Seagate Momentus 5400.2 ST94813AS 40GB SATA Laptop Hard Drive

Capacity: 40GB
Spindle Speed: 5,400RPM
Interface Type: SATA
Disk Size: 2.5″x9mm (Fits in ALL laptops)
Sustained Throughput (MBps): 
Average Seek Time (read/write ms): 12
Electrical Interface Speed: SATA 150 – 1.50Gbps
On-Board Cache: 8MB

These drives provide the following key features:

• 5,400-RPM spindle speed and 8-Mbyte buffer combine for superior performance.
• Quiet operation. Fluid Dynamic Bearing (FDB) motor.
• High instantaneous (burst) data transfer rates (up to 100 Mbytes per second) using Ultra DMA mode 5.
• Giant magnetoresistive (GMR) recording heads and EPRML TECHNOLOGY, which provide the drives with increased areal density.
• State-of-the-art cache and on-the-fly error-correction algorithms.
• Full-track multiple-sector transfer capability without local processor intervention.
• 800 Gs nonoperating shock and 250 Gs 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.
• Support for autodetection of master/slave drives that use cable select (CSEL).

Dell Part Number: XM664 0XM664