As peak bandwidth (40Gbps) didn't get an upgrade over Thunderbolt 3, many consumers just considered it a branding update.
Intel had provided detailed updates on Thunderbolt 4 in mid-2020 before releasing it in Tiger Lake-based products. Joining it are two Thunderbolt 4 cables - the 2m. Plugable is introducing its Thunderbolt 4 product lineup today, with the TBT4-HUB3C Thunderbolt 4 Hub leading the pack.
