Momentus 7200.4 SATA 3Gb/s 500-GB Hard Drive
The Seagate Momentus 7200.4 drive delivers the highest available capacity on a laptop hard drive while satisfying todays need for performance. System builders can count on extending the life of their 7200-RPM laptops by eliminating the need to replace or upgrade due to performance issues. All this without sacrificing battery life, because these new 7200-RPM drives draw only slightly more power than a 5400-RPM laptop drive.
Key Advantages
- Highest available notebook performance increases productivity in all environments.
- 500-GB capacity
- Native Command Queuing (NCQ) with command ordering
- Green features:
- Leverages Seagate laptop power management technology, delivering the lowest-power 7200-RPM laptop hard drive yet
- Utilizes ramp load features that remove the head from the disk during idle periods, improving idle power consumption and adding to the durability of the drive
- State-of-the-art cache and on-the-fly error-correction algorithms
- Fluid dynamic bearing motor for quiet operation
- Support for S.M.A.R.T. drive monitoring and reporting
- Support for Read Multiple and Write Multiple commands
Best-Fit Applications
- High-performance and mainstream laptop PCs
- Small form factor PCs
- Workstations
- Industrial applications
- Non-mission-critical blade servers
| Specifications |
500GB |
| Model Number |
ST9500420AS |
| Interface |
SATA 3.0Gb/s |
| Cache |
16 MBytes |
| Capacity |
500GB |
| Areal density (avg) |
394 Gbits/inch2 |
| Guaranteed Sectors |
976,773,168 |
| PHYSICAL |
|
| Height (max) |
9.5 mm (0.370 inches) |
| Width (max) |
69.85 mm (2.750 inches) |
| Length (max) |
100.35 mm (3.951 inches) |
| Weight (typical) |
110 grams (0.238 pounds) |
| PERFORMANCE |
|
| Spindle Speed |
7,200 rpm |
| Average latency |
4.17 msec |
| Random read seek time |
11.0 msec |
| Random write seek time |
13.0 msec |
| RELIABILITY |
|
| Annual Failure Rate |
0.5 |
| POWER |
|
| 5V start max current |
1.0 amps |
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