

1950s: magnetic drums were the first mechanical “direct access” storage device.

1951: Magnetic Tapes, Their tape was made of metal, but later tapes have been made mostly of plastic.

1956: IBM: the 305 RAMAC (Random Access Method of Accounting and Control). This system could store five MBytes. It had fifty, 24-inch diameter disks!

1958: laserdisk technology was developed by David Paul Gregg in the form of a transparent disk (this technology was the predecessor to the CD)

1961: First use of zoned recording: Bryant Computer 4240 – 90 Megabytes, twenty four 39" disks

1961: IBM had invented the first disk drive with air bearing heads: IBM 1301 "Advanced Disk File" – 28 Megabytes, twenty five 24" disks

1963: First 14" disk drive and first with removable disk pack: IBM 1311 "Low Cost File" – 2.69 Megabytes, six 14" disks

1965: First voice coil actuator, first single disk cartridge drive: IBM 2310 "Ramkit" – 1.024 Megabytes, one 14" disk

1966: First disk drive with ferrite core heads: IBM 2314 -- 29.17 Megabytes, eleven 14" disks

1967: The IBM 1360 was the world’s first device capable of storing 1 trillion bits. An electron beam wrote information onto small plastic strips that were then stored in a robotic retrieval system


1969: the eight inch floppy disk drive was introduced by IBM

1969: Philips developed the Laser disk in reflective mode, which worked much better than it's transparent counter-part

1970: DEC Hard Drive Assembly

1971: First track-following servo system: IBM 3330-1 "Merlin" – 100 Megabytes, eleven 14" disks

1971: First flexible disk drive, read-only: IBM 23FD "Minnow" -- .0816 Megabytes, one 8" disk

1973: IBM shipped the model 3340 Winchester,The 3340 had two spindles each with a capacity of 30 MBytes

1973: First flexible disk drive to set industry standard for 8 inch diskettes: IBM 33FD "Igar" -- .156 Megabytes, one 8" disk

1975: Tape Drive(Recorder) IBM 5106 Tape Drive

1975: First disk drive with rotary actuator: IBM 62 GV "Gulliver" – 5 or 9 Megabytes, one 14" disk

1976: First 5.25 inch flexible disk drive: Shugart Associates SA400 -- .2188 Megabytes, one 5.25" disk

1976: Re-introduction of disk drive with fixed disk media: IBM 3350 "Madrid" -- 317.5 Megabytes, eight 14" disks

1976: First flexible disk drive with two sided recording: IBM 43FD "Crystal" -- .568 Megabytes, one 8" disk

1978: the StorageTek company developed the first solid-state drive.

1978: The reflective Laserdisk was finally released, Philips produced the LD players, and MCA made the disks

1979: First disk drive with thin film heads, and 2,7 encoding: IBM 3370 "New File Project" – 571.4 Megabytes, seven 14" disks

1979: First 8 inch rigid disk drive: IBM 62PC "Piccolo" – 64.5 Megabytes, six 8" disks

1980: The world's first gigabyte-capacity disk drive, the IBM 3380 was introduced, weighing 550 pounds

1980: Seagate Technology introduced the first hard disk drive for microcomputers, the ST506, It was a full height (twice as high as most current 5 1/4" drives) 5 1/4" drive, with a stepper motor, and held 5 Mbytes

1981: First 10.5 inch rigid disk drive: Fujitsu F6421 "Eagle" – 446 Megabytes, six 10.5" disks

1981: First 3.5 inch flexible disk drive: Sony OA-D3OV -- .4375 Megabytes, one 3.5" disk

1982: Morrow Designs creates the 20MB Hard Disk Drive

1982: First 9 inch rigid disk drive: Control Data 9715-160 "FSD" – 150 Megabytes, six 9" disks
1982: Apple's III External Floppy Drive(5 1/2)

1983: Philips and Sony, in consortium, successfully developed the compact disc

1983: Rodime made the first 3.5 inch rigid disk drive: RO 352 – 10 Megabytes, two 3.5" disks

1983: First 8 disk 5.25 inch disk drive, with in-hub motor: Maxtor XT-1140 – 126 Megabytes, eight 5.25" disks

1983: Iomega released the Bernoulli Box which takes high capacity Bernoulli disks( >20MB). It was the predecessor to Zip Drives

1984: Sun Microsystems released a Network File System which allowed network servers to share their storage space with networked clients

1984: The first CD-ROM drives were shipped

1984: First 8.8 inch rigid disk drive: Hitachi DK815-5 – 460 Megabytes, eight 8.8" disk
1985: The 3 1/2" IDE drive started its existence as a drive on a plug-in expansion board, or "hard card." The hard card included the drive on the controller which, in turn, evolved into Integrated Device Electronics (IDE) hard disk drive, where the controller became incorporated into the printed circuit on the bottom of the hard disk drive: Quantum Hardcard – 10.5 Megabytes, one 3.5" disk

