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The Seagate® 500GB Momentus® 7200.4 SATA 3.0GB/s 2.5inch laptop hard drive delivers industry-leading 7200-RPM performance while offering the industry's lowest power consumption levels. Available with G-Force Protection™ for added robustness and durability, the Momentus 7200.3 drive can withstand even the most serious of drops that can happen in a mobile environment. Available with 16 MB of cache and a SATA 3Gb/s NCQ interface, the Momentus 7200.3 hard drive is perfect for performance laptops, workstations and small form factor desktop systems.
Key Adavantages:
- Highest available notebook performance increases productivity in all environments.
- Developed with proven Seagate 7200-RPM laptop technology
- Capacity: 500gB
- SATA 3Gb/s NCQ interface
- 16-MB cache on every capacity
- G-Force Protection™ available for added robustness in mobile environments
- Green features:
- Leverages Seagate laptop power management technology, delivering the lowest-power 7200-RPM laptop hard drive yet
- Utilizes ramp load features which remove the head from the disk during idle periods, improving idle power consumption and adding to the durability of the drive
- QuietStep™ ramp load technology enables ultra-quiet load/unload acoustics
- Perpendicular recording technology
Best-Fit Applications:
- Performance laptops
- Workstations
- Small form factor PCs
Specification:
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Model Number |
ST9500420AS |
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Interface |
SATA 3.0Gb/s |
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Cache |
16 MBytes |
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Capacity |
500GB |
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Areal density (avg) |
253 Gbits/inch2 |
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Guaranteed Sectors |
625,142,448 |
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PHYSICAL |
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Height (max) |
9.5 mm (0.374 inches) |
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Width (max) |
69.85 mm (2.75 inches) |
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Length (max) |
100.5 mm (3.957 inches) |
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Weight (typical) |
110 grams (0.238 pounds) |
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PERFORMANCE |
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Spindle Speed |
7,200 rpm |
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Average latency |
4.17 msec |
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Random read seek time |
11.0 msec |
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Random write seek time |
13.0 msec |
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RELIABILITY |
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Annual Failure Rate |
0.48 |
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POWER |
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5V start max current |
1.0 amps |
Package Includes:
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