<P> The number of industry participants decreased to 6 in 2009 and 3 in 2013 </P> <P> Unit production peaked in 2010 at about 650 million units and has been in a slow decline since then Shipments in 2016 estimated at about 424 million units . </P> <Ul> <Li> 1956--IBM 350, shipment of test disk drive to Zellerbach, SF CA, USA </Li> <Li> 1957--IBM 350, first production disk drive, 5 million characters (6 - bit), equivalent to 3.75 megabytes . </Li> <Li> 1961--IBM 1301 Disk Storage Unit introduced with one head per surface and aerodynamic flying heads, 28 million characters (6 - bit) per module . </Li> <Li> 1961--Bryant Computer Products division of Ex-Cell - O, 1 meter platters, 1200 RPM, up to 205MB . </Li> <Li> 1962--IBM 1311 introduced removable disk packs containing 6 disks, storing 2 million characters per pack </Li> <Li> 1964--IBM 2311 with 7.25 megabytes per disk pack </Li> <Li> 1964--IBM 2310 removable cartridge disk drive with 1.02 MB on one disk </Li> <Li> 1965--IBM 2314 with 11 disks and 29 MB per disk pack </Li> <Li> 1968--Memorex is first to ship an IBM - plug - compatible disk drive </Li> <Li> 1970--IBM 3330 Merlin, introduced error correction, 100 MB per disk pack </Li> <Li> 1973--IBM 3340 Winchester introduced removable sealed disk packs that included head and arm assembly, 35 or 70 MB per pack </Li> <Li> 1973--CDC SMD announced and shipped, 40 MB disk pack </Li> <Li> 1976--1976 IBM 3350 "Madrid"--317.5 megabytes, eight 14" disks, re-introduction of disk drive with fixed disk media </Li> <Li> 1979--IBM 3370 introduced thin film heads, 571 MB, non-removable </Li> <Li> 1979--1979 IBM 62PC "Piccolo"--64.5 megabytes, six 8" disks, first 8 - inch HDD </Li> <Li> 1980--The IBM 3380 was the world's first gigabyte - capacity disk drive . Two 1.26 GB, head disk assemblies (essentially two HDDs) were packaged in a cabinet the size of a refrigerator, weighed 455 kg (1000 lb), and had a price tag of 81,000 USD (Model B4) which is 240,579 USD in present - day terms . </Li> <Li> 1980--ST - 506 first 5 ​ ⁄ inch drive released with capacity of 5 megabytes, cost $1500 USD </Li> <Li> 1982--HP 7935 404 megabyte, 7 platter hard drive for minicomputers, HP - IB bus, $27,000 </Li> <Li> 1983--RO351 / RO352 first 3 ​ ⁄ inch drive released with capacity of 10 megabytes </Li> <Li> 1986--Standardization of SCSI </Li> <Li> 1988--PrairieTek 220--20 megabytes, two 2.5" disks, first 2.5 inch HDD </Li> <Li> 1989--Jimmy Zhu and H. Neal Bertram from UCSD proposed exchange decoupled granular microstructure for thin film disk storage media, still used today . </Li> <Li> 1990--1990 IBM 0681 "Redwing"--857 megabytes, twelve 5.25" disks . First HDD with PRML Technology (Digital Read Channel with' partial response maximum likelihood' algorithm). </Li> <Li> 1991--IBM 0663 "Corsair"--1,004 megabytes, eight 3.5" disks; first HDD using magnetoresistive heads </Li> <Li> 1991--Integral Peripherals 1820 "Mustang"--21.4 megabytes, one 1.8" disk, first 1.8 - inch HDD </Li> <Li> 1992--HP Kittyhawk--20MB, first 1.3 - inch hard - disk drive </Li> <Li> 1993--IBM 3390 model 9, the last Single Large Expensive Disk drive announced by IBM </Li> <Li> 1994--IBM introduces Laser Textured Landing Zones (LZT) </Li> <Li> 1997--IBM Deskstar 16GP "Titan"--16,800 megabytes, five 3.5" disks; first (Giant Magnetoresistance) heads </Li> <Li> 1997--Seagate introduces the first hard drive with fluid bearings </Li> <Li> 1998--UltraDMA / 33 and ATAPI standardized </Li> <Li> 1999--IBM releases the Microdrive in 170 MB and 340 MB capacities </Li> <Li> 2002--(Parallel) ATA breaks 137 GB (128 GiB) addressing space barrier </Li> <Li> 2003--Serial ATA introduced </Li> <Li> 2003--IBM sells disk drive division to Hitachi </Li> <Li> 2004--MK2001MTN first 0.85 - inch drive released by Toshiba with capacity of 2 gigabytes </Li> <Li> 2005--First 500 GB hard drive shipping (Hitachi GST) </Li> <Li> 2005--Serial ATA 3 Gbit / s standardized </Li> <Li> 2005--Seagate introduces Tunnel MagnetoResistive Read Sensor (TMR) and Thermal Spacing Control </Li> <Li> 2005--Introduction of faster SAS (Serial Attached SCSI) </Li> <Li> 2005--First perpendicular magnetic recording (PMR) HDD shipped: Toshiba 1.8 - inch 40 / 80 GB </Li> <Li> 2006--First 750 GB hard drive (Seagate) </Li> <Li> 2006--First 200 GB 2.5" hard drive utilizing perpendicular recording (Toshiba) </Li> <Li> 2006--Fujitsu develops heat - assisted magnetic recording (HAMR) that could one day achieve one terabit per square inch densities </Li> <Li> 2007--First 1 terabyte hard drive (Hitachi GST) </Li> <Li> 2008--First 1.5 terabyte hard drive (Seagate) </Li> <Li> 2009--First 2.0 terabyte hard drive (Western Digital) </Li> <Li> 2010--First 3.0 terabyte hard drive (Seagate, Western Digital) </Li> <Li> 2010--First hard drive manufactured by using the Advanced Format of 4,096 bytes a block ("4K") instead of 512 bytes a block </Li> <Li> 2011--First 4.0 terabyte hard drive (Seagate) </Li> <Li> 2011--Floods hit many hard drive factories . Predictions of a worldwide shortage of hard disk drives cause prices to double . </Li> <Li> 2012--Western Digital announces the first 2.5 - inch, 5 mm thick drive, and the first 2.5 - inch, 7 mm thick drive with two platters (Western Digital) </Li> <Li> 2012--HGST announces helium - filled hard disk drives, promising cooler operation and the ability to increase the maximum number of platters from five to seven in the 3.5" form factor (Hitachi GST) </Li> <Li> 2012--TDK demonstrates 2 TB on a single 3.5 - inch platter </Li> <Li> 2012--Hitachi Global Storage Technologies and Western Digital merge to one hard drive manufacturer . To ensure actual competition on the hard drive market after the merging, the U.S. Federal Trade Commission requires that Western Digital and Hitachi GST give assets and intellectual property rights to Toshiba . This allows Toshiba to re-enter the 3.5" desktop hard disk drive market with capacities up to 3 TB . Prior to this, Toshiba had only manufactured 2.5" laptop HDDs for many years . </Li> <Li> 2013--Seagate announces that it will ship hard disk drives with capacities up to 5 TB using shingled magnetic recording (SMR), a method where tracks are written to partially overlap each other . The read head, being smaller, can still read the overlapped tracks . </Li> <Li> 2013--HGST announces a helium - filled 6 TB hard disk drive for enterprise applications </Li> <Li> 2013--Western Digital demonstrates heat assisted magnetic recording (HAMR) technology </Li> <Li> 2014--Seagate introduces 6 TB hard drives that do not use helium, in turn increasing their power consumption and lowering their overall cost </Li> <Li> 2014--Seagate ships world's first 8 TB hard drives </Li> <Li> 2015--In June HGST ships Ultrastar Archive Ha SMR HDD, the world's first 10 TB HDD followed in December by a conventional PMR HDD </Li> <Li> 2017--12 TB Helium - based HDD available from Western Digital . </Li> <Li> 2017--14 TB Helium - filled PMR HDD announced by Toshiba, with availability being promised for 2018 Q1 or Q2 . </Li> </Ul> <Li> 1956--IBM 350, shipment of test disk drive to Zellerbach, SF CA, USA </Li>

When was the first 1tb hard drive released