1986: the first 3 /12" hard disks with voice coil actuators were introduced by Conner in volume, but half (1.6") and full height 5 1/4" drives persisted for several years: Conner Peripherals CP340 – 40 Megabytes, two 3.5" disks

1986: Standardization of SCSI, most commonly used on early Macs for external Hard Drives because macs did not have internal HDD bays

1987: HP Prototype DDS-1 Tape Drive

1988: Conner introduced the first one inch high 3 1/2" hard disk drives: Conner Peripherals CP3022 – 21 Megabytes, one 3.5" disk

1988: PrairieTek shipped the first 2 1/2" hard disks: PrairieTek 220 – 20 Megabytes, two 2.5" disks

1988: First 9.5 inch rigid disk drive: Hitachi DKU-86i – 1,890 Megabytes, eight 9.5" disks

1989 - Jimmy Zhu and H. Neal Bertram from UCSD proposed exchange decoupled granular microstructure for thin film disk storage media, still used today.
1989: Apple 3.5 Floppy drive

1990: PRML Technology introduced (Digital Read Channel with 'Partial Response Maximum Likelihood' algorithm) IBM 0681 "Redwing" – 857 Megabytes, twelve 5.25" disks

1991: 2.5-inch 100 megabyte hard drive
1991: First disk drive using magnetoresistive heads: IBM 0663 "Corsair" – 1,004 Megabytes, eight 3.5" disks

1991: First 1.8 inch disk drive: Integral Peripherals 1820 "Mustang" – 21.4 Megabytes, one 1.8" disk

1992: First 1.8 inch PC Card disk drives: Integral Peripherals 1841PA "Ranger" – 42.5 Megabytes, one 1.8" disk
1992: first 1.3-inch hard disk drive: Hewlett-Packard C3013A "Kittyhawk" – 21.4 Megabytes, two 1.3" disks

1993: Seagate introduced the first 7,200 RPM, Ultra ATA hard disk drive for desktop computers: ST12550 "Barracuda" – 2,139 Megabytes, ten 3.5" disks

1993: First 6.5" rigid disk drive: Hitachi H-6588-314 – 2,920 Megabytes, eight 6.5" disks
1994: IBM introduces Laser Textured Landing Zones (LZT)

1994: Sandisk releases Compactflash cards

1995: First embedded servo flexible disk drive: Zip Drives were developed in 100MB sizes, later followed by 250 and 750MB: Iomega Zip 100

1995: First 3 inch rigid disk drive: JTS N0640-2AR – 641.7 Megabytes, two 3" disks
1995: The Quantum Fireball 1.2GB HDD

1995: Philips External CD-ROM Drive

1995: the DVD was created which could be written up to 4.7GB

1995: M-Systems introduced flash-based solid-state drives

1995: Apple introduced Firewire to replace Parallel SCSI as serial SCSI eventually did, Firewire had improvements in 2000, 2002, 2006, and will in 2008

* 1994 DMA, Mode 2 at 16.6MB/s
* 1997 Ultra ATA/33 at 33.3MB/s
* 1999 Ultra ATA/66 at 66.6MB/s
* 2000 Ultra ATA/100 at 100MB/s
* 2003 PATA/133 at 133MB/s
* 2003 Serial ATA 1.5 at 150MB/s
* 2005 Serial ATA 3.0 at 300MB/s
* 2009 Serial ATA 6.0 at 600MB/s
1996: IBM introduces GMR (Giant MR) Technology for read sensors

1997: First drive using giant magnetoresistive heads: IBM Deskstar 16GP "Titan" – 16,800 Megabytes, five 3.5" disks

1997: First 10,000 RPM disk drive: Seagate Technology ST19101 "Cheetah 9" – 9,100 Megabytes, eight 3.5" disks

1998 - UltraDMA/33 and ATAPI standardized

1998: First 10,000 RPM drive with 3 inch disks: Seagate Technology ST118202 "Cheetah 18" – 18,200 Megabytes, twelve 3" disks

1998: First 12,000 RPM disk drive: Hitachi DK3E1T-91 – 9,200 Megabytes, nine 2.5" disks
1999: IBM releases the Microdrive in 170 MB and 340 MB capacities.

2000: the first SD (Secure Digital) card was produced jointly by Sandisk, Toshiba and Panasonic

2000: Trek Technology and IBM began selling the first USB flash drives commercially(8MB)

2000: Seagate unveils the first 15,000 RPM HDD: Seagate Technology ST318451 "Cheetah X15" – 18,350 Megabytes, three 2.5" disks

2001: talk of Holographic data storage, which is said to be capable of recording and reading millions of bits in parallel, enabling data transfer rates greater than those attained by optical storage.

