H i t a c h i T r a v e l s t a r 4 K 4 0
Product
Travelstar 4K40
Model names
HTS424040M9AT00 / HTS424030M9AT00 / HTS424020M9AT00
Specifications
Configuration
Interface
ATA-6
Capacity (GB)
1
40 / 30 / 20
Sector size (Bytes)
512
Recording zones
24
Data heads (physical)
2 / 2 / 1
Data disks
1
Max. areal density (Gbits/sq. inch)
70
Performance
Data buffer (MB)
2
Rotational speed (RPM)
4200
Latency average (ms)
7.1
Media transfer rate (Mbits/sec, max)
370
Interface transfer rate (MB/sec, max)
100 MB/sec (mode-5)
PIO
16.6 MB/sec (mode-4)
Seek time (read, typical)
Average (ms)
12
Track to track (ms)
2.5
Full track (ms)
23
Reliability
Error rate (non-recoverable)
< 1 per 1.0 E 13 bits transferred
Load/Unload cycle
600,000
Power
Requirement
+5VDC(+-5%)
Dissipation
Startup current (peak, max.)
4.7W
Seek (avg.)
2.3W
Read (avg.)
2.0W
Write (avg.)
2.1W
Performance idle (avg.)
1.85W
Active idle (avg.)
0.85W
Low power idle (avg.)
0.65W
Standby (avg.)
0.25W
Sleep
0.1W
Power consump. efficiency index (W/GB)
0.016 / 0.022 / 0.033
Physical Size
Height (mm)
9.5
Width (mm)
70
Depth (mm)
100
Weight - typical (g)
95
Environmental characteristics
Operating
Ambient temperature
5° to 55° C
Relative humidity (non-condensing)
8% to 90%
Max. wet bulb (non-condensing)
29.4° C
Shock (half sine wave)
300 G / 2ms
Vibration (random (RMS))
0.67 G (5 - 500 Hz)
Swept sine
1 G 0-P (5 - 500 Hz)
Non-operating
Ambient temperature
-40° to 65° C
Relative humidity (non-condensing)
5% to 95%
Max. wet bulb (non-condensing)
40° C
Shock (half sine wave)
1000 G / 1 ms
Vibration (random (RMS))
3.01 G (5 to 500 Hz)
Acoustics (A-Weighted Sound Power (Bels))
Idle (typ.)
2.1
Op (typ.)
2.4
Idle (max.)
2.4
Op (max.)
2.6
1
GB equals one billion bytes when referring to hard drive capacity; accessible capacity may be less.
© 2007 Hitachi Global Storage Technologies
Hitachi Global Storage Technologies
3403 Yerba Buena Road
San Jose, CA 95135 USA
Produced in the United States 3/04, revised 4/07
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References in this publication to Hitachi Global Storage
Technologies products, programs, or services do not imply that
Hitachi Global Storage Technologies 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.hitachigst.com/support, for addi-
tional information on product specifications. Photographs may
show design models.
For more information:
Internet:
>
www.hitachigst.com (Main Web site)
>
www.hitachigst.com/vpp (Reseller Web site)
Technical Support E-mail:
>
support_usa@hgst.com (N. America)
>
support_ap@hgst.com (Asia Pacific)
>
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Technical Support Phone Numbers:
>
1 888 426-5214 (N. America)
>
65 6840 9595 (Asia Pacific)
>
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How to Read the Travelstar Model Number
HTS424040M9AT00
= 40GB/2MB
H
= Hitachi
T
= Travelstar
S
= Standard (vs C for Compact, for example)
42
= 4200 RPM
40
= Full capacity - 40GB
40
= Capacity this model 40 =40GB
(30 =30GB, 20 =20GB)
M
= Generation code
9
= 9.5mm z - height
AT
= ATA interface
0
= Reserved
0
= Reserved
Hitachi Global Storage Technologies