Seagate Barracuda 7200.12 ST3320418AS SATA Hard Disk

Capacity: 320GB
Spindle Speed: 7,200RPM
Interface Type: SATA
Disk Size: 3.5″x1.0″ (LFF Hard Drive)
Sustained Throughput (MBps): 125
Average Seek Time (read/write ms): 8.5 / 9.5
Electrical Interface Speed: SATA 300 – 3.0Gbps
On-Board Cache: 16MB

The Seagate® Barracuda® hard drive combines proven technology and components with industry-leading MANUFACTURING expertise to deliver up to 1.5 TB of sustainable desktop storage with 32-MB cache. By combining sustainable Seagate technology and components with industry-leading volume manufacturing, the Seagate Barracuda drive delivers up to 1.5 TB of green, low-power yet high-performance, desktop storage. This versatile drive family, also available in capacities of 750-GB with 32-MB cache, 500-GB with 16-MB cache, and 320, 250 and 160-GB—all with 8-MB cache, is ideal for desktop applications such as workstations, desktop RAID, gaming PCs, high-end PCs, mainstream PCs and USB/FireWire/eSATA external storage.

Best-Fit Applications
* Workstations 
* Desktop RAID 
* Gaming PCs 
* High-end PCs 
* Mainstream PCs 
* USB/FireWire/eSATA personal external storage 

Compatibility

This drive is compatible with any system that acepts 3.5″ SATA hard drives.

Specifications
Model Number	ST3320418AS
Interface	SATA
Cache	16 MBytes
Capacity	320 GB
Guaranteed SECTORS	625,142,448
PHYSICAL
Height (max)	26.1 mm  (1.028 inches)
Width (max)	101.6 mm  (4.010 inches)
Length (max)	146.99 mm  (5.787 inches)
Weight (typical)	380 grams  (.838 pounds)
PERFORMANCE
Spindle Speed	7,200 rpm
Average latency	4.16 msec
Random read seek time	8.5 msec
Random write seek time	9.5 msec
RELIABILITY
Annual Failure Rate	0.34%