Toshiba MK2555GSX Manuale Utente

Pagina di 2
5,400 RPM
2.5-Inch Mobile Hard Disk Drives
MKXX55SX 8/2010
1
One Gigabyte (1 GB) means 10
9
 = 1,000,000,000 bytes using powers of 10. A computer 
operating system, however, reports storage capacity using powers of 2 for the definition of 
1 GB = 2
30
 = 1,073,741,824 bytes, and therefore shows less storage capacity. Available storage 
capacity will also be less if the computer includes one or more pre-installed operating systems, 
pre-installed software applications, or media content. Actual formatted capacity may vary.
2
A small portion of buffer memory is used for drive firmware control.
3
SATA PHY in slumber mode.
4
Halogen free as defined by levels of chlorine (CL) and bromine (Br) or a compound in which they 
are combined reduced to be less than the standards of IEC61249-2-21:2003, as stated below: 
Chlorine: less than 900ppm, Bromine: less than 900ppm, Chlorine + bromine: less than 1500ppm
Subject to Change: While Toshiba has made every effort at the time of publication to ensure the 
accuracy of the information provided herein, product specifications, configurations, prices, system/
component/options availability are all subject to change without notice.
© 2009 Toshiba America Information Systems, Inc. All rights reserved. 
Visit us at:
 www.toshibastorage.com
 
 
MK1255GSX  MK1655GSX  MK2555GSX  MK3255GSX  MK4055GSX  MK5055GSX
 
Series Overview
 
 
  
Drive Capacity 
120GB
1
 
160GB
1
 
250GB
1
 
 
320GB
1
 
400GB
1
 
500GB
1
  
Drive Interface 
Serial ATA Revision 2.6 / ATA-8
  
Number of Platters (disks) 
 
 
Number of Data Heads 
 
4
  
Transfer Rate to Host 
3 Gb/sec
 
Performance
 
 
  
Track-to-track Seek 
2ms
  
Average Seek Time 
12ms
 
Rotational Speed 
5,400 RPM 
  
Average Latency 
5.55ms
  
Buffer Size 
8MB
2
 
Power Requirements
 
 
  
Voltage 
5V (+/-5%)
  
Spin up (start) Power 
4.5 watts
  
Seek Power 
1.7 watts
 
Read/Write Power 
1.4 watts
  
Active Idle Power 
0.85 watts
3
  
Low Power Idle 
0.6 watts
3
 
Standby Power 
0.18 watts
3
  
Sleep Power 
0.13 watts
3
 
Physical Size
 
 
  
Dimensions (W) x (H) x (D) 
69.85 mm (2.75”) x 100 mm (3.94”) x 9.5 mm (0.37”)
  
Weight 
98 g (3.46 oz.)
 
Environmental
 
 
 
Temp - Operating 
5° to 55°C (41° to 131°F)
  
Temp - Non-Operating 
-40° to 60°C (-40° to 140°F)
  
Vibration - Operating 
9.8 m/s² (1.0G) 5 to 500 Hz
  
Vibration - Non-Operating 
49 m/s² (5.0G)  49 m/s² (5.0G)  49 m/s² (5.0G)  49 m/s² (5.0G)  49 m/s² (5.0G)  49 m/s² (5.0G)
 
 
5 to 500 Hz 
15 to 500 Hz  15 to 500 Hz  15 to 500 Hz  15 to 500 Hz  15 to 500 Hz
  
Shock - Operating 
3,920 m/s² (400G) 2ms
  
Shock - Non-Operating 
8,820 m/s² (900G) 1ms
  
Altitude - Operating 
-300 to 3,000 m
 
Acoustics
 
 
  
Acoustics (idle) 
1.9 bels  
1.9 bels 
1.9 bels 
2.5 bels 
2.5 bels 
2.5 bels
 
Acoustics (seek) 
2.0 bels  
2.0 bels 
2.0 bels 
2.5 bels 
2.5 bels 
2.5 bels
Limited Warranty
 
   
 
Limited Warranty 
3 years (from date of purchase)