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WD Scorpio delivers best-in-class performance with low power requirements comparable to much slower notebook drives. In addition, you'll get the quietest 2.5-inch drive on the market with real-time data protection technology to help keep your data safe.
Features:
- Massive Capacity
- Whether they are in an external drive or a notebook computer, WD’s 320GB 2.5-inch drives offer the most available capacity for space-hungry operating systems, plus plenty of room left over for photos, music, and video.
- Fast and efficient
Spins at 5400 RPM for fast performance but has power specs similar to slower 4200 RPM drives. Low power consumption yields increased reliability.
- Quiet
WD's exclusive WhisperDrive™ technology with SoftSeek™ algorithms make this the quietest 2.5-inch hard drive, regardless of spin speed.
- Reliable
WD's ShockGuard™ technology protects the drive mechanics and platter surfaces from shocks. WD's DuraStep Ramp™ locks the heads in a secure position away from the disk to provide another layer of protection when the drive is not in use. Utilizing the most technologically advanced material available, the drive can perform a minimum of 600,000 load/unload cycles without contamination - up to twice the performance of its competitors.
- Rugged
WD Scorpio's rigid stainless steel top cover withstands more than 5 pounds of pressure - nearly 1.5 times the industry average - without pinching vital internal components.
Ideal For
- Portable digital devices of all kinds, including notebook computers, portable external storage, digital audio, GPS systems, and tablet PCs.
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| Performance Specifications |
| Rotational Speed |
5,400 RPM (nominal) |
| Buffer Size |
8MB |
| Average Latency |
5.50 ms (nominal) |
| Seek Times |
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Read Seek Time |
12.0 ms |
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Track-To-Track Seek Time |
2.0 ms (average) |
| Transfer Rates |
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Buffer To Disk |
421 Mbits/s (Max) |
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Buffer to Host (EIDE) |
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Mode 5 Ultra ATA |
100.0 MB/s |
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Mode 4 Ultra ATA |
66.6 MB/s |
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Mode 2 Ultra ATA |
33.3 MB/s |
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Mode 4 PIO |
16.6 MB/s |
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Mode 2 multi-word DMA |
16.6 MB/s |
| Physical Specifications |
| Formatted Capacity |
320,072MB
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| Capacity |
320GB |
| Interface |
EIDE 100 MB/s |
| Physical Dimensions |
| English |
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Height |
0.374 ±0.008 inch |
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Length |
3.94 ±0.010 inch |
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Width |
2.75 ±0.010 inch |
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Weight |
.26 Pounds (±0.10 lb) |
| Metric |
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Height |
9.5 ±0.20 mm |
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Length |
100.2 ±0.25 mm |
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Width |
69.85 ±0.25 mm |
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Weight |
0.117 kg (± 0.082 kg) |
| Environmental Specifications |
| Acoustics |
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Idle Mode |
20 dBA (average) |
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Seek Mode 0 |
21 dBA (average) |
| Temperature (English) |
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Operating |
41° F to 140° F |
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Non-Operating |
-40° F to 149° F |
| Temperature (Metric) |
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Operating |
5° C to 60° C |
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Non-Operating |
-40°C to 65° C |
| Humidity |
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Operating |
8-90% RH non-condensing |
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Non-Operating |
5-95% RH non-condensing |
| Altitude (English) |
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Operating |
-1,000 feet to 10,000 feet |
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Non-Operating |
-1,000 feet to 40,000 feet |
| Altitude (Metric) |
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Operating |
-305M to 3.050M |
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Non-Operating |
-305M to 12,200M |
| Vibration (Operating) |
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Linear |
5-300 Hz, 1.0G (0 to peak) |
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Random |
5-300 Hz (0.008 g2/Hz) |
| Electrical Specifications |
| Current Requirements |
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| 5 VDC |
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Read/Write |
500 mA |
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Idle |
400 mA |
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Standby |
45 mA |
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Sleep |
38 mA |
| Power Dissipation |
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Read/Write |
2.50 Watts |
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Idle |
2.00 Watts |
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Standby |
0.23 Watts |
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Sleep |
0.19 Watts |
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