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Toshiba MK4019GAX 40GB ATA-5 2.5" 
Super Slim Line (9.5mm) Notebook Hard Drive (HDD2171)


Toshiba America Information Systems, Inc. (TAIS), Storage Device Division introduces the MK4019GAX 2.5-inch 40GB Hard Disk Drive. The MK4019GAX offers the industries highest areal density per platter, at 34.7 gigabits per square inch. The drive's 5400 RPM motor speed, improves system-level performance by as much as 12 percent when compared to 4200 RPM drives.

This new drive offers enough capacity for portable video recording and editing, with lower power consumption compared to the traditional 3.5-inch HDDs. This functionality provides ideal storage for a range of commercial and consumer notebooks, as well as non-PC applications such as PDAs, printers, copiers, GPS systems and MP3 players. The MK4019GAX is ATA-5 compliant, supporting high transfer rates of up to 100 megabytes per second.


  • 40GB capacity
  • Rotational Speed of 5,400rpm
  • Fluid Dynamic Bearing (FDB) motor drive
  • 9.5mm High
  • 12ms Average Seek Time
  • ATA-5 Interface
  • 100MB/sec Transfer Rate
  • 16,384KB Buffer
  • 300,000 MTTF Hours


Per drive,
Data Heads 4
Number of Disks 2

Logical Configuration:

Heads 16
Cylinders 16,383
User Sectors/Track at zone 0 63
Logical Blocks (LBA) 78,140,160

Data Transfer Rate:

Max transfer rate to host 100MB/sec

Seek Time:

Track-to-track 3ms
Average 12ms
Maximum 24ms
Average Latency: 5.55ms
Interface: ATA-2/3/4/5
Buffer: 16,384KB


Height 0.37" (9.5mm)
Width 2.75" (69.85mm)
Depth 3.94" (100mm)
Weight: 3.563 oz (102g)

Reliability Characteristics

(Power on hours):
Preventive Maintenance: None
Error Rates: Non-recoverable 1 in 1013 bits
Seek 1 in 106 seeks
Product Life: 5 years or 20,000 power ON hours

Product Content:

  • Toshiba MK4019GAX 40GB ATA-5 2.5" Super Slim Line (9.5mm) Notebook Hard Drive (HDD2171)

Before you purchase this item, please ensure that you have verified compatibility with system by visiting the manufacturer's web site.
We assume no responsibility and will not accept full refunds for items purchased that are not compatible with your system configuration



  • 30 Day

Availability: Usually ships the same business day

Toshiba MK4019GAX 40GB ATA-5 2.5" Super Slim Line (9.5mm) Notebook Hard Drive (HDD2171)
MK4019GAXP.O & Phone Orders: $119.00ON-LINE SPECIAL: $99.00
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