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Thunderbolt 3 Gen 2 and Gen 3 and the USB4 Gen 2 and Gen 3 modes use very similar signaling. However, Thunderbolt 3 runs at slightly higher speeds, called legacy speeds, compared to rounded speeds of USB4. [34] It is driven slightly faster at 10.3125 Gbit/s (for Gen 2) and 20.625 Gbit/s (for Gen 3), as required by Thunderbolt specifications.
Thunderbolt 3, 4, or 5 ports USB-C Thunderbolt 3, 4, or 5 connector. Thunderbolt 3 is a hardware interface developed by Intel. [75] It shares USB-C connectors with USB, supports USB 3.1 Gen 2, [76] [77] [78] and can require special "active" cables for maximum performance for cable lengths over 0.5 meters (1.5 feet). Compared to Thunderbolt 2 ...
It was just last week when we heard that the 20Gbps USB 3.2 connectivity may show up on new devices later this year, but today, Intel is already talking about an even speedier USB4. At a Taipei ...
Includes new USB4 Gen 2×2 (64b/66b encoding) and Gen 3×2 (128b/132b encoding) modes and introduces USB4 routing for tunneling of USB 3.2, DisplayPort 1.4a and PCI Express traffic and host-to-host transfers, based on the Thunderbolt 3 protocol; requires USB4 Fabric. USB4 2.0: September 2022: 120 ⇄ 40 Gbit/s: asymmetric
It is used for all USB protocols and for Thunderbolt (3 and later), DisplayPort (1.2 and later), and others. Developed at roughly the same time as the USB 3.1 specification, but distinct from it, the USB-C Specification 1.0 was finalized in August 2014 [ 26 ] and defines a new small reversible-plug connector for USB devices. [ 27 ]
The written USB 3.0 specification was released by Intel and its partners in August 2008. The first USB 3.0 controller chips were sampled by NEC in May 2009, [4] and the first products using the USB 3.0 specification arrived in January 2010. [5] USB 3.0 connectors are generally backward compatible, but include new wiring and full-duplex operation.
The USB 3.1 specification takes over the existing USB 3.0's SuperSpeed USB transfer rate, now referred to as USB 3.1 Gen 1, and introduces a faster transfer rate called SuperSpeed USB 10 Gbps, corresponding to operation mode USB 3.1 Gen 2, [62] putting it on par with a single first-generation Thunderbolt channel.
Other components include an image signal processor, a NVM Express storage controller, a Secure Enclave, and a USB4 controller that includes Thunderbolt 3 (Thunderbolt 4 on Mac mini) support. The M2 Pro, Max and Ultra support Thunderbolt 4. Supported codecs on the M2 include 8K H.264, 8K H.265 (8/10bit, up to 4:4:4), 8K Apple ProRes, VP9, and JPEG.