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Seagate HDD SATA/300 500GB 16MB 7200.4 2.5" |
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February 2011 |
The Momentus family of 2.5-inch laptop drives offers innovative
options and features, such as capacity up to 750GB, two different
performance speeds, and three significant features.
Key Features and Benefits
- Seagate SmartAlign™ technology provides a transition to 4K sectors without the need for software utilities.
- Seagate
Self-Encrypting Drives deliver government-grade encryption without
performance degradation—protecting your data where it lives. The FIPS
140-2* options are NIST government-certified for both U.S. and Canadian
usage with sensitive data.**
- Seagate G-Force Protection™
technology can detect when your laptop is in a free-fall, swing the
drive heads to a safe zone and keep the data safe.
- 7200-RPM and 5400-RPM speeds for customized performance, and 8MB and 16MB cache size to enhance your application performance
- 750, 640, 500, 320, 250 and 160GB models for 5400-RPM drives for high-capacity to entry-level and mainstream systems
- 750, 500, 320, 250 and 160GB models for 7200-RPM drives for high-capacity and high-performance systems
| Specifications |
|
| Model Number |
ST9500420AS |
| Interface |
SATA 3Gb/s |
| Cache |
16MB |
| Capacity |
500GB |
| Areal density (avg) |
394Gb/in2 |
| Guaranteed Sectors |
976,773,168 |
| Physical |
|
| Height |
9.5mm (0.370 in) |
| Width |
69.85mm (2.750 in) |
| Length |
100.35mm (3.951 in) |
| Weight (typical) |
110g (0.238 lb) |
| Performance |
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| Spin Speed (RPM) |
7200 RPM |
| Average latency |
4.17ms |
| Random read seek time |
11.0ms |
| Random write seek time |
13.0ms |
| Reliability |
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| Annual Failure Rate |
0.5% |
| Power |
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| 5V start max current |
1.0A |
| Features |
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| Storage Type |
HDD |
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