2002: 137 GB addressing space barrier broken
2003: CeBIT: Sandisk released MiniSD cards in 16MB size

2003: Serial ATA introduced

April 2003: Blu-Ray became commercially available, though only in Japan with single Layer Disks of size 25GB, and Dual Layer 50GB disks available

2004: eSATA, External SATA became standardized

2005: Introduction of faster SAS (Serial Attached SCSI)

2005: First 500 GB hard drive shipping (Hitachi GST)

2005: InPhase conducts the first public demonstrations of holographic storage at the National Association of Broadcasters convention

2005: Serial ATA 3G standardized

2005: Perpendicular recording introduced in consumer HDDs

2005: First .85" disk Drive: Toshiba

2005: the i-RAM is a solid-state drive produced by Gigabyte which has four DIMM slots to allow PC DDR RAM to be used to store data.

2005: at CeBit, IBM introduces Millipede memory, non-volatile computer memory stored on nanoscopic pits burned into the surface of a thin polymer layer, read and written by a MEMS-based probe, can hold more than 1 terabit per square inch.

2006: First 200 GB 2.5" hard drive utilizing Perpendicular recording (Toshiba)

2006: First 750 GB hard drive

2006: MicroSD cards introduced, primarily used in cell phones, in up to 2GB capacities

2006: BD-ROM(Blu-Ray Disks) had become available in the US following DRM protection and Specification finalizations

2006: hybrid Disk Drives are designed

2006: Fujitsu develops heat-assisted magnetic recording (HAMR) that could one day achieve one terabit per square inch densities.

December 11, 2006: Advanced Media, Inc. is set to add a non-volatile Flash Solid State Disk (SSD) storage medium to its RIDATA line. It is available in 16 GB and 32GB capacities.

2007:Hybrid Disk Drives are released by Samsung for Notebook Computers

2007: Hitachi GST introduces 1 terabyte hard drive

January 2007: A-DATA introduced at the Las Vegas CES 2007 (January 2007) SSD drives at capacities of 32 GB, 64 GB (1.8" model) and 128 GB (2.5" model)

2007: Hard Drive Docks were Produced for internal Hard Drives made external, using the USB or eSATA interface

January 2008: CompactFlash cards reach 64GB in size

February 2008: the High Definition Media War is over: Blu-Ray had won

2008: USB Flash Drives now also reach the size of 64GB

2008: Micro SD cards Reach 12GB capacities

May 2008: SSD's size reaches 256GB: Samsung announces increase in capacity of its flash-based SSD line to 256 GB

2008: Seagate announced the first 1.5 terabyte hard drive

2008: Micron Introduces RealSSD's, a performance increased SSD

Sep 2008: Intel launches the fastest SSD(or hard drive for that matter) in existance, the 80 & 160 GB Intel X25M SSD using intel's own controller and NAND flash memory

2008?: Addonics releases a CF - SATA HDD Adapter, to make up to two Compact Flash cards (possibly in RAID) act as a Solid State Drive(though slightly slower, but much cheaper)

Jan 27th, 2009: Western Digital Announces the world's largest capacity HDD to date, holding 2TB, as part of their "Cool and Quiet, Caviar Green" series with a 5400RPM spindle speed

Feb 4th 2009: Seagate intros the 7,200rpm 2TB Constellation ES, first 2TB Drive to run at 7200RPM

April 8th 2009: Super Talent Announces the first 512GB 2.5-Inch Solid State Drive

April 17 2009: OCZ Technology Introduces MiniPCI–Express Solid State Drives

April 23 2009: OCZ Technology Announces the Z-Drive PCI-Express SSD for Enthusiasts with up to One Terabyte of Storage

June 5th 2009: A-DATA unveils the world's slimmest Portable Hard Disk Drive, the NH92

June 9th 2009: WD Intros first 4TB External Hard Drive, the My Book Studio Edition Dual-drive External Storage System

June 29 2009: Super Talent Ships New Line of Flash Disk Modules That incorporate a standard IDE hard drive interface and use solid state NAND flash as the storage media, 8, 16 32GB

July 14th 2009: Seagate Releases Cheetah 15K.7 Enterprise Hard Drives in record 600GB capacity

July 21st 2009: Intel Delivers Industry's First 34-Nanometer NAND Flash Solid-State Drives, The Intel X25-M

July 22nd 2009: A-DATA Announces Turbo Series SDHC Class 10 Memory Card

July 27th 2009: Western Digital Ships First 1TB Mobile Hard Drive, the WD Scorpio Blue 1 TB (model WD10TEVT)

July 29th 2009: Samsung Launches The Spinpoint F3 which utilizes advanced 500GB per platter technology, so that two-platter 1TB capacity is achieved.

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