HGST J4K320 80GB 0A60319 Data Sheet

Product codes
0A60319
Page of 2
© 2013 HGST, Inc., 3403 Yerba Buena Road, San Jose, CA 95135 USA. Produced in the United States 9/13. All rights reserved. 
Endurastar is a registered trademark of HGST, Inc. and its affiliates in the United States and/or other countries. Other trademarks are property of their respective companies.
HGST trademarks are intended and authorized for use only in countries and jurisdictions in which HGST has obtained the rights to use, market and advertise the brand. Contact HGST for  
additional information. HGST shall not be liable to third parties for unauthorized use of this document or unauthorized use of its trademarks. 
References in this publication to HGST’s products, programs, or services do not imply that HGST intends to make these available in all countries in which it operates. 
Product specifications provided are sample specifications and do not constitute a warranty. Information is true as of the date of publication and is subject to change. Actual specifications for 
unique part numbers may vary. 
Please visit the Support section of our website, www.hgst.com/support, for additional information on product specifications. Photographs may show design models.
DSEJ42K3213EN-01
HGST Quality and Service 
HGST Endurastar hard disk drives are
designed to the highest quality standards
and contain field-proven components. HGST
provides worldwide technical support and
integration services to enable global customers
to bring their products to market quickly.
HGST drives are backed by an array of
technical support and services, which may
include customer and integration assistance.
HGST is dedicated to providing a breadth
of hard disk drive solutions to satisfy all of
today’s demanding computing needs.
How to read the Endurastar model number
HEJ423232H9E300 = 320GB, SATA 1.5Gb/s interface
H  = HGST
E  = Endurastar
J  = J4K320
42  =  4200 RPM
32  =  Full capacity — 320GB
32  =  Capacity this model, 320 = 320GB
 
  (25 = 250GB, 20 = 200GB,  
 
  10 = 100GB, 80 = 80GB)
H  =  Generation code 
9  =  9.5mm z-height
E3  =  Interface, SATA 1.5Gb/s with 512 emulation 
0  =  Feature code 
0  = Reserved
Information and Technical Support
www.hgst.com (Main Web site)
www.hgst.com/partners (Partner Web site)
North America
support_usa@hgst.com
Toll free: 1 888 426-5214, Direct: 1 408 717-8087
Asia Pacific
support_ap@hgst.com / 65 6840 9595
EMEA and UK
support_uk@hgst.com / 44 20 7133 0032
Germany
support_uk@hgst.com / 49 6929 993601
Program Support
Partners First Program
channelpartners@hgst.com
Specifications
Models
HEJ423232H9E300
HEJ423225H9E300
HEJ423220H9E300
HEJ423210H9E300
HEJ423280H9E300 
Configuration
Interface 
SATA 1.5Gb/s
Capacity (GB)
1
320 / 250 / 200 / 100 / 80
Sector size (variable, bytes/sector)
512e
Recording zones
31
Data heads (physical)
2
Disks
1
Aerial density (Gbit/sq.in, max)
425
Performance
Data buffer (MB)
2
8
Rotational speed (RPM) 
4260
Latency average (ms)
7.04
Media transfer rate (Mbits/s, max)
750
Interface transfer rate (MB/s, max)
150
Seek time (read, typical) (avg, ms)
13
Reliability
Error rate (non-recoverable) 
< 1 per 10
13
 bits transferred
Load/Unload cycle  
600,000
Power
Requirement
+5 VDC (+/-5%)
Startup (W, peak, max)
3
6.5
Read/Write (W, average) 
2.15
Low power idle (W, average)
0.8
Standby (W, average)
0.2
Sleep (W)
0.14
Physical size
Height (mm, max) 
9.5
Dimensions (width x depth, mm) 
69.85 x 100.2
Weight (g, max) 
97
Environmental (operating)
Ambient temperature
-30° to 85° C
Altitude (m)
-300 to 5,500
Shock (half-sine wave)
300G (2ms)
Vibration (sine-wave)
Up to 3G (10-500Hz)
Environmental (non-operating)
Ambient temperature 
-40° to 95° C
Altitude (m)
-300 to 15,000
Shock (half-sine wave) 
800G (1ms)
Ambient temperature 
-40° to 65° C
Vibration (sine-wave)
Up to 5G (10-500Hz)
Acoustics (A-weighted sound power)
Idle (Bels, typical)
2.4
Op (Bels, typical) 
3.0
Endurastar
®
 
J4K320
1
 One GB is equal to one billion bytes when 
referring to hard drive capacity. Accessible 
capacity will vary depending on the operating 
environment and formatting.
2
 Portion of buffer used for firmware
3
 Power requirements shown apply to average
  operating temperatures. For power requirements 
at low temperatures, see OEM specification at 
www.hgst.com/support.