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Obviously, you want USB3+ for anything data intensive. Apart from the speed, it has the added advantage that it's full duplex, so data can flow simultaneously in both directions, like on Ethernet networks or PCIe. BTW, 10Gbps USB3 introduces a new channel encoding which is more efficient. So while the 5Gbps variant translates to at most ~450MB/s real data (after accounting for channel encoding and protocol overhead), with 10Gbps you get ~1100MB/s. Consequently, Gen1x2 is slower (2x450 = 900MB/s) than Gen2x1 (1100MB/s). But it might work over longer distances. The 20 Gbps speed is called USB 3.2 Gen 2x2, because it uses two 10 Gbps lanes to give you the 20 Gbps speed. Would it have been less confusing if they called it USB 3.2 Gen 3? Who knows?
Ethernet: A wired Ethernet connection is almost always faster than Wi-Fi and is more reliable, too. Most hubs with Ethernet ports support gigabit speeds, meaning data can transfer at up to 1,000 megabits a second. For each model in the test group, we verified the connection speed in Network Utility on a Mac, which displays the maximum link speed. (Note that unless you have reliable Gigabit Ethernet service, you won’t be able to measure if the port is actually performing at full speed.) Technically speaking, neither USB 3.2 nor USB 3.1 by itself can deliver video. Using DisplayLink technology, one can convert and compress video into USB data that goes out to a specially-enabled hub or portable monitor. However, few people today use DisplayLink devices.
Anyone who works with microcontrollers such as the Raspberry Pi Pico or any Arduino board knows that most of these devices don't have on / off switches or even reset buttons. So, if you change code and need to restart them or you just want to power them off, you often need to yank the plug in and out, a huge hassle that could damage your gear. But with the Sabrent HB-B7C3, you can just toggle power on whatever port your microcontroller is plugged into. Take some of the claims made by some manufacturers with a pinch of salt. We tested a couple of hubs that promised high-end features but failed to deliver during testing. For example, they might promise 4K at 60Hz, but you might find that this only works on specific laptops and displays.
Speed: Most USB hubs operate at standard USB 3.0 (aka USB 3.2 Gen 1) speeds of 5 Gbps. However, a few can deliver 10 Gbps. There are also some cheapies that are limited to USB 2; avoid those at all costs. If you often find yourself confused about the appropriate and satisfactory hub, Ssk Usb Hub is your end point. The ssk usb hub is good for card reader, is best for heat dissipation, it is perfect for an external monitor and has a good design. Ssk 4 in 1 USB c superspeed usb 10gbps hub, all ports in one hand, no matter where you go, when you are on a trip, business conference and travel around the world. Also, this is also best used for wireless mouse/keyboard, more sensitive and more stability due to the usb 3.0 radio frequency interference to the wireless connection. In 2013, USB-IF announced that it was taking USB up to 10 Gbps and, in doing so, changed the version number for all USB 3.x products. So USB 3.0 (5 Gbps) became USB 3.1 Gen 1 and the new, 10 Gbps speed became USB 3.1 Gen 2. If you're using a USB Type-C cable and port, the charger / host device could support USB Power Delivery (USB PD), which can go as high as 240 watts in some cases. But the wattage has nothing to do with data speeds as a USB 2.0 port could have power delivery while a USB 3.2 port might not. Video Over USB 3.2 / USB 3.1 All MacBooks and many of the best Ultrabooks come with only USB-C ports, and just a couple of them. That’s why there are so many portable USB hubs that connect to a computer via a built-in USB-C cable and then provide a few Type-A ports, along with some extra goodies such as an HDMI out or a card reader. Anker’s PowerExpand 4-in-1 USB-C hub has one whiz-bang feature we haven’t seen anywhere else, and that’s a built-in 256GB SSD.
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There are still a couple of caveats here. First, your device needs to support a DisplayPort 1.4 video output over USB-C, which will count out many Chromebooks and some MacBooks and Windows laptops. Second, the hub itself takes 15W of power, which means that – even with a 100W USB-PD charger – you may find some laptops not charging at their highest speeds. But if you’re happy to live with these compromises, this is one of the best USB-C hubs we’ve seen. In 2017, the organization rolled out a 20 Gbps speed for USB 3.x devices. In honor of the new speed, the version number changed for all speeds so the 5 Gbps speed became USB 3.2 Gen 1 and the 10 Gbps speed became USB 3.2 Gen 2 and the 20 Gbps speed became USB 3.2 Gen 2x2. Finally, and perhaps most importantly, external SSDs and the best hard drives need at least USB 3.2 / 3.1 / 3.0 speeds. The fastest external SSDs or SSD enclosures can operate at USB 3.2 Gen 2 (10 Gbps) or USB 3.2 Gen 2x2 (20 Gbps), though the 10 Gbps speed is far more common and cheaper. If you have a USB 3.2 Gen 2 port and want to take advantage of its 10 Gbps speed, look for a cable that supports 10 Gbps (it could be USB 3.2 Gen 2 or USB 3.1 Gen 2) and a peripheral that does the same. If you want to get 20 Gbps speeds, all three pieces: the port, the peripheral and the cable, must support that speed. What Can I Do with USB 3.2 or USB 3.1?
