Hitachi Ultrastar DK32EJ-14, Ultrastar DK32EJ-72, Ultrastar DK32EJ-36 DATASHEET
3.5 inch 10K RPM hard disk drives
Capacities:36.9, 73.9 & 147.8 GB
Hitachi Ultrastar DK32EJ series hard disk drives
Highlights 
High capacity,high performance drives for workstations,
LAN servers,RAID,NAS,SAN,data warehousing,and multi-user systems
Dual SpinValve GMR head and MEEPRML technology
4 MB and 16 MB read/write cache
250G Non-operating Shock
Available in U320 SCSI and 2 Gb FCAL interfaces
Data transfer rates of up to 799mb/s
Hitachi Ultrastar DK32EJ specifications
Product |
Hitachi Ultrastar DK32EJ Series |
|
Mode |
Ultrastar DK32EJ-14 |
Ultrastar DK32EJ-72 |
Configuration |
|
|
Storage Capacity |
147.8 GB |
73.9 GB |
Number of Disks |
5 |
3 |
Number of Heads |
10 |
5 |
Areal Density |
30.0 Gb/in2 |
30.0 Gb/in2 |
BP |
586 kBP |
586 kBP |
TP |
51.2 kTP |
51.2 kTP |
Read Method |
MEEPRML |
MEEPRML |
Performance |
|
|
SeekTime (read/write) |
|
|
Average |
4.9/5.4 ms |
4.9/5.4 ms |
Full Stroke |
11/12 ms |
11/12 ms |
Track |
0.5/0.7 ms |
0.5/0.7 ms |
Average Latency |
2.99 ms |
2.99 ms |
Rotational Speed |
10,025 rpm |
10,025 rpm |
DataTransfer Rate (in drive) |
458-799 Mb/s |
458-799 Mb/s |
StartTime |
25 s |
25 s |
DataTransfer Rate (controller) |
Ultra (Fast-20) 40.0 max.MB/s |
|
|
Ultra2 (Fast-40) 80.0 max.MB/s |
|
|
Ultra160 (Fast-80) 160.0 max.MB/s |
|
SCSI (wide,SCA) |
Ultra320 320.0 max.MB/s |
|
FC-AL2 |
200 max.MB/s |
|
Buffer Size |
4M Option:16M |
4M Option:16M |
Physical Specifications |
|
|
Dimensions |
|
|
Height |
25.4 mm |
25.4 mm |
Width |
101.5 mm |
101.5 mm |
Depth |
146 mm |
146 mm |
Weight |
approx.0.7 kg |
approx.0.7 kg |
Power Dissipation (idle) |
|
|
SCS |
11W |
9 W |
FCAL |
14W |
12W |
Environmental Conditions |
|
|
Temperature |
|
|
Operating |
5° to 55° C |
5° to 55° C |
Non-Operating |
-40° to70° C |
-40° to70° C |
Storage/Shipping |
-40° to70° C |
-40° to70C |
Temperature Gradient |
20° C per hour maximum |
|
Humidity |
|
|
Operating |
5% to 90% RH |
5% to 90% RH |
Non-Operating |
5% to 90% RH |
5% to 90% RH |
Wet BulbTemperature |
29° C maximum (non-condensing) |
|
Atmosphere |
Non-corrosive gas saline atmosphere |
|
Vibration |
|
|
Operating |
9.8 m/s2 (1.0G) maximum |
|
Non-Operating |
4.9 m/s2 (5.0G) maximum |
|
Shock |
|
|
Operating |
147 m/s2 (15G) maximum [11ms] |
|
|
735 m/s2 (75G) maximum [11ms] |
|
Non-Operating |
2450 m/s2 (250G) maximum [2ms] |
|
Acoustic Noise (Idle) |
4.0 Bels average |
|
Reliability |
|
|
Ultrastar DK32EJ-36
36.9 GB
2
3
30.0 Gb/in2
586 kBP
51.2 kTP MEEPRML
4.9/5.4 ms 11/12 ms 0.5/0.7 ms
2.99 ms
10,025 rpm
458-799 Mb/s
25 s
4M Option:16M
25.4 mm
101.5 mm
146 mm approx.0.7 kg
8W
11W
5° to 55° C -40° to70° C -40° to70° C
5% to 90% RH
5% to 90% RH
Data Reliability |
|
Recovered |
10 error in1012 bits read |
Non-recovered |
1error in1014 bits read |
Seek Error Rate |
10 error in108 seeks |
Life |
5 years (surface temperature of HDAis 45° C or less) |
Hitachi Global Storage Technologies
For more information
Internet and e-mail:
•www.hgst.com
•support_usa@hgst.com
Hitachi hard drive product information:
• 1888 426-5214
For other Hitachi products:
1800 HITACHI ( 800 448 2244)
©Copyright Hitachi Global StorageTechnologies 2003
Hitachi Global StorageTechnologies 5600 Cottle Road
San Jose,CA 95193
Produced in the United States 1/03
All rights reserved
UltrastarTM is a trademark of
Hitachi Global StorageTechnologies.
References in this publication to Hitachi Global Storage
Technologies products,programs or services do not mply that Hitachi Global StorageTechnologies intends to make these available in all countries in which Hitachi
Global StorageTechnologies operates
Product information is provided for information purposes only and does not constitute a warranty
nformation is true as of the date of publication and is subject to change.Actual results may vary
This publication is for general guidance only
Photographs may show design models
DS.DK32EJ.120
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