Intel Announces Thunderbolt 4 Protocol; Offers 40Gbps Speed, 8K Display Support

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Intel Announces Thunderbolt 4 Protocol; Offers 40Gbps Speed, 8K Display Support
Intel first revealed Thunderbolt 4 throughout its CES 2020 presentation earlier this yr. The firm didn’t share any main particulars for Thunderbolt 4 on the occasion. But at present, it has officially revealed all the things there may be to find out about this next-gen port that may come baked into most laptops within the following years.

First, let’s reply an important query of all – what’s new in Thunderbolt 4? How is it completely different from Thunderbolt 3? Are we going to see insane pace boosts?

As has been rumored for the previous six months, Thunderbolt 4 is actually the identical as Thunderbolt 3 however with some minor enhancements sprinkled on high. First up, there’s no pace enhance. Intel already revealed this again at CES 2020, saying that Thunderbolt 4 is 4 occasions quicker than the present USB commonplace, i.e USB 3.2 Gen 2.

The USB 3.2 Gen 2 port operates at a most pace of 10Gbps. This means the brand new Thunderbolt 4 ports will provide a most throughput of 40 Gbps, which is identical because the previous-gen thunderbolt 3. Intel states that Thunderbolt 4 is constructed upon the Thunderbolt 3 commonplace, thus, it’s not a significant improve.

In addition, Intel has doubled the minimal video and knowledge necessities with this new port. It now helps as much as two 4K shows or a single 8K show. The port helps the identical protocols, together with USB 2.0, USB 3.2, USB 4, DisplayPort, and PCIe (PCI Express), like its predecessor. It additionally requires a minimal knowledge switch fee of 32Gbps through PCIe and 3,000Mbps for storage switch speeds.

The chipmaker is now attempting to spice up the adoption of Thunderbolt 4 ports by laying down some certification necessities. This consists of PC charging on not less than one in all these ports, get up the pc just by touching the mouse/ keyboard while you’re linked to a dock, and Intel VT-d (virtualization expertise) based mostly DMA safety is required.

Intel calls Thunderbolt 4 probably the most full and future-proof model of USB-C port

As for the accent aspect of issues, “Thunderbolt 4 will offer docks with up to four Thunderbolt ports and universal cables up to 2 meters in length.” This will embody one upstream and three downstream ports and the 40Gbps bandwidth will probably be cut up amongst linked equipment utilizing the brand new Thunderbolt 4 controller 8000 sequence.

When will we see Thunderbolt 4 port baked into gadgets? The press launch says that Thunderbolt 4 laptops and equipment will make their debut later this yr. Intel will first introduce it with the upcoming 10nm ‘Tiger Lake’ cell processors. The devkits and certification testing for Thunderbolt 4 are actually obtainable.

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