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SanDisk Secure Digital 2GB vs. SanDisk Ultra microSDXC Class 10 UHS-I U1 A1 100MB/s 128GB + 9

Application Performance Class
No
Yes
Yes
No
No
Yes
Yes
No
Yes
No
No
Speed class (App)
Class 1 (A1)
Class 2 (A2)
Class 2 (A2)
Class 2 (A2)
Class 2 (A2)
Speed class
Class 10
Class 10
Class 10
Class 10
Class 10
Class 10
Class 10
Class 10
Class 10
Class 10
Ultra High Speed (UHS)
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Speed class (UHS)
UHS U1 (Class 1)
UHS U3 (Class 3)
UHS U3 (Class 3)
UHS U3 (Class 3)
UHS U3 (Class 3)
UHS U3 (Class 3)
UHS U3 (Class 3)
UHS U3 (Class 3)
UHS U1 (Class 1)
UHS U1 (Class 1)
UHS interface
UHS-I
UHS-I
UHS-I
UHS-I
UHS-I
UHS-I
UHS-I
UHS-I
UHS-I
UHS-I
Video Speed Class (VSC)
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
Speed class (VSC)
V30
V30
V30
V30
V30
V30
Features
Read speed
5 MB/s
100 MB/s
160 MB/s
100 MB/s
100 MB/s
170 MB/s
160 MB/s
170 MB/s
170 MB/s
80 MB/s
100 MB/s
Write speed
1.5 MB/s
50 MB/s
90 MB/s
90 MB/s
40 MB/s
90 MB/s
60 MB/s
90 MB/s
90 MB/s
10 MB/s
40 MB/s
Memory capacity
2 GB
128 GB
128 GB
128 GB
128 GB
128 GB
64 GB
64 GB
256 GB
128 GB
64 GB
Price/GB
3 £/GB
0.06 £/GB
0.15 £/GB
0.11 £/GB
0.09 £/GB
0.13 £/GB
0.17 £/GB
0.22 £/GB
0.12 £/GB
0.09 £/GB
0.11 £/GB