see that a USB 3.2 Gen 2x2 is better than a USB 3.2 Gen 1 cable? Or maybe the sellers will just not advertise the "Gen #" portion? According to the Q&A section of this Samsung external drive[0], the difference between this and a USB 3.1 drive is nothing but the model number. </rant> The USB Consortium has been overrun by marketing that thinks that making things more confusing (read: tricking) is better for the consumer. [0]: https://www.amazon.com/SanDisk-256GB-Extreme-Solid-State/dp/B08GY3Z4JR?sourceid=Mozilla-search https://www.amazon.com/SanDisk-256GB-Extreme-Solid-State/dp/...
- frosted-flakes 4y agoIt's the name of the standard. I'm not sure that those names were ever meant to be user-facing, but unfortunately they are. If device-makers choose to support a newer standard (say 3.2), that standard needs to support older speeds (Gen 1), in addition to newer speeds (Gen 2).
- colejohnson66 4y agoBut USB 3.0 supported USB 2.0 and 1.0/1.1 speeds already without this "generation" garbage. If I plugged a USB 3.0 cable (9 pins) into a USB 2.0 (4 pin) hub, the device still worked at the lower speeds. I could even plug it into a USB 1.1 hub, and it would just work. I didn't need "USB 3.0 Gen 4"[a] (3.0) to know that it would work at "USB 3.0 Gen 2"[a] (1.1) or "USB 3.0 Gen 3" (2.0) speeds. [a]: Made up names; USB 3.0 didn't have this mess
- faller 4y ago> But USB 3.0 supported USB 2.0 and 1.0/1.1 speeds already without this "generation" garbage. No, not quite. What do you think the USB3.0 SuperSpeed is? Why, a brand new transfer mode. > If I plugged a USB 3.0 cable (9 pins) into a USB 2.0 (4 pin) hub, the device still worked at the lower speeds. You'd be glad to know that nothing changed in that regard with USB3.0, 3.1, and 3.2. In fact, the whole point of this submission is to showcase how M1 macs are only capable of drawing a lower data transfer speed unlike the new Mac Studio, thus proving that the M1 macs don't support USB 3.1 Gen2, aka SuperSpeed+.
- colejohnson66 4y agoYou keep dancing around my arguments. The issue isn't that things have changed; it's that they've changed in a way that makes things confusing for consumers. Go ask a random person on the street which is better: "USB 3.2 Gen 1 or USB 3.0?" I guarantee you'll find people thinking "USB 3.2 Gen 1" is better because it's a bigger number. But despite that, they're the exact same thing: 5 Gb/sec ("SuperSpeed").
- faller 4y ago> You keep dancing around my arguments. No, not really. Feel free to point out exactly which argument you feel was ignored. > The issue isn't that things have changed; it's that they've changed in a way that makes things confusing for consumers. That seems to be the source of your confusion: nothing has changed. Each USB spec is backwards compatible and specifies the same data transfer modes. And there is no confusion: if you pick up a USB2 data storage device you know beforehand it won't support SuperSpeed. If you pick up a USB3.0 device you know beforehand it won't support SuperSpeed+. If you pick up a USB3.1 device you know beforehand it won't support SuperSpeed+ 2x or 4x. The whole point of the submission is to call out that M1 macs don't support USB3.1 unlike the new Mac Studio. The article also clearly states that Apple doesn't actually advertise USB3.1, just USB3.
- faller 4y ago> But then why rename 3.0 to 3.1 then 3.2? I honestly have no idea what you're trying to ask. Keep in mind that: * USB3.0 was released in 2008. * USB3.1 was released in 2013. * USB3.2 was released in 2017. Each standard is standalone, and specifies all of its transfer modes. I wouldn't be surprised if each of these specs also included fixes, and thus technically would represent different specs.
- colejohnson66 4y agoI'm not talking about the standards, but the marketing names. "USB 3.0" speed is now "USB 3.2 Gen 1" (or "USB4 Gen 1") speed just because the USB Consortium said so.
