Seagate Momentus 7200.4 80GB SATA Hard Drives ST980412ASGCapacity: 80GB

Spindle Speed: 7,200RPM
Interface Type: SATA
Disk Size: 2.5″x9mm (Fits in ALL laptops)
Sustained Throughput (MBps): 78
Average Seek Time (read/write ms): 11 / 12
Electrical Interface Speed: SATA 300 – 3.0Gbps
On-Board Cache: 8MB

These drives provide the following key features:
• 7200-RPM spindle speed.
• 16-Mbyte buffer.
• Free Fall Protection (on ST9500420ASG, ST9320423ASG, ST9250410ASG, ST9160412ASG, 
ST9120410ASG and ST980412ASG models only)
• Quiet operation. Fluid Dynamic Bearing (FDB) motor.
• High instantaneous (burst) data-transfer rates (up to 3.0 Gbits per second).
• 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.
• 1000 Gs nonoperating shock and 350 Gs 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.