5,400 RPM
Series Overview | MK1255GSX MK1655GSX MK2555GSX MK3255GSX MK4055GSX MK5055GSX | |||||||
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Drive Capacity |
| 120GB1 | 160GB1 | 250GB1 | 320GB1 | 400GB1 | 500GB1 |
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Drive Interface |
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| Serial ATA Revision 2.6 / |
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Number of Platters (disks) |
| 1 | 1 | 1 | 2 | 2 | 2 |
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Number of Data Heads |
| 1 | 2 | 2 | 4 | 4 | 4 |
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Transfer Rate to Host |
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| 3 Gb/sec |
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Performance |
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| 2ms |
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Average Seek Time |
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| 12ms |
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Rotational Speed |
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| 5,400 RPM |
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Average Latency |
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| 5.55ms |
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Buffer Size |
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| 8MB2 |
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Power Requirements |
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Voltage |
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| 5V |
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Spin up (start) Power |
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| 4.5 watts |
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Seek Power |
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| 1.7 watts |
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Read/Write Power |
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| 1.4 watts |
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Active Idle Power |
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| 0.85 watts3 |
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Low Power Idle |
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| 0.6 watts3 |
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Standby Power |
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| 0.18 watts3 |
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Sleep Power |
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| 0.13 watts3 |
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Physical Size |
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Dimensions (W) x (H) x (D) |
| 69.85 mm (2.75”) x 100 mm (3.94”) x 9.5 mm (0.37”) |
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Weight |
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| 98 g (3.46 oz.) |
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Environmental |
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Temp - Operating |
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| 5° to 55°C (41° to 131°F) |
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Temp - |
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Vibration - Operating |
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| 9.8 m/s² (1.0G) 5 to 500 Hz |
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Vibration - | 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) | ||
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| 5 to 500 Hz | 15 to 500 Hz | 15 to 500 Hz | 15 to 500 Hz | 15 to 500 Hz | 15 to 500 Hz | |
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Shock - Operating |
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| 3,920 m/s² (400G) 2ms |
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Shock - |
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| 8,820 m/s² (900G) 1ms |
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Altitude - Operating |
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Acoustics |
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Acoustics (idle) | 1.9 bels | 1.9 bels | 1.9 bels | 2.5 bels | 2.5 bels | 2.5 bels | ||
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Acoustics (seek) | 2.0 bels | 2.0 bels | 2.0 bels | 2.5 bels | 2.5 bels | 2.5 bels | ||
Limited Warranty
Limited Warranty
1One Gigabyte (1 GB) means 109 = 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 = 230 = 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
2A small portion of buffer memory is used for drive firmware control.
3SATA PHY in slumber mode.
3 years (from date of purchase)
Visit us at: www.toshibastorage.com
4Halogen 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
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.
MKXX55SX 8/2010