4 ms·
The MagSafe port uses USB PD 3.1 EPR. The USB-C ports on the MacBooks don't actually support EPR, so they're limited to 100W.
by banana_giraffe 5y ago
The MagSafe port uses USB PD 3.1 EPR. The USB-C ports on the MacBooks don't actually support EPR, so they're limited to 100W.