Hitachi Travelstar E5K100 - 40.0GB 5400RPM Ultra ATA-100Mb/s 8MB Cache 2.5" 9.5mm Laptop Hard Drive - HTE541040G9AT00


Warranty90 Day Warranty
AvailabilityIn Stock
ManufacturerHitachi Global Storage Technology
SeriesHitachi Travelstar E5K100
UPC CodeDoes Not Apply

Product Specs

Product Specs
Capacity40.0 GB
Spindle Speed5400 RPM Fluid Dynamic (FDB) Motor
Cache Buffer8 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) / 730 Power on Hours per month (24x7)
Workload Rating< 55 TB/yr (Workload Rate Limit) / 600,000 (Load/Unload Cycles)
Shock ResistanceOperating: 300Gs - 2ms, 160Gs - 1ms / 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 Number0A27112
ClassificationEndurance Drives

Key Features

  • Capacities up to 40GB
  • Built to run in 24/7 (always-on) Environments
  • 5400RPM Rotational Speed Motor
  • Read Multiple and Write Multiple Command Support
  • Optimized Femto Actuator/Suspension Design
  • Intelligent Caching Technology
  • Full Track Multiple Sector Transfer Technology
  • Native Command Queuing (NCQ) Technology
  • Perpendicular Magnetic Recording (PMR) Technology
  • 300,000 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 E5K100 Hard Drives

The Hitachi Travelstar E5K100 is designed to be powered on around the clock. With low power consumption and minimal heat emission, this 5400 rpm drive is the ideal choice for more demanding data access applications. The (always-on) Travelstar E5K100 delivers a winning combination of characteristics. With native Serial ATA interface, the E5K100 brings the advantages of 300G of operating shock, 1000G of non operating shock, and proven technology of Hitachi's Travelstar 2.5 Inch product line, the Travelstar E5K100 has the fortitude to win the race. The Travelstar E5K100 series extends Hitachi's broad product line to allow users the fullest range of choices to suit each application need. Hitachi Travelstar E5K100 series is designed specifically for environments that require a high storage capacity in a small space with low power and minimal heat characteristics, while delivering excellent performance and reliability. The E5K100 design utilizes proven storage technologies of Hitachi's award winning Travelstar line of products, such as TrueTrack Servo, Drive Fitness Test (DFT), and Self-Monitoring Analysis and Recording Technology (S.M.A.R.T.) to deliver performance and reliability in around-the-clock environments.

Reliability Leadership

With the transition to PMR technology, Travelstar E5K100 demonstrates reliability that parallels or exceeds conventional longitudinal technology. Hitachi has successfully integrated second generation PMR head and media technology with a new read channel and IrMnCr read heads by leveraging new materials, complex processes, tools and testing. This, combined with the proven storage technologies of award winning Travelstar products, allows Hitachi to deliver high capacity hard drives suitable for around-the-clock applications in small space environments.

Hitachi Quality and Service

Hitachi Travelstar mobile hard disk drives are designed to the highest quality standards and contain field proven components. Hitachi provides worldwide technical support and integration services to enable global customers to bring their products to market quickly.


  • High reliability mobile drive using perpendicular magnetic recording (PMR)
  • Best-in-Class for low-power utilization
  • Outstanding performance
  • PATA and SATA models
  • Designed for applications needing around-the-clock access in lower transaction environments


  • Blade Servers
  • Network Routers
  • Point-of-Sale Terminals
  • Web Hosting
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