USB4 differs from USB 3.2 in that it can operate at 40Gbps; however, that max theoretical transfer rate is optional. At a minimum, USB4 requires 20Gbps, just like USB 3.2 Gen 2x2.

USB4 promises to smooth out USB chaos and play nicer with Thunderbolt 3. But it's not going to be that easy. Here's what you need to know.

USB4 was announced in March 2019, with a rough outline of its features and capabilities, and since then we’ve gotten a few USB4-powered devices like docking stations and high data transfer cables.

OWC's new Express 4M2 enclosure gives creative pros USB4 performance, smart cooling, and flexible RAID options in a compact, ...

Thunderbolt 4 and (most) USB4 support the latest USB PD 3.1 standard that allows for maximum charging of 240W compared to USB PD 3.0 and Thunderbolt 3’s 100W.

Silicon Motion’s SM2324 chip could enable fast, compact USB4 SSDs up to 32TB, though pricing, thermal demands, and NAND costs may limit mainstream adoption.

The Express 1M2 is designed with a focus on performance, delivering real-world speeds of up to 3151MB/s (when used with most Macs and PCs from 2020 onwards) and supporting USB4, USB 3.2, USB 2, as ...

USB4 Interoperability with Thunderbolt™ 3 (TBT3) Systems September 29, 2022 One of the key goals for USB4 is to retain compatibility with the existing ecosystem of USB3.2, USB 2.0 and Thunderbolt ...

Adata advertises sequential read speeds of up to 3.8GB/s and write speeds reaching 3.7GB/s with ... the SE920 is backward compatible with USB 3.2 and 2.0, but its USB-C USB4 connection also ...

Thunderbolt 3 USB4; Universal USB-C port – Required speed for cables up to 2 meters in length: 120 Gbps (1-way) 80 Gbps (bi-directional) 40 Gbps – 20 Gbps: Accessories with up to 4 Thunderbolt ...

With the latest public update, Windows 11 has gained support for USB4 connections at 80Gbps, also known as USB4 2.0. The upgrade comes with OS builds 22621.3235 ...

ADATA's USB4 SE920 external SSD, which supports Thunderbolt 3 and 4 and is backward compatible with USB 3.2 and USB 2.0, can reach up to 3,800 MB/s per second in full USB4 mode.