Yes, the Nikon Z6 III is compatible with the Sony Tough G 128GB CFexpress Type B.
Sony Tough G CFexpress Type B writes at 1480 MB/s, exceeding Nikon Z6 III's 500 MB/s requirement for 4K60. Type B slot confirmed on Z6 III.
“Nikon Z6 III product page: Dual Card Slots — SD UHS-II + CFexpress (Type B)/XQD; CFexpress Type B cards supported in the dedicated CFexpress/XQD slot.”
Last verified:
Confidence: inferred