Seagate Momentus 7200.4 high-speed 2.5" notebook Serial ATA drive with NCQ. Suitable for all mainboards with an SATA interface.

• Perpendicular recording technology.
• State-of-the-art cache and on-the-fly error-correction algorithms.
• Native Command Queuing (NCQ) with command ordering.
• Full-track multiple-sector transfer capability without local processor intervention.
• 1,000 G non-operating shock and 350 G of operating shock.
• SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns.
• The 3D Defense System™, which includes Drive Defense, Data Defense and Diagnostic Defense, offers the industry’s most comprehensive protection for disc drives.
• Support for S.M.A.R.T. drive monitoring and reporting.
• Support for Read Multiple and Write Multiple commands.5-year warranty

ST9320423AS Specifications
Interface	Serial ATA (3 Gb/sec.)
Capacity	320 GB
Speed	7200 rpm
Cache	16 MB
Power Requirements	+5V ± 5%
Current	Seek 2.2 W; Idle 0.7 W
Acoustics	Idle 2.5 bel; Seek 2.7 bel
Average Seek Time	11 ms
Average Latency	4.17 ms
Shock (1/2 sine wave)	Operating 350 G; non-operating 1,000 G
MTBF (meantime between failures)	500,000 POH
Operating Temperature	Operating 0°C ~ 60°C; Non-operating -40°C ~ 70°C
Operating Humidity	5% ~ 90% (relative humidity; non-condensing)

Note: For information regarding a Windows installation on your VIA SATA system, please click here.