Cisco Cisco Content Delivery Engine 220 Technical References

=== START OF INFORMATION SECTION ===

Device Model:     ST3500320NS

Serial Number:    9QMCJL81

Firmware Version: SN06

User Capacity:    500,107,862,016 bytes

Device is:        Not in smartctl database [for details use: -P showall]

ATA Version is:   8

ATA Standard is:  ATA-8-ACS revision 4

Local Time is:    Mon Aug 22 04:04:04 2011 UTC

SMART support is: Available - device has SMART capability.

SMART support is: Enabled

…

The top of the drive label clearly states either Barracuda or Constellation and the Cisco Part number (see 

.