The extra row of pins has nothing to do with the speed rating of either V60 or V90. The higher bus speed available for the rating of "UHS II" vs. "UHS I" is what the additional pins are for.
Unfortunately there are no cameras offered by Autel that can take advantage of that extra bus speed. So those additional pins are not utilized. The card can be used and will run at the full V60 speed, but only at the UHS I bus speed.
The higher bus speed is equivalent to the number of lanes on a highway. The V60 rating is equivalent of the number of cars able to travel on that specific number of lanes. The more cars, the slower the traffic.
As with all cards, the maximum write speed quoted, will in real world conditions yield a sustained write speed of about 65% of the quoted maximum speed. With my Delkin V60 cards, that is usually about 100 Mb/s sustained write speed.
For less experienced members... generally ignore the quotes on various cards regarding the read speed. For our purposes, the write speed when recording will infuence video quality... the read speed does not.