- faller 4y ago> I'm not talking about the standards, but the marketing names. "USB 3.0" is now "USB 3.2 Gen 1" No, it's not. If you implement it from the legacy USB 3.0 spec then you don't care about it. It's SuperSpeed, and that's it. If instead you implement it to comply with the USB3.1 spec then you have two separate transfer modes specified in the 3.1 standard: the legacy Gen1 and the newly-added Gen2. If instead you implement it based on the USB 3.2 spec then that standard specifies four distinct transfer modes: the Gen1 specified in USB3.2, the Gen2 specified in USB3.2, and the new ones. > just because the USB Consortium said so. Who exactly do you think the USB consortium is? I mean, how do you think a standard is put together?
- colejohnson66 4y ago> No, it's not. Yes, it is. > If instead you implement it to comply with the USB3.1 spec then you have two separate transfer modes specified in the 3.1 standard: the legacy Gen1 and the newly-added Gen2. No. If your device only supports 5 Gb/sec speeds, it's USB 3.0, yes. "SuperSpeed" and all that jazz. But with USB 3.2, it's now (magically) USB 3.2 Gen 1[0]: > Under this rebranding, the standard previously known as USB 3.0 or USB 3.1 Gen 1 will now be called USB 3.2 Gen 1. Furthermore, the standard previously known as USB 3.1 Gen 2 will now be renamed to USB 3.2 Gen 2. Yes, there's different transfer speeds, but if you only support 5 Gb/sec, you're a "Gen 1" device. If you're arguing that implementing USB 3.1 mandates support of the 10 Gb/sec mode, you're wrong. If that was the case, there'd be no point of this "Gen" nonsense because a 20 Gb/sec device would just be "USB 3.2" and a 5 Gb/sec device would be "USB 3.0". Remember the whole debacle a few weeks ago about HDMI 2.1 essentially just being HDMI 2.0? Why would they do that other than to confuse? The only reason for this (USB) stupid naming is to confuse consumers into thinking that their 5 Gb/sec device is "top of the line" because it supports "USB 3.2" or "USB4". For example, here's a "USB 3.2 Gen 1" flash drive.[1] It's a 5 Gb/sec flash drive, but it's 3.2 instead of the more appropriate 3.0. Why? To confuse. > Who exactly do you think the USB consortium is? I mean, how do you think a standard is put together? I think it's a consortium of companies. Many of which have marketing teams. And I'm right.[2] [0]: https://www.msi.com/blog/new-usb-standard-usb-3-2-gen-1-gen2-explained https://www.msi.com/blog/new-usb-standard-usb-3-2-gen-1-gen2... [1]: https://www.amazon.com/SanDisk-128GB-Ultra-Flash-Drive/dp/B07SYB38Q8?sourceid=Mozilla-search https://www.amazon.com/SanDisk-128GB-Ultra-Flash-Drive/dp/B0... [2]: https://www.usb.org/members https://www.usb.org/members
- jandrese 4y agoHuh? > the implementations that supported SuperSpeed transfer rates were dubbed USB 3.1 Gen1, while the implementations that supported SuperSpeed+ transfer rates were dubbed USB 3.1 Gen2. This is supposedly better than USB 3.0 (original standard), USB 3.1 (new standard, same SuperSpeed as USB 3.0), and USB 3.2 (new standard and also SuperSpeed+).
- faller 4y ago> This is supposedly better than USB 3.0 (original standard), USB 3.1 (new standard (...) Not quite. * USB 3.0 specifies SuperSpeed. No need to go on about GenX given it's the first one introduced by USB3 is there? * USB 3.1 specifies two data transfer modes: Gen1 (the one introduced in USB 3.0) and Gen2 (the fancy new mode just introduced). * USB 3.2 specifies the Gen1 and Gen2 modes from USB3.1, and adds two additional modes.
- Dylan16807 4y agoUSB 3.0 also specifies lower speeds. They didn't need to use "Gen" then, and nothing changed to make them need it after. Nobody cares if multiple speeds are "introduced by USB3". If 3.0 introduces one speed, and 3.1 introduces a different speed, people can understand that just fine. Even if you do want to focus on "introduced by USB3", then you just need "3.[generation]" or "3 Gen [generation]". Not "3.[spec revision] Gen [generation]"
- DiggyJohnson 4y agoThis is interesting, because I see your point and this is a good breakdown of the current naming scheme … but it still seems indefensible. This comment almost reads like satire. I know standards are hard, really hard, but this seems indefensible. Especially the Superspeed -> Superspeed+ (this is ridiculous). Will this get simplified with USB4?