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Last Updated |
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| 05/19/2009 01:32 PM |
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Specifications for the WD 2.5 inch Scorpio EIDE hard drives (model WDxxxxUE, WDxxxxVE, WDxxxxBEAE, WDxxxxBEVE) |
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Question |
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Specifications for the following WD 2.5 inch Scorpio EIDE hard drives.
- 2 MB buffer: WD400UE, WD600UE, WD800UE, WD1000UE, WD1200UE, WD400BEAE, WD600BEAE, WD800BEAE, WD1000BEAE, WD1200BEAE, WD1600BEAE
- 8 MB buffer: WD400VE, WD600VE, WD800VE, WD1000VE, WD1200VE, WD400BEVE, WD600BEVE, WD800BEVE, WD1000BEVE, WD1200BEVE, WD1600BEVE, WD2500BEVE, WD3200BEVE
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Installation FAQ and Manuals | Downloads Library | Troubleshooting FAQ |
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Answer |
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Note: If you need more help, please see Answer ID 3578: Most Common Issues and Frequently Asked Questions (FAQ)
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Drive Specifications
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40 GB |
60 GB |
80 GB |
100 GB |
| Formatted capacity1 |
40,020 MB |
60,022 MB |
80,026 MB |
100,030 MB |
| User sectors per drive |
78,140,160 |
117,210,240 |
156,301,488 |
195,371,568 |
| Interface |
44-pin EIDE |
44-pin EIDE |
44-pin EIDE |
44-pin EIDE |
| Form factor |
2.5-inch |
2.5-inch |
2.5-inch |
2.5-inch |
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120 GB |
160 GB |
250 GB |
320 GB |
| Formatted capacity1 |
120,034 MB |
160,041 MB |
250,059 MB |
320,072 MB |
| User sectors per drive |
234,441,648 |
312,581,808 |
448,397,168 |
625,142,448 |
| Interface |
44-pin EIDE |
44-pin EIDE |
44-pin EIDE |
44-pin EIDE |
| Form factor |
2.5-inch |
2.5-inch |
2.5-inch |
2.5-inch |
Performance Specifications
Data transfer rate2 - buffer to host
(maximum burst rate) |
100 MB/s (Ultra ATA Mode 5) |
| Average read seek |
12.0 ms (average) |
| Track-to-track seek |
2.0 ms (average) |
| Average latency |
5.5 ms |
| Rotational speed |
5400 RPM |
| Read cache |
Adaptive |
| Write cache |
Yes |
| Buffer |
2 MB (WD400UE/BEAE, WD600UE/BEAE, WD800UE/BEAE,
WD1000UE/BEAE, WD1200UE/BEAE, WD1600BEAE) |
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8 MB (WD400VE/BEVE, WD600VE/BEVE, WD800VE/BEVE,
WD1000VE/BEVE, WD1200VE/BEVE, WD1600BEVE, WD2500BEVE) |
| Drive ready time |
4.5 sec. (average) |
| Load/unload cycles at ambient condition |
600,000 |
| Master/Slave support |
Yes |
| Error rate (non-recoverable) |
<1 in 1014 bits read |
| Warranty |
Warranty Length |
Click on image to enlarge. (Taken from Scorpio Technical Reference Manual below.)
Please see Answer ID 469: Mounting hole and screw information for 3.5in. Eide, 3.5in. SATA, and 2.5in. Scorpio hard drives.
Physical Dimensions
| Height |
0.374 in. (9.5 mm) ± 0.008 in. |
| Length |
3.94 in. (100.2 mm) ± 0.010 in. |
| Width |
2.75 in. (69.85 mm) ± 0.25 in. |
| Weight (typical) 1-platter |
0.25 lb. (0.112 kg) |
| Weight (typical) 2-platter |
0.26 lb. (0.117 kg) |
Power Requirements
| Mode |
5V (±5%) |
Power |
| Spinup |
940 mA |
4.7 W |
| Read/Write |
500 mA |
2.5 W |
| Idle - Performance (mode 1) |
370 mA |
1.8 W |
| Idle - Performance (mode 2) |
195 mA |
.975 W |
| Low Power - Performance (mode 3) |
170 mA |
0.85 W |
| Standby |
32 mA |
0.160 W |
| Sleep |
15 mA |
0.075 W |
Environmental Specifications
Operating Temperature & Humidity
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| Temperature |
5° C to 60° C |
| Humidity |
8-90% RH non-condensing |
| Thermal Gradient |
20° C/hour max |
Non-Operating Temperature & Humidity
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| Temperature |
-40° C to 65° C |
| Humidtity |
5-95% RH non-condensing |
| Thermal Gradient |
30° C/hour |
Shock
| Operating (2ms) |
250G |
| Non-operating (2ms) |
900G |
| Half sine wave measured in 2 ms duration, measured without isolation. |
Vibration
| Operating |
- Random |
10-500 Hz, 0.0009 g2/Hz |
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- Linear |
5-500 Hz, 1.0g (0 to peak), 0.5 octaves/min. |
| Non-Operating |
- Random |
10-500 Hz, 0.0185 g2 /Hz (0 to peak) |
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- Linear |
5-500 Hz, 2.0g (0 to peak), 0.5 octaves/min. |
Atmospheric Pressure
| Operating |
-1,000 feet to 10,000 feet (-305M to 3,050M) |
| Non-Operating |
-1,000 feet to 40,000 feet (-305M to 12,200M) |
Acoustics (average)
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1-platter |
2-platter |
| Idle mode |
22 dBA |
24 dBA |
| Seek mode |
24 dBA |
26 dBA |
1As used for storage capacity, one megabyte (MB) = one million bytes, one gigabyte (GB) = one billion bytes, and one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment.
2As used for transfer rate or interface, megabyte per second (MB/s) = one million bytes per second, and gigabit per second (Gb/s)= one billion bits per second.
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File Attachments |
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•  WD_Scorpio_ML160M_EIDE_TRM.pdf
• WD_Scorpio_ML160M_EIDE_OEM_Spec_Sheet.pdf
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