Is u3 better than a1?

Is u3 better than a1?

Is u3 better than a1?

UHS-I U3 / V30 Cards
These aren't ideal for app use like A1 cards will be, but they're better than nothing. And unfortunately, they're pretty much the fastest you can get right now.

  • 908.7K views
  • 2024-02-08 10:22:43
Show all Q/A Info

Is u3 enough for 4k?
Only the U3 class is capable of writing at the speed required for 4K video which is 30MB/s. Choose only cards that have the U3 marking (The number 3 inside a capital U).
2024-02-20 03:28:32


What is a1 on sd card?
There are two ratings for the App Performance Class which are known as A1 and A2. A1 has a minimum random read of 1500 IOPS and a minimum random write of 500 IOPS while A2 has a minimum random read of 4000 IOPS and a minimum random write of 2000 IOPS.
2024-02-20 01:20:10


What does u3 mean on sd card?
U1 and U3 refer to the write speed of the cards. U1 can write up to 10MB/s while U3 can write up to 30MB/s. That's a big difference considering the size of most image and video files created by contemporary cameras.
2023-12-10 16:56:38


What is a1 level japanese?
A1 level. Can understand and use familiar everyday expressions and very basic phrases aimed at the satisfaction of needs of a concrete type. Can introduce him/herself and others and can ask and answer questions about personal details such as where he/she lives, people he/she knows and things he/she has.
2023-12-01 01:18:07