Because the standard power brick is rated for 150W, the USB-C standard would only provide 2/3 of the required power, so even an eGPU that can deliver 100W over the USB-C/Thunderbolt connection would be inadequate. One eGPU (the AkiTiO Node Pro) offers two USB-C/Thunderbolt ports that can supply 60W each. Yes, you can use a normal USB-C cable for the Thunderbolt 3 port. This convenience is because Thunderbolt 3 has adopted the USB-C format. However, the speed at which the data will transfer depends

which has this nugget: USB Type-C information. • USB 3.2 Gen 2 with transfer speeds up to 10 Gbps. • Supports DisplayPort™ audio/video output. • Compatible with Thunderbolt™ 4. • Delivers up to 3 A at 5 V DC for USB charging. • DC-in: requires power adapter or power source providing 65 W at 20V.

There’s an active USB-A to USB-C cable for the Quest 2 VR headset – although it will work with any compatible USB device. It comes in 16.4 and 24.6 feet lengths and features a right-angled USB-C connector so that it’s easy to plug into the Quest 2 while keeping the cable tidied away. It has full USB 3.1 Gen 1 5Gbps bandwidth, giving you Thunderbolt 3 transfers data at up to 20Gbps over passive cables, at equivalent speeds to Thunderbolt 2, and double the speed of USB-C. But while passive cables are the most compatible with both Tiger Lake's integrated xHCI controller (the USB 3.2 host) only supports a maximum of 10gbps operation, so Gen 2x1. Same with Burnside. The retimer only supports 10gbps operation when in USB 3.2 mode. In USB4 mode, your total bandwidth will be up to 40Gbps on a Tiger Lake system, but the individual USB devices can be at most 10Gbps. Apple's cable is rated higher than most other USB-C cables you can buy, supporting Thunderbolt 4, USB 4, 40GB/s, and 100 W of power. Still, you might wonder how different a lower-rated, much-lower A multi-lane SuperSpeed (3.2 gen 2) device or a device/charger that supports Battery Charging (BC) mode can request up to 6 units of 250mA each, at +5v. Which means up to 7.5W. USB-C cables must have 3A and 20V support at a minimum. USB 4 controllers have the option but not requirement to implement Thunderbolt 3.
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Thunderbolt cables can be used for any USB-C application/device because it is the highest specked and completely backward compatible with all flavors of USB. However, if you use a USB-C cable on a Thunderbolt device, the device will be limited to the capabilities of the cable. Read through a few of the other comments on this post as well as the
A Thunderbolt expansion dock lets you connect a single cable to a Thunderbolt port and then provides different kinds of ports to your PC. These may include an Ethernet connector, an HDMI port, multiple USB ports, and a 3.5 mm headphone jack. Conversely, USB C can only offer individual connections in single ports. If all you want to do is charge your HP Spectre x360, Dell XPS 13, or MSI Prestige using its Thunderbolt 4 port, you can just buy a standard USB 2.0, USB-C charging cable. Thunderbolt 3 Transfer/Charging Speed. The Thunderbolt 3 cable doubles the max data transfer speed of USB-C, running as fast as 40Gbps. While it has a default charging speed of 15 watts (six times faster than USB-C’s default speed), if you connect your device with USB PD, you achieve about the same 100 watts of power as USB-C. Instead of plugging your ethernet cable into the USB-C dongle, you can use a separate Wi-Fi connection, for example. Traditionally, the only other alternative was a Thunderbolt dock .
Make sure you connect both ends of the cables using the relevant cable (USB 2.0 or 3.0). Depending on the brand, you might even need a TB_Header converter (especially the case with second generation). In fact, some even require a PCIe cable connection directly from the PSU. Some Thunderbolt 4 AICs use an extra PCIe cable for additional power
Thunderbolt 4 uses the USB-C form factor and is compatible with older versions of Thunderbolt. It's also capable of handling USB, with a bump up to USB4 compliance alongside older versions. It's USB-C cables and ports that follow the current-gen, USB 3.2 specifications can support file transfers as fast as 20 gigabits per second, and the upcoming USB 4 specifications could bump that up as
Thunderbolt or Thunderbolt 2 . You can also use the Thunderbolt port of this adapter to connect an external hard drive, dock, Mac, or other device that uses a Thunderbolt or Thunderbolt 2 cable for data transfer. This adapter supports data-transfer speeds up to 10Gbps with Thunderbolt devices, and up to 20Gbps with Thunderbolt 2 devices.

StarTech.com Thunderbolt 3 Cable – 6 ft. / 2m – 4K 60Hz – 40Gbps – USB C to USB C Cable – Thunderbolt 3 USB Type C Charger. The final option on this list worth considering is the Startech Thunderbolt3 cable. This is another one that comes in a variety of sizes, ranging from 1.5ft to 6ft, with 2.7ft and 3ft sat in the middle.

For USB Power Delivery, DisplayPort over USB-C cables can provide up to 100 watts. This is convenient for laptop users, as it's possible to maintain your laptop's charge via the connection to the monitor, meaning it's unnecessary to drag the charger around with you. DisplayPort over USB-C can also transmit video resolutions of up to 8K at 60Hz
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