Hitachi Travelstar 4K40 - 40.0GB 4200RPM Ultra ATA-100Mb/s 2MB Cache 2.5" 9.5mm Laptop Hard Drive - HTS424040M9AT00


Warranty90 Day Warranty
AvailabilityYes - Ships in 1 to 2 Days
ManufacturerHitachi Global Storage Technology
SeriesHitachi Travelstar 4K40
UPC Code683728185961

Product Specs

Product Specs
Capacity40.0 GB
Spindle Speed4200 RPM Fluid Dynamic (FDB) Motor
Cache Buffer2 MB Intelligent Caching
Advanced FormatNo - 512 Sector Size (Bytes)
Form Factor2.5 Inch Internal Hard Drive
InterfacePATA (EIDE Ultra-DMA ATA-6)
Interface SpeedUltra DMA Mode-5 - ATA 100MB/sec
Data Transfer Rateup to 100MB/sec Host to/from Drive (Sustained)
Interface ConnectorPATA (44-Pin Signal/Power and 4-Pin Jumper)
Recording TechnologyPerpendicular Magnetic Recording (PMR) Technology
Life Expectancy300,000 Hours MTTF (Mean Time To Failures)
Workload Rating< 55 TB/yr (Workload Rate Limit) / 600,000 (Load/Unload Cycles)
Shock ResistanceOperating: 300Gs / 2ms - Non Operating: 1000Gs / 1ms (half sine wave)
EncryptionNo - Standard Model
Rohs CompliantYes
Dimensions(L x W x H) 100.5mm x 70.0mm x 9.5mm
Part Number0A25590, 13G1132
ClassificationMainstream Drives

Key Features

  • Capacities up to 40GB
  • 4200RPM Rotational Speed Motor
  • Read Multiple and Write Multiple Command Support
  • Optimized Femto Actuator/Suspension Design
  • Intelligent Caching Technology
  • Full Track Multiple Sector Transfer Technology
  • Hitachi Voltage Efficiency Regulator Technology (HiVERT)
  • Perpendicular Magnetic Recording (PMR) Technology
  • 600,000 Load/Unload Cycles for Data Integrity
  • Enhanced Adaptive Battery Life Extender (ABLE) Technology
  • TrueTrack Servo Technology
  • Thermal Fly Height Control Technology
  • Enhanced Error Correction Code (ECC) Technology
  • Staggered Spin-Up Technology
  • Whisper Quiet with Fluid Dynamic Bearing (FDB) Motors

Hitachi Travelstar 4K40 Hard Drives

Craftmanship of Design

The Hitachi Travelstar 4K40 series continues to redefine state-of-the-art storage for mobile computing. With industry-leading shock characteristics, efficient power consumption, outstanding acoustics, and a range of capacities, the Hitachi Travelstar 4K40 raises the standard for ruggedness. Designed to address the most demanding applications this drive offers cus- tomers a stable design platform for even the most advanced portable devices.

The Travelstar 4K40 is based on an industry leading design that has been made even better. Simply put, it is hard drive artistry!

Performance, Quality and Reliability

Designed with mobile life styles in mind, the Travelstar 4K40 leverages proven technologies such as True Track Servo, which eases system integration, enhances hard disk drive reliability, and adds robustness against vibration and disk shift, Drive Fitness Test (DFT), Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.) to enable a hard drive to predict impending catastrophic failure, and an adaptive control algorithm to help maintain high performance and fast seek times at high environmental temperatures.

Hitachi Quality and Service

The Hitachi Travelstar mobile hard disk drives are designed with the highest quality standards and contain field-proven components to provide superior quality hard drives backed by Hitachi warranty. Hitachi provides worldwide technical support and services to enable customers to quickly bring their products to market globally.

Hitachi is dedicated to providing a breadth of hard disk drivesolutions to satisfy all of today’s data storage needs.


  • Based on proven technology of Travelstar 80GN and Travelstar 4K80
  • Industry’s highest operating shock of 300Gs
  • Doubling of industry standard load/unload cycles to 600,000K
  • Optimized for single disk design
  • Enhancements to mechanical and electrical design
  • Outstanding performance


  • Notebook PCs
  • External Storage
  • Portable Video Recorders
  • Digital Audio
  • Multi-Media
  • Portability Applications
Write Your Own Review
You're reviewing:Hitachi Travelstar 4K40 - 40.0GB 4200RPM Ultra ATA-100Mb/s 2MB Cache 2.5" 9.5mm Laptop Hard Drive - HTS424040M9AT00