The media is likely to be defective.
6.9 GByte OK (14643593 sectors)
55.4 GByte DATA LOST (116387447 sectors)
Details:0 KByte overwritten (0 sectors)
0 KByte slightly changed (< 8 bit/sector, 0 sectors)
55.4 GByte corrupted (116387447 sectors)
0 KByte aliased memory (0 sectors)
First error at offset: 0x00000001bee31200
Expected: 0x00000001bee31200
Found: 0x024fb415c0f08688
H2testw version 1.3
Writing speed: 6.19 MByte/s
Reading speed: 9.00 MByte/s
H2testw v1.4