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Evolution of the hard drive Travis Aubrey. 1956:The hard drive was born. IBM created the first hard drive for the RAMAC 305 system This hard drive is this size of two refrigerators and only holds 5 mb of space. 1961. Heads for disk drives now use “air bearings”. 1963: removable.
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1956:The hard drive was born • IBM created the first hard drive for the RAMAC 305 system This hard drive is this size of two refrigerators and only holds 5 mb of space
1961 • Heads for disk drives now use “air bearings”
1963: removable • IBM invents the first removable hard drive the 1311 it held up to 2.6MB of space
1978:RAID(Redundant Arrays of Indepen. Disks) • The first RAID technology was patented
1980:1 Gb • IBM introduced the first 1 gig HDD which weighed 550 pounds and cost $40,000.
1985: ESDI • Enhanced Small Device Interface controller board • This allowed for larger/faster drives to be used
1992: Barracuda:seagate • The first hard drive to run at 7200 rpm (revolutions per minute) and store 2.1 GB of data
1996:Cheetah:seagate • The first hard drive to run at 10,000 RPM
1998: Microdrive:IBM • The smallest hard drive to date, it holds 340MB and it is 1-inch in size
2006: Raptor X • 10,000 RPM SATA hard drive holds 150 GB with a transparent window to show how it works.
2007:Hitachi • The first terabyte hard drive was formed
Work Cited • http://en.wikipedia.org/wiki/History_of_hard_disk_drives • http://www.pcworld.com/article/127105/timeline_50_years_of_hard_drives.html • Google images