Toshiba MK4025GAS 40GB SFF IDE Hard Drives

Toshiba Part #/MPN: MK4025GAS

DiscTech Item #: TOS-MK4025GAS-BN-OE

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Capacity: 40GB

Speed: 4,200RPM

Interface Types: IDE ATA 2.5in IDC44M for laptop

Form Factor: 2.5inx9mm Fits Most laptops

Sector Size: 512 / 512e

Electrical Interface: EIDE Ultra ATA100 100MBps

On-Board Cache: 8MB

Toshiba MK4025GAS 40GB 9mm Mobile 4.2K 2.5" IDE Hard Drive - Brand New

Providing capacious storage in a slim form factor, Toshiba's 40GB 2.5-inch hard disk drive is an ideal solution for mobile computing and consumer electronics. With an areal density of 64.8 gigabits per square inch and a super slim package measuring 9.5mm high, Toshiba's MK4025GAS hard disk drive accommodates the storage needs of multi-functional mobile PCs and other applications, such as telecommunications products, printers, copiers, GPS systems and MP3 players. 40GB capacity


This drive is compatible with any laptop/computer that uses 2.5" SATA hard drives.

 Track-to-track Seek2ms
 Average Seek Time12ms 
 Rotational Speed4,200 RPM
 Buffer Size8MB
 Power Requirements 
 Voltage5V (+/-5%)
 Spin up (start) Power4.7 watts
 Seek Power2.6 watts
 Read/Write Power2.3 watts
 Active Idle Power1.2 watts
 Low Power Idle0.9 watts
 Standby Power0.25 watts
 Sleep Power0.1 watts
 Physical Size 
 Dimensions (W) x (D) x (H)69.85 mm (2.75") x 100 mm (3.94") x 9.5 mm (0.37")
 Weight98 g (max) 98 g (max) 115 g (max) 115 g (max)
 Temp - Operating5° to 55°C (41° to 131°F)
 Temp - Non-Operating-40° to 60°C (-40° to 140°F)
 Vibration - Operating9.8 m/s² (1.0G) 5 to 500 Hz
 Vibration - Non-Operating49 m/s² (5.0G) 15 to 500Hz
 Shock - Operating3,185 m/s² (325G) 2ms
 Shock - Non-Operating8,820 m/s² (900G) 1ms

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ROHS Compliant

Weight: 1 lb

Warranty: 1 Year DiscTech

Brand New

Condition Levels Explained

The product is brand new.

1 Year DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty