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Toshiba MK3021GAS 30GB ATA-2/3/4/5 
2.5" 9.5"mm Notebook Hard Drive (HDD2181)


Toshiba America Information Systems, Inc. (TAIS), Storage Device Division introduces the MK3021GAS 2.5-inch 30GB Hard Disk Drive. The MK3021GAS offers the industries highest areal density per platter, at 48.8gigabits per square inch. 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 MK3021GAS is ATA-5 compliant, supporting high transfer rates of up to 100 megabytes per second.


  • 30GB capacity
  • Fluid Dynamic Bearing (FDB) motor drive
  • 9.5mm High
  • 12ms Average Seek Time
  • ATA-5 Interface
  • 100MB/sec Transfer Rate
  • 2,048KB Buffer
  • 300,000 MTTF Hours


Data Storage Physical:

Per drive, formatted 30.0058GB
Data Heads 2
Number of Disks 1

Logical Configuration:

Heads 16
Cylinders 16,383
User Sectors/Track at zone 0 63
Logical Blocks (LBA) 58,605,120
Rotational Speed: 4,200rpm

Data Transfer Rate:

Max transfer rate to host 100MB/sec

Seek Time:

Track-to-track 2ms
Average 12ms
Maximum 22ms
Average Latency: 7.14ms
Interface: ATA-2/3/4/5
Buffer: 2,048KB

Physical Specs

  • Height 0.37" (9.5mm)
  • Width 2.75" (69.85mm)
  • Depth 3.94" (100mm)
  • Weight: 3.32 oz (94g)
  • Reliability Characteristics

    MTTF (Power on hours): 300,000
    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 MK3021GAS 30GB ATA-2/3/4/5 2.5" 9.5"mm Notebook Hard Drive (HDD2181)

    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 MK3021GAS 30GB ATA-2/3/4/5 2.5" 9.5"mm Notebook Hard Drive (HDD2181)
    MK3021GASP.O & Phone Orders: $69.00ON-LINE SPECIAL: $49.00
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