SEAGATE Db35 Series Db35 7200.3 250Gb
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SEAGATE Db35 Series Db35 7200.3 250Gb
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Gränssnitt
Serial ATA II
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Överföringshastighet
3GB/s
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Kapacitet
250GB
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Rotationshastighet
7200RPM
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Storlek
3.5"
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Beskrivning
Specifikationer
DB35.3 Series™ SATA 3Gb/s 250-GB Hard Drive
The Seagate® DB35.3 Series™ hard drive features perpendicular recording technology for maximum capacity and reliability. Designed specifically for use in DVRs, these drives deliver the performance, power efficiency and reliability DVR manufacturers need to design superior products.
Key Features and Benefits
- 8-MB cache
- Multiple stream recording capability—up to 10 television streams at once
- Operating acoustics as low as 2.7 bels for near-silent operation
- Unmatched reliability for extended system field life
- 5-year warranty
Applications
- Digital video recorders (DVRs)
- Home media servers
| Specifications |
250 GB |
| Model Number |
ST3250820SCE |
| Interface |
SATA 3.0Gb/s |
| Cache |
8 MBytes |
| Capacity |
250 GB |
| Guaranteed Sectors |
488,397,168 |
| Number of pins on the I/O connector |
22 |
| PHYSICAL |
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| Height (max) |
26.1 mm (1.028 inches) |
| Width (max) |
101.6 mm (4.010 inches) |
| Length (max) |
146.99 mm (5.787 inches) |
| Weight (typical) |
580 grams (1.28 pounds) |
| COMPLIANCE |
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| European Union Restriction of Hazardous Substances |
Y |
| PERFORMANCE |
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| Spindle Speed |
7200 rpm |
| Native Command Queuing |
22 |
| Sustained data transfer rate |
72 Mbytes/sec. |
| Average latency |
4.16 msec |
| Random read seek time |
<11.0 msec |
| Random write seek time |
<12.0 msec |
| Maximum interface transfer rate |
300 Mbytes/sec. |
| RELIABILITY |
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| Annual Failure Rate |
0.68 % |
| Unrecoverable read errors |
1 in 10^14 |
| POWER |
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| Average idle current |
9.30 watts |
| Average seek power |
9.40 watts |
| Standby power |
0.80 watts |
| Sleep power |
0.807 watts |
| Maximum start current, DC |
2.00 amps |
| ENVIRONMENT |
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| Ambient Temperature |
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| Operating |
0 to 60 degrees C |
| Nonoperating |
-40 to 70 degrees C |
| Maximum operating temperature change |
20 degrees C per hour |
| Maximum nonoperating temperature change |
30 degrees C per hour |
| Maximum operating case temperature |
75 degrees C |
| Relative Humidity |
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| Operating |
5 to 90 |
| Nonoperating |
5 to 95 |
| Maximum allowable humidity change |
30 per hour |
| Altitude |
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| Operating altitude (min) |
-60.96 meters (-200 feet) |
| Operating altitude (max) |
3,048 meters (10,000 feet) |
| Nonoperating altitude (min) |
-60.96 meters (-200 feet) |
| Nonoperating altitude (max) |
12,192 meters (40,000 feet) |
| Shock |
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| Operating Shock (max) |
63 Gs at 2 msec |
| Nonoperating Shock (max) |
350 Gs at 2 msec |
| Vibration |
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| Operating vibration |
0.25 Gs at5-22 Hz |
| Operating vibration |
0.50 Gs at 22-350 Hz |
| Operating vibration |
0.25 Gs at 350-500 Hz |
| Nonoperating vibration |
0.25 Gs at 5-22 Hz |
| Nonoperating vibration |
5.0 Gs at 22-350 Hz |
| Nonoperating vibration |
1.0 Gs at 350-500 Hz |
| ACOUSTICS |
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| Acoustics (Idle Volume) |
2.5 bels |
| Acoustics (Seek Volume) |
2.8 bels |
| Hårddiskkapacitet | 250 GB |
| Hårddiskens rotationshastighet | 7200 RPM |
| Hårddiskens storlek | 3.5" |
| Gränssnitt | Serial ATA II |
| Datalagringsenhetens buffertstorlek | 8 MB |
| Driftspänning | 5 / 12 V |
| Temperatur vid drift | 0 - 60 ° C |
| Temperaturintervall (förvaring) | -40 - 70 ° C |
| Stötar i avstängt läge | 300 G |
| Bredd | 101,6 mm |
| Höjd | 26,1 mm |
| Djup | 147 mm |
| Vikt | 580 g |
| Intern | Ja |
| Dataöverföringshastighet | 3 Gbit/s |
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