Maxtor OneTouch 320GB

With original PSU
And USB cable

CHKDSK:

Windows has scanned the file system and found no problems.
No further action is required.

 312550743 KB total disk space.
  15623044 KB in 9 files.
        72 KB in 14 indexes.
         0 KB in bad sectors.
     75743 KB in use by the system.
     65536 KB occupied by the log file.
 296851884 KB available on disk.

      4096 bytes in each allocation unit.
  78137685 total allocation units on disk.
  74212971 allocation units available on disk.
Total duration: 54.69 milliseconds (54 ms).