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What is Thunderbolt 4?

What is Thunderbolt 4?
Usman Ghumman|

Thunderbolt 4 is a super-fast way to connect your devices. It moves data, video, and power all through one port. It’s fast, simple, and powerful. Laptops, monitors, and storage drives use it to talk to each other without delay. Many people use Thunderbolt 4 without even knowing it.

If your device has a USB-C port with extra power, it could be Thunderbolt 4. Knowing how it works helps you get more from your gear. Whether for work, fun, or school, Thunderbolt 4 makes tech easier. And with the right Thunderbolt 4 cable, everything runs smoother and faster.

What is Thunderbolt 4?

Thunderbolt 4 is a type of Thunderbolt connection that lets you move files, show videos, charge devices, and link other tech, all from one port. It uses the USB-C shape but works better than basic USB-C. It was released in 2020 by Intel as an upgrade over Thunderbolt 3.

The main goal of Thunderbolt 4 was to make tech simpler. Thunderbolt 4 keeps speeds high and setups clean. It supports two 4K displays or one 8K display. It also powers up devices quickly and moves big files in seconds. With the right Thunderbolt cable, you don’t need a bunch of different wires, just one smart one.

Difference between Thunderbolt 4.0 and USB-C

Thunderbolt 4 and USB-C look the same, but don’t always act the same. Every Thunderbolt 4 port works with USB-C. But not every USB-C port has Thunderbolt 4 features. That’s where confusion often starts.

Sets Higher Minimum Requirements

Thunderbolt 4 must meet strong standards. It must support 40 Gbps speed, charging, and two external displays. USB-C doesn’t always promise that. So, USB Thunderbolt 4 gives more power and more performance than standard USB-C.

Cross-Compatibility Between Thunderbolt™ and USB

Thunderbolt 4 works with USB 3.0, USB 4, and older Thunderbolt devices. It’s flexible. You can use the same port for many types of connections. This is helpful when you're using both old and new devices.

Thunderbolt 4 vs. Thunderbolt 3: Evolution and Changes Brought in the Newer Type

Thunderbolt 4 improved some of the features found in Thunderbolt 3. It kept the same shape and speed but raised the quality. Here’s where Thunderbolt 4 made a difference.

Same Max Speed, Better Stability

The Thunderbolt 4.0 speed is still 40 Gbps, like Thunderbolt 3. However, the connection is stronger and more reliable. That means fewer problems with dropped links or lagging devices.

More Display Support

Thunderbolt 4 supports two 4K monitors or one 8K screen. Thunderbolt 3 didn’t always guarantee that. People working with visuals or streaming benefit from clearer and sharper screens.

Required Charging and Wake from Sleep

Thunderbolt 4 must support charging and allow devices to wake from sleep with a connected keyboard or mouse. This helps with smoother setups and better control.

Mandatory 32 Gbps for PCIe

Thunderbolt 4 ensures at least 32 Gbps for PCIe data. That means faster access to storage and stronger performance for external drives.

Smarter Security

Thunderbolt 4 includes extra protection against hackers and unsafe devices. It checks who’s connecting before allowing data to flow. This makes work and personal setups more secure.

Common Uses of Thunderbolt 4

Thunderbolt 4 is used in homes, offices, schools, and creative studios. People enjoy how easy it makes tech. You don’t need lots of cables or ports. Below are a few everyday uses.

Connecting Multiple Screens

Thunderbolt 4 handles two 4K monitors with no lag. Whether editing photos or watching shows, the video stays sharp. It also supports HDMI and Thunderbolt adapters if you need extra flexibility.

Fast Charging and Power Delivery

Use Thunderbolt 4 to charge laptops, tablets, and phones. It supports 100W charging, which is enough for most big devices. Fewer wires. Faster charging. Less time waiting.

File Transfer and Backup

Big files move quickly with Thunderbolt 4 bandwidth. You can back up videos, photos, and apps without delay. Many pros use it to save time during big projects.

One Cable for Everything

One Thunderbolt 4 cable can connect your laptop to a dock, screen, and external drive all at once. It keeps your desk tidy and your gear easy to manage.

External Graphics and eGPU Support

Gamers and video editors use Thunderbolt 4 to link to external graphics cards. This gives laptops more power without needing a full desktop system.

Takeaway

Thunderbolt 4 is fast, smart, and easy to use. It moves files quickly, powers your gear, and clears up cable mess. From work to gaming, it helps tech feel smoother. It’s one port that does it all, and it keeps your setup future-ready.

Thunderbolt 4 keeps things simple, fast, and clean. One port, one cable, many uses, from charging to displays to fast data transfer, it covers it all. Check out premium Thunderbolt 4 cables and accessories at TS Cables for your connection to better, faster, and easier setups.

FAQs

What speed does Thunderbolt 4 offer?

The Thunderbolt 4.0 speed is up to 40 Gbps for data, video, and charging.

Is Thunderbolt 4 the same as USB-C?

No. It uses the same shape, but the difference between Thunderbolt and USB-C is in the speed, power, and features.

Can I use HDMI with Thunderbolt 4?

Yes. Many docks support HDMI and Thunderbolt together for dual displays.

Are Thunderbolt 4 cables backward compatible?

Yes. A Thunderbolt 4 cable works with Thunderbolt 3, USB-C, and more.

Does Thunderbolt 4 support charging?

Yes. USB Thunderbolt 4 supports up to 100W charging for laptops and devices.

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