Glossary / USB-C
Thunderbolt 5
80 Gbps symmetric, up to 120 Gbps for displays, more power.
Thunderbolt 5 raises the ceiling to 80 Gbps symmetric bandwidth and up to 120 Gbps in the asymmetric 'Bandwidth Boost' mode for high-refresh displays, along with higher power delivery. It is backward-compatible with earlier Thunderbolt and USB4 devices, negotiating down to whatever the weakest link supports.
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Related: E-marker USB Power Delivery (USB-PD) Extended Power Range (EPR, 240 W) Thunderbolt 4 USB4 DisplayPort Alt Mode VDO (Vendor Defined Object) USB-IF (USB Implementers Forum) PDO (Power Delivery Object) SOP' (cable plug identity) UHBR (Ultra High Bit Rate) Active vs. passive cable