Листовка для Western Digital RE2 400GB Serial ATA II 16MB 7200RPM 20pk bulk WD4000YS-20PK
Модели
WD4000YS-20PK
Western Digital and WD Caviar are
registered trademarks; and WD, the WD
logo, FIT Lab, FlexPower, RAFF, and
SecureConnect 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 WD, the WD
logo, FIT Lab, FlexPower, RAFF, and
SecureConnect 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.
© 2005 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.
2879-001136-A02 Oct 2005
Drive Specifications
Performance Specifications
1
WD defines a megabyte (MB) as 1,000,000 bytes and a gigabyte (GB) as 1,000,000,000 bytes.
Some operating systems use the binary numbering system which results in a lower reported capacity.
2
WD complies with the Restriction of Hazardous Substances (RoHS) Directive 2002/95/EC of the
European Pareliament, which is effective in the EU beginning July 1, 2006. RoHS aims to pretect
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.
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
100% duty cycle at 50
°
C on base casting.
400 GB
Formatted capacity
1
400,088 MB
User sectors per drive
781,422,768
WD model number
WD4000YR
Actuator latch/auto park
Yes
Bytes per sector (STD)
512
Dedicated landing zone
Yes
Form factor
3.5-inch
Interface
SATA 1.5 Gb/s
RoHS compliant
Yes
Average latency
4.2 ms
Buffer
16 MB
Cache
Read
Adaptive
Write
Yes
Data transfer rate (buffer to host)
Buffer to host
1.5 Gb/s (maximum)
Buffer to disk
65 MB/s (sustained)
Drive ready time
12.0 sec (average)
Error rate (non-recoverable)
<1 in 10
15
bits read
LBA support
Yes
MTBF
1.2 M hours
Rotational speed
7200 RPM
Seek time
Full stroke
21 ms (average)
Read
8.7 ms (average)
Track-to-track
0.6 ms (average)
Start/stop cycles
50,000 minimum
Warranty
5-year
For service and literature:
800.ASK.4WDC
North America
949.672.7199
Spanish
+800.6008.6008
Asia Pacific
+31.20.4467651
EMEA
support.wdc.com
www.westerndigital.com
www.westerndigital.com