Was "USB 3.2 Gen 2x2" not the name of SuperSpeed 20Gbps before USB 4 got released?
• USB 3.2 Gen 1
o Product capability: product signals at 5Gbps
o Marketing name: SuperSpeed USB
• USB 3.2 Gen 2
o Product capability: product signals at 10Gbps
o Marketing name: SuperSpeed USB 10Gbps
• USB 3.2 Gen 2x2
o Product capability: product signals at 20Gbps
o Marketing name: SuperSpeed USB 20Gbps
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To avoid consumer confusion, USB-IF’s recommended nomenclature for consumers is “SuperSpeed USB” for 5Gbps products, “SuperSpeed USB 10Gbps” for 10Gbps products and “SuperSpeed USB 20Gbps” for 20Gbps products.
https://www.usb.org/sites/default/files/usb_3_2_language_pro...
The SuperSpeed name was originally introduced with USB 3.0