![]() You're using a cable that doesn't support USB4. The attached device might have limited functionality because it's not using USB4. Your device or dock supports USB4, but it's plugged into a port on your PC that doesn't support USB4. Make sure you use the cable provided by your device or dock manufacturer or a certified USB4 cable.Ĭonnect your USB4 device or dock directly to your PC or only to USB4 docks. Make sure your PC supports USB4 to get the best experience from the attached USB4 device or dock. Make sure the USB4 device you're connecting to is supported by your PC. MHL device functionality might be limited Thunderbolt device functionality might be limited USB device functionality might be limited USB4 device functionality might be limited Here are some USB-C notifications you might receive if there’s a problem: ![]() By supporting USB 3.1 and jumping on the Type-C connector, Thunderbolt 3 may actually be the interconnect to usher in that tidy-cable utopia.Note: If you're having trouble downloading photos, see Import photos and videos from phone to PC. The one obvious exception is external graphics cards, with all but the lowest-end GPUs still drawing more than 100W. With a total bandwidth of 40Gbps, Thunderbolt 3 offers a tantalising glimpse of "one cable to rule them all." In theory, you could use Thunderbolt almost everywhere: to power your laptop, to power and drive your 4K monitor, and to power and connect all of your external peripherals. Ultra-thin laptops, such as the new MacBook with just a single USB Type-C port or Microsoft's Surface line, may also stand to gain a lot from Thunderbolt 3. Type-C has a much smaller Z-height (about 3mm) than Mini DisplayPort (about 5mm), which in theory will allow Thunderbolt to make the jump to tablets and other small form factors. The most exciting aspect of Thunderbolt 3 is its adoption of the USB Type-C connector. Intel is also working on an active optical cable for Thunderbolt 3, but it isn't sharing any more details at the moment, and it won't be on the market until sometime in 2016. (Is this the rebirth of Light Peak?!) There'll also be an active cable that allows for up to 40Gbps, but drops DisplayPort 1.2 connectivity. Intel confirms that this passive cable will be a standard, cheap USB Type-C cable. The Alpine Ridge leak back in April 2014 suggested that HDMI 2.0 would be supported, but Intel today says that DisplayPort 1.2 is "the native standard" for display over Thunderbolt 3, though HDMI 2.0 monitors will be supported with an "adapter." AdvertisementĮnlarge / A promotional image from Intel Light Peak, which is what Thunderbolt started off as, before it got turned into a copper-wire tech.Īt launch, there'll be one passive Thunderbolt 3 cable that supports Thunderbolt, USB 3.1, and DisplayPort 1.2, but with a max bandwidth of only 20Gbps. The official Intel slide deck says that Thunderbolt 3 supports DisplayPort 1.2 (not 1.3), but there's no mention of HDMI. With the increase in max bandwidth, Thunderbolt 3 now supports up to two 4K 60Hz displays or a single 5K 60Hz display running off a single cable. There will be two flavours of the controller, one that uses four PCIe 3.0 lanes to drive two Thunderbolt ports, and another version that only uses two PCIe lanes connected to a single Thunderbolt port. USB 3.1 support is provided by integrating a USB 3.1 host controller into Alpine Ridge. Thunderbolt 3 is backed by Intel's new Alpine Ridge controller. Without USB PD, Thunderbolt 3 will provide up to 15 watts. Thunderbolt 3 also offers an optional 100W of power, in accordance with the USB Power Delivery spec. Gen 2, up to 10Gbps), and the Thunderbolt transport layer sees its max bandwidth doubled from 20Gbps to 40Gbps (bi-directional, full duplex). In addition to the new connector, Thunderbolt 3 now also supports USB 3.1 (i.e. The headline feature: Thunderbolt 3 has changed connector from Mini DisplayPort to USB Type-C. Original storyĪt Computex 2015, Intel has unveiled Thunderbolt 3. The only major correction is that Alpine Ridge is a standalone chipset it isn't intrinsically tied to Skylake. Updated 17:11 BST, 12:11 EST: This post has been updated, following a Thunderbolt webinar where Intel revealed a few more details.
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