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Impartial price comparison

SanDisk Ultra Compact Flash 4GB vs. SanDisk Extreme Pro CFexpress Type B 128GB + 9

Read speed
10 MB/s
1700 MB/s
515 MB/s
120 MB/s
160 MB/s
1700 MB/s
160 MB/s
1750 MB/s
160 MB/s
1000 MB/s
1700 MB/s
Write speed
9 MB/s
1200 MB/s
240 MB/s
85 MB/s
150 MB/s
1400 MB/s
155 MB/s
1000 MB/s
150 MB/s
Format
CompactFlash
CFexpress
CFast
CompactFlash
CompactFlash
CFexpress
CompactFlash
CFexpress
CompactFlash
CFexpress
CFexpress
Card type
Type B
Type B
Type B
Type B
Memory capacity
4 GB
128 GB
64 GB
32 GB
64 GB
512 GB
64 GB
128 GB
32 GB
128 GB
64 GB
Price/GB
15.25 £/GB
1.53 £/GB
1.91 £/GB
0.81 £/GB
0.97 £/GB
0.94 £/GB
0.86 £/GB
1.24 £/GB
0.97 £/GB
1.24 £/GB
1.8 £/GB