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SanDisk Extreme Pro microSDXC Class 10 UHS-II U3 275MB/s 64GB vs. SanDisk Extreme Pro microSDXC Class 10 UHS-I U3 V30 A2 170/90MB/s 128GB + 9

Application Performance Class
No
Yes
No
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Speed class (App)
Class 2 (A2)
Class 2 (A2)
Class 1 (A1)
Class 2 (A2)
Class 1 (A1)
Class 1 (A1)
Class 1 (A1)
Speed class
Class 10
Class 10
Class 10
Class 10
Class 10
Class 10
Class 10
Class 10
Class 10
Class 10
Class 10
Ultra High Speed (UHS)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Speed class (UHS)
UHS U3 (Class 3)
UHS U3 (Class 3)
UHS U3 (Class 3)
UHS U3 (Class 3)
UHS U1 (Class 1)
UHS U3 (Class 3)
UHS U3 (Class 3)
UHS U1 (Class 1)
UHS U1 (Class 1)
UHS U3 (Class 3)
UHS U1 (Class 1)
UHS interface
UHS-II
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
Yes
Yes
Yes
No
Yes
No
No
No
Yes
Yes
Speed class (VSC)
V30
V30
V30
V30
V30
V10
Features
Read speed
275 MB/s
170 MB/s
170 MB/s
160 MB/s
100 MB/s
170 MB/s
100 MB/s
120 MB/s
100 MB/s
170 MB/s
100 MB/s
Write speed
100 MB/s
90 MB/s
90 MB/s
90 MB/s
50 MB/s
90 MB/s
90 MB/s
90 MB/s
90 MB/s
25 MB/s
Format
microSDXC
microSDXC
SDXC
microSDXC
microSDXC
microSDXC
microSDXC
microSDXC
microSDXC
SDXC
microSDXC
Memory capacity
64 GB
128 GB
64 GB
256 GB
128 GB
256 GB
256 GB
512 GB
256 GB
128 GB
256 GB
Price/GB
3.44 $/GB
0.41 $/GB
0.56 $/GB
0.31 $/GB
0.23 $/GB
0.43 $/GB
0.49 $/GB
0.27 $/GB
0.26 $/GB
0.55 $/GB
0.21 $/GB