PCIe support allows gamers to turn a laptop without much in the way of graphics support into a pretty good gaming machine. Samsung supports daisy-chaining for monitors with USB 3.1, but generally, this feature is not as well supported as it is with Thunderbolt 3.įinally, Thunderbolt 3 can support PCIe devices such as external graphics card docks, while USB 3.1 does not. Daisy chaining is typically used to connect multiple displays, but it could also be used to chain up several monitors and external hard drives off of a single port. If you use a USB 3.1 device as Device C, for example, then the daisy chain stops at that point.Īlso, keep in mind that your laptop will need the computing resources to deal with all those connected Thunderbolt devices. All devices have to be using Thunderbolt 3. This means you plug device A into the Thunderbolt 3 port on your laptop, and then you connect device A to device B and so on. With Thunderbolt 3, you can also daisy chain up to six additional devices to your source machine. Thunderbolt 3, by comparison, supports video out of the box. However, Alt Mode is that it’s an optional feature that OEMs have to enable. USB 3.1 Gen 2 supports video as well in what’s called “Alt Mode” where you can connect directly to a DisplayPort monitor–HDMI is also possible. You can also connect up to two 4K displays at 60Hz over DisplayPort. Thunderbolt speeds don’t just mean you can transfer a two-hour 4K video to an external drive that much faster. When using USB, the Thunderbolt 3 port is limited to the USB speeds of the connected device, not the blazing fast speeds of Thunderbolt. Thunderbolt 3 has a “fallback” option, where if it cannot communicate with a connected device as a Thunderbolt unit, then it tries the USB protocol. Now, here’s the critical point about Thunderbolt 3 and USB: A Thunderbolt 3 port can also function as a USB port, but a USB port cannot work as Thunderbolt 3. If it’s Thunderbolt 3 the lightning bolt appears as you see above. USB ports can also have lightning bolts, but these signify that the USB port is capable of charging small items such as smartphones even when the laptop is turned off. It's still extremely limited in support for AMD users, but hopefully, as time passes, more will get the certification and make it possible.To tell the difference, Thunderbolt 3 ports, cables, and gear are typically labeled with an arrow-shaped like a lightning bolt. Besides super-fast data transfers, you can hook up accessories such as docks, external high-res displays, external GPUs, and even daisy chain together up to six devices. The advantage to Thunderbolt 3 is the incredible bandwidth that's possible down one single cable. And as with the X570 platform, you also get PCIe 4 support as well as Wi-Fi 6 here, too. Gigabyte bundles its GC-Titan Ridge PCIe expansion card with the motherboard, which opens up access to the Thunderbolt 3 connection. The implementation is a little less elegant than on the ASRock but still effective. If you're building something a bit more workstation-oriented, then you'll be looking for the Gigabyte TRX40 Designare, a motherboard for Threadripper systems that also supports Thunderbolt 3. The USB-C port on the motherboard doubles as both USB 3.2 and Thunderbolt 3. ITX motherboards are inherently limited by their size, but if you're looking for Thunderbolt connectivity, this is the one. The Phantom Gaming ITX TB3 also supports Wi-Fi 6 with an included antenna, and as it carries the AMD X570 chipset, you also get super-fast PCIe 4. This is mostly down to the space available, but it's a pretty incredible creation. This Mini-ITX board is something of a Frankenstein, not just because it carries Thunderbolt 3 certification, but because it also sacrifices the traditional AMD cooler mounting system in favor of Intel's. If you're building a Ryzen system, then you'll be needing the ASRock Phantom Gaming ITX TB3 motherboard.
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