Per-segment, per-direction bandwidth budget
Link generation
Thunderbolt 3/4 — 40 Gb/s
Thunderbolt 5 — 80 Gb/s
Thunderbolt 5 Bandwidth Boost — 120 Gb/s
4K60 displays (12.5 Gb/s each)
DSC on displays (÷3)
SSD read (device → host)
SSD write (host → device)
NIC downstream
NIC upstream
USB 3 devices (downstream)
Segment 1 — host ↔ SSD enclosure (carries everything)
Segment 2 — SSD enclosure ↔ dock (displays + NIC + USB)