Seagate ST9320421AS SATA Hard Drives

Capacity: 320GB
Spindle Speed: 7,200RPM
Interface Type: SATA
Disk Size: 2.5″x9mm (Fits in ALL laptops)
Sustained Throughput (MBps): 
Average Seek Time (read/write ms): 2.3 / 2.1
Electrical Interface Speed: SATA 300 – 3.0Gbps
On-Board Cache: 16MB

The Seagate® Momentus® 7200.3 laptop hard drive delivers industry-leading 7200-RPM performance while offering the industry’s lowest power consumption levels. Available with 16 MB of cache and a SATA 3Gb/s NCQ interface, the Momentus 7200.3 hard drive is perfect for performance laptops, workstations and small form factor desktop systems.

Key Advantages

• Highest available notebook performance increases productivity in all ENVIRONMENTS.
• Developed with proven Seagate 7200-RPM laptop TECHNOLOGY
• Available in capacities of 320, 250, 160, 120 and 80 GB
• SATA 3Gb/s NCQ interface
• 16-MB cache on every capacity
• Green features:QuietStep™ ramp load TECHNOLOGY enables ultra-quiet load/unload acoustics
  • Leverages Seagate laptop power MANAGEMENT TECHNOLOGY, delivering the lowest-power 7200-RPM laptop hard drive yet
  • Utilizes ramp load features which remove the head from the disk during idle periods, improving idle power consumption and adding to the durability of the drive
• Perpendicular recording technology

General
MANUFACTURER	Seagate TECHNOLOGY
Model	ST9320421AS
Product Line	Seagate Momentus
Environmental Parameters
Max Operating Temperature	60 °C
Min Operating Temperature	0 °C
Shock Tolerance Operating	350 G @ 2 ms
Shock Tolerance Storage	1000 G @ 1 ms
Interface
Connector Type	7 pin Serial ATA
Interface (Storage)	Serial ATA-300
Drive Performance
Average Latency	4.17 ms
Average Seek Time	2.3 ms
Buffer Size	16 MB
Capacity	320 GB
Data Transfer Rate	300 MBps
Form Factor	2.5 x .374
Hard Drive Type	Internal hard drive
Interface Type	Serial ATA-300
Non-Recoverable Errors	1 per 10^14
Spindle Speed	7200 rpm
Dimensions & Weight
Depth	3.945 in
Height	.374 in
Weight	.238 lbs
Width	2.75 in