Hitachi Travelstar C3K80 - 40.0GB 3600RPM ZIF Ultra-ATA 33Mb/sec 128KB Cache 1.8" 5mm Laptop Hard Drive - HTC368040H5CE00


Warranty1 Year Warranty

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ManufacturerHGST Hitachi Global Storage Technology
SeriesHGST Travelstar C3K80 Mobile HDD PATA/ZIF
UPC CodeDoes Not Apply

Product Specs

Product Specs
Capacity40.0 GB
Spindle Speed3600 RPM Fluid Dynamic Bearing (FDB) Motor
Cache Buffer128 KB Intelligent Read/Write Ahead Caching
Advanced FormatNo - 512 Sector Size (Bytes)
Form Factor1.8 Inch Internal Hard Drive
InterfacePATA (EIDE Ultra-DMA ATA-7)
Interface SpeedDMA Mode-2 Ultra ATA-7 33MB/sec (max) to/from Host
Data Transfer Rate97 Mb/sec Media Transfer Rate (max)
Interface ConnectorZIF CE PATA 40-pin Connector (zero-insertion force)
Seek Time14.0 ms Average Seek Time (typical)
Recording TechnologyPerpendicular Magnetic Recording (PMR) Technology
Life Expectancy20,000 Power On Hours (POH) / 5 Years Component Design Life
Workload Rating300,000 Hours MTBF (Mean Time Before Failures) / 300,000 (Load/Unload Cycles)
Shock ResistanceOperating: 600Gs / 2ms - Non Operating: 1500Gs / 1ms (half sine wave)
EncryptionNo - Standard Model
Rohs CompliantYes
Dimensions(L x W x H) 71.0mm x 54.0mm x 5.0mm
Part Number0C35742
ClassificationMainstream Drives

Key Features

  • Capacities up to 80GB
  • 3600 RPM Rotational Speed Motor
  • Intelligent Read/Write Ahead Caching Technology
  • Low Power Consumption
  • Internal Shock Sensor
  • Ultra Quiet Silent Seek Technology
  • Embedded Sector Servo Actuator Technology
  • Balanced Low Mass Rotary Voice Coil Actuator with Auto Lock
  • Advanced Power Management (APM) Technology
  • Perpendicular Magnetic Recording (PMR) Technology
  • Read Multiple and Write Multiple Command Support
  • Thermal Fly Height Control (TFC) Technology
  • Full-Track Multiple-Sector Transfer Capability
  • On-the-Fly Error-Correction Algorithms
  • MTBF of 300,000 Hours
  • Multi Zone Recording Technology
  • Whisper Quiet with Fluid Dynamic Bearing (FDB) Motors

Hitachi HGST Travelstar C3K80 Series

1.8-inch slim-line hard disk drives for portable consumer devices

The Hitachi Travelstar C3K80 series of 1.8-inch hard disk drives offers up to 80 GB of storage for low-profile, ultra portable CE devices. It leverages the latest innovations in recording technology, connectivity, power management and shock tolerance to meet the rugged demands of portable use. Its 3600-RPM cycle speed lowers power requirements, extending usage time on a single battery charge in power-critical devices such as digital video cameras, portable media players, handheld GPS navigation devices and more. Ready to integrate into CE designs, the Travelstar C3K80 reduces manufacturers cost and time to market.

Designed for consumer use

Portable consumer devices live a tough life in pockets, purses, backpacks, briefcases, almost anywhere. They’re dropped on the ground, kicked under the bed and baked in the sun. Naturally, the technology that powers them must be designed for rugged, reliable use and inevitable consumer abuse. The Travelstar C3K80 addresses the most critical requirements of portable CE products, optimizing its features for maximum reliability and consumer enjoyment.


Using advanced perpendicular magnetic recording (PMR) technology, the Travelstar C3K80 improves reliability while increasing drive capacity more than 30% over the previous Travelstar model. Its 40-pin ZIF host connector is more reliable than 50-pin connectors common in notebook drives.

Low power consumption, long play times

The Travelstar C3K80’s 3600-RPM cycle speed contributes to a 20% reduction in power consumption and faster power on to ready times than previous models. Power management features minimize consumption in idle, read and standby modes where the drive spends most of its time. A highly integrated disk controller SoC uses no external buffers, another contributor to low power performance.

Exceptional shock protection

The Travelstar C3K80 delivers industry leading shock tolerance (600 G/2 ms), in part, through reduced slider size (mass), a femto air-bearing slider design, and the femto suspension.

High-quality audio / ultra-low noise

The Travelstar C3K80 achieves exceptional acoustic performance through fluid dynamic bearing (FDB) motors and optimized seek control. The drive’s sound emissions during idle and seek operations (1.6-bels and 2.2-bels, resp.) are undetectable by the human ear.

Tailored to manufacturers’ needs

The Travelstar C3K80 simplifies integration into most portable designs, making the manufacturers job easier as well. Widely used in CE devices today, the ZIF connector and flexible host connection cable offer a choice of mounting schemes. A small footprint and slim z-height (5 mm for 1-disk models and 8 mm for 2-disk models) provide configuration options. A choice of 30-, 40-, 60-, and 80-GB drives lets manufacturers tailor storage capacity for each product price point.


  • Ultra-light, ultra-quiet, power efficient
  • Storage capacities from 30 GB to 80 GB
  • 3600 RPMs reduces power consumption
  • Fast power-on-to-ready time
  • Reliable ZIF connector
  • Slim z-height: 5.0 mm (1 disk), 8.0 mm (2 disks)
  • Industry-leading operating shock tolerance

   Applications / Environments

  • Digital Video Cameras
  • Portable Media Players
  • Handheld Navigation/GPS Devices
  • Other Handheld Applications
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