If you're using a USB hub, you'll want at least a 5 Gbps connection, because all of the peripherals connected to that hub will be sharing that bandwidth. So, if you have a mouse, a keyboard and a webcam all plugged into the same hub, they will definitely need at least the 5 Gbps that USB 3.2 Gen 1 / USB 3.1 Gen 1 provides. We also connected an Android phone to the ports and recorded how many volts and amps it received. The phone charging test was probably the most realistic as it showed what kind of volts and amps a real device would negotiate with the hub. This industrial-grade USB hub can extend your device's single USB port to four USB 3.2 ports and allows you to switch the USB devices between two host computers (e.g. Laptop and Raspberry Pi).Output ports: Make sure you get enough ports to attach the number of devices you’re likely to need. Most USB hubs have at least 3, more often 4, output ports, but at your desk, you may need a lot more than that. Also, consider whether you are attaching any USB-C devices (most output ports on hubs are Type-A). Essentially, it's a tiny, super-fast connector that many of the best laptops today have a connector for, with the only downside being that USB A or USB B connectors can't be used with a USB Type-C port (that's where a USB Type-C hub comes in handy). If you're using an external storage device – perhaps an NVMe drive you've put in one of the best SSD enclosures– you’d benefit a great deal from using a hub that supports 10 Gbps connections – alternatively known as USB 3.1 Gen 2 or USB 3.2 Gen 2. Unfortunately, very few USB hubs actually support these higher speeds and even fewer still support the 10 Gbps speed when it comes from a Type-A, rather than a Type-C, port. At 4.8 volts, which is around the minimum voltage most USB devices will tolerate, we got 1.25 and 1.32 amps from the charging and data ports, respectively. When I plugged my Android phone in to charge, a real-world situation because a device will negotiate the best combination of volts and amps, the charging ports sent 4.78 volts at 1.35 amps while the data ports gave the same amount of volts, but just 0.35 amps. To make a long story short, you'll get 6.4 watts from the charging ports, which is decent but not the 15-watts that fast phone chargers provide. All three charging ports should be able to deliver this at once. Unlike cheaper hubs, it supports a full 60Hz refresh rate over HDMI, while there’s a Gigabit Ethernet RJ-45 port for when you need a physical network connection. The Type-C and Type-A connections could be faster, with our SSD speeds limited to around 458MB/sec, but this is a great, fully featured hub that’s still affordable and – most importantly – it just works.
We also did power testing on every powered USB hub. To see just how much electricity the ports could deliver, we connected a MakerHawk Electronic Load Tester to the hub and tried to dial up as many amps as we could. As we dial up amps on any device, the voltage drops, so a 5 volt USB port could drop down to 4 volts or less as we increase the load, but USB devices need close to 5 volts – 4.7 or 4.8 volts is usually enough – so we tested how many amps we could get at 4.8 volts and at the, likely unacceptable, rate of 4.05 volts. pixelpusher220 said:At least for me this was helpful. Basically all that's important is the Gen 1/2 for the Type A, and only Gen2x2 for the zippy zippy. If you have a recent-gen iPad with a USB-C connector, you may find yourself wishing you could connect a USB Type-A device, headphones or even an external display. Anker’s 541 USB-C Hub for iPads has you covered with a unique design that’s meant to snap right into the side of your tablet or even a USB-C laptop. There’s no wire as the USB-C plug and a slight, protruding chin hold the entire metal hub in place. Over-voltage protection, effectively preventing other high-voltage power inputs from damaging the connected devicesAsides from these great features, it also has multiple OS support for use with a wide range of devices including Mac OS, Linux, Windows 11 / 10 / 8.1 / 8 / 7 / XP, and many more! And with a 2 in 4 out feature, a small size, and mounting support for easy installation, this industrial USB hub has everything you need for a multiple-device project! Defines multi-lane operation for new USB 3.2 hosts and devices, allowing for up to two lanes of 10Gbps operation to realize a 20Gbps data transfer rate, without sacrificing cable length
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