Thursday, August 29, 2013

ICY News: History: Milestones in HDD Capacity

From 5MB in 1956 to 4TB today 
 Year Maker Model  Capacity More Than
 1956 IBM 350 Ramac    5MB    1MB
 1961 Bryant 4240   90MB   50MB
 1965 IBM 2302-3  100MB  100MB
 1974 IBM 3330-11 Iceberg  200MB  200MB
 1975 STC 8800 Super Disk  880MB  500MB
 1981 IBM 3380 1.26GB    1GB
 2001 Seagate Barracuda 180  182GB  100GB
 2005 Hitachi GST 7K500  500GB  500GB
 2006 Seagate Barracuda 7200.10  750GB  750GB
 2007 Hitachi GST 7K1000    1TB    1TB
 2008 Seagate Barracuda 7200.11   1.5TB   1.5TB
 2009 WD Caviar Green WD20EADS    2TB    2TB
 2010 Seagate External GoFlex Desk    3TB    3TB
 2012 Hitachi GST 7K4000    4TB    4TB

 (Source: Disk/Trend and
Now everybody is at 4TB, Tohiba, Seagate, WD as well as its subsidiary HGST; The first 5TB and 6TB HDDs are expected next year in 3.5" form factor.

     First HDD Form Factor Introduction

Form factor Year introducedCompany
 39-inch 1961 Bryant Computer
 24-inch 1956 IBM
 14-inch 1963 IBM
 10.5-inch 1981 Fujitsu
 9.5-inch 1988 Hitachi
 8.8-inch 1984 Hitachi
 8.0-inch 1979 Shugart Associates
 6.5-inch 1993 Hitachi
 5.25-inch 1980 Seagate
 3.5-inch 1983 Rodime
 3.0-inch 1996 JTS
 2.5-inch 1988 PrairieTek
 1.8-inch 1991 Intégral Peripherals
 1.5-inch 1991 Ecol.2
 1.3-inch 1992 HP
 1.0-inch 1999 IBM
 0.85-inch 2004 Toshiba
  (Sources: Disk/Trend and

Hard drive industries are growing rapidly with more capacity and smaller form factor. Almost every user have high capacity HDD nowadays that its not a necessity to purchase multiple small capacity drives since it would be a waste of space for extra drive. To keep safe and secure with high capacity HDDs, getting an enclosure to protect the drives may be the best solution to prevent loss of any data. 

Link to entire Article from StorageNewsletter: History: Milestones in HDD Capacity 

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