Western Digital RE2 750 GB WD7500AAYS Fascicule
Codes de produits
WD7500AAYS
Enterprise
Hard Drives
For service and literature:
support.wdc.com
www.westerndigital.com
www.westerndigital.com
Western Digital, WD, and the WD logo are
registered trademarks; and FIT Lab, Active
Power Save, and RAFF are trademarks of
Western Digital Technologies, Inc. Other
marks may be mentioned herein that belong
to other companies. Product specifications
subject to change without notice.
registered trademarks; and FIT Lab, Active
Power Save, and RAFF are trademarks of
Western Digital Technologies, Inc. Other
marks may be mentioned herein that belong
to other companies. Product specifications
subject to change without notice.
© 2007 Western Digital Technologies, Inc.
All rights reserved.
All rights reserved.
Western Digital
20511 Lake Forest Drive
Lake Forest, California 92630
U.S.A
20511 Lake Forest Drive
Lake Forest, California 92630
U.S.A
2879-701176-A08
Aug 2007
800.ASK.4WDC North America
949.672.7199
949.672.7199
Spanish
+800.6008.6008 Asia Pacific
+31.20.4467651 EMEA
+31.20.4467651 EMEA
Drive Specifications
400 GB
500 GB
750 GB
Formatted capacity
1
400,088 MB
500,107 MB
750,156 MB
User sectors per drive
781,422,768
976,773,168
1,465,149,168
Model number
WD4000YS
WD5000YS
WD7500AYYS
WD4000ABYS WD5000ABYS
Actuator latch/auto park
Yes
Yes
Yes
Bytes per sector (STD)
512
512
512
Dedicated landing zone
Yes
Yes
Yes
Form factor
3.5-inch
3.5-inch
3.5-inch
Interface
SATA 3 Gb/s
SATA 3 Gb/s
SATA 3 Gb/s
Native Command
Queuing
Queuing
Yes
Yes
Yes
RoHS compliant
Yes
Yes
Yes
1
One gigabyte (GB) = one billion bytes. One terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on
operating environment.
operating environment.
2
WD products manufactured and sold worldwide after August 1, 2005, meet or exceed Restriction of Hazardous Substances
(RoHS) compliance requirements as mandated by the European Union for electrical and electronic products. The RoHS
Directive 2002/95/EC of the European Parliament, which is effective in the EU beginning July 1, 2006, aims to protect
human health and the environment by restricting the use of certain hazardous substances in new equipment, and consists of
restrictions on lead, mercury, cadmium, and other substances.
Directive 2002/95/EC of the European Parliament, which is effective in the EU beginning July 1, 2006, aims to protect
human health and the environment by restricting the use of certain hazardous substances in new equipment, and consists of
restrictions on lead, mercury, cadmium, and other substances.
3
Maximum drive capacity model.
4
After 24 power-on hours.
5
Average idle run current and power measured with power supply at nominal voltage and 35°C ambient.
6
No non-recoverable errors during operating test or after non-operating tests.
7
20 KHz cutoff.
8
Sound power level.
Physical Dimensions
Height
1.028 in (25.4 mm)
Length
5.787 in (147.0 mm)
Width
4.0 in (101.6 mm) ±0.01 in
Weight
1.436 lb (0.653 kg) ±10% (YS)
1.61 lb (0.730 kg) ±10% (AYYS)
1.61 lb (0.730 kg) ±10% (AYYS)
WD RE2
Enterprise Hard Drives
Power Requirements (ABYS)
Note: 3.3V Serial ATA power not used in this product.
Power Requirements (AYYS)
Environmental Specification
6
Shock
Note: Half-sine wave, measured in 2 ms duration and without
isolation.
isolation.
Vibration
Operating Temperature and Humidity
Non-Operating Temperature and Humidity
Acoustics (Average)
Mode
12V (±10%) 5V (±5%) Power
Idle
5
450 mA
600 mA
8.4W
Read/Write
460 mA
650 mA
8.77W
Sleep
6 mA
180 mA
0.97W
Standby
6 mA
180 mA
0.97W
Mode
12V (±10%) 5V (±5%) Power
Idle
5
470 mA
700 mA
8.9W
Read/Write
500 mA
700 mA
9.5W
Sleep
6 mA
180 mA
0.97W
Standby
6 mA
180 mA
0.97W
Operating (2 ms)
30G (write), 65G (read)
Non-operating (1 ms)
250G
Operating
Random
0.004 g
2
/Hz (10 to 300 Hz)
0.008 g
2
/Hz (300 to 500 Hz)
Linear
20–300 Hz, 0.75G (0 to peak)
Non-operating
Random
0.05 g
2
/Hz (10 to 300 Hz)
0.01 g
2
/Hz (300 to 500 Hz)
Linear
20–500 Hz, 4.0G (0 to peak)
Temperature
5°C to 55°C (AYYS/ABYS)
5°C to 60°C (YS)
5°C to 60°C (YS)
Humidity
5–95% RH non-condensing
Thermal gradient
20°C/hour (maximum)
Temperature
–40°C to 65°C (AYYS/ABYS)
–40°C to 70°C (YS)
–40°C to 70°C (YS)
Humidity
5–95% RH non-condensing
Thermal gradient
30°C/hour
Idle mode
7
28 dBA
Performance seek mode
8
34 dBA
Quiet seek mode
30 dBA
Performance Specifications
Average latency
4.2 ms
Buffer
16 MB
Cache
Read
Adaptive
Write
Yes
Data transfer rate
Buffer to host
3 Gb/s (maximum)
Buffer to disk
3
98 MB/s (sustained)
Drive ready time
12.0 sec (average)
Error rate
(non-recoverable)
(non-recoverable)
<1 in 10
15
bits read
LBA support
Yes
MTBF
4
1,200,000
hours
Rotational speed
7200 RPM
Seek time
Full stroke
21 ms (average)
Read
8.7 ms (YS average)
8.9 ms (AYYS average)
8.9 ms (AYYS average)
Track-to-Track
0.6 ms (average)
Limited warranty
5-year