=== START OF INFORMATION SECTION ===
Model Family: SanDisk based SSDs
Device Model: SanDisk SSD U100 16GB
Serial Number: 0ba4e8360
User Capacity: 16,013,942,784 bytes [16.0 GB]
Sector Size: 512 bytes logical/physical
Rotation Rate: Solid State Device
Form Factor: 1.8 inches
Device is: In smartctl database [for details use: -P show]
ATA Version is: ACS-2 T13/2015-D revision 3
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is: Fri Oct 23 02:37:12 2015
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
```
smartctl -a f: 一下就真相了。
```
c:\>smartctl -a f:
smartctl 6.4 2015-06-04 r4109 [i686-w64-mingw32-win7(64)-sp1] (sf-6.4-1)
Copyright (C) 2002-15, Bruce Allen, Christian Franke, www.smartmontools.org
f:: Unable to read USB device ID
Please specify device type with the -d option.