![Interesting Engineering on Twitter: "In June 1956, IBM developed the first commercial hard disk drive as part of the IBM 305 RAMAC system ( the first 'super' computer ). The HDD has Interesting Engineering on Twitter: "In June 1956, IBM developed the first commercial hard disk drive as part of the IBM 305 RAMAC system ( the first 'super' computer ). The HDD has](https://pbs.twimg.com/media/EXCG22tXsAMfxux.png)
Interesting Engineering on Twitter: "In June 1956, IBM developed the first commercial hard disk drive as part of the IBM 305 RAMAC system ( the first 'super' computer ). The HDD has
hard disk drive 01 The first hard disk drive was the IBM Model 350 Disk File that came with the IBM 305 RAMAC computer in 1956. It had 50 24-inch dis | Forum for Electronics
![coskun harmansah on Twitter: "Amazing Technology that make us feel the future !!! IBM launched the 305 RAMAC (the first 'SUPER' computer) with a hard disk drive (HDD) in September 1956. The coskun harmansah on Twitter: "Amazing Technology that make us feel the future !!! IBM launched the 305 RAMAC (the first 'SUPER' computer) with a hard disk drive (HDD) in September 1956. The](https://pbs.twimg.com/media/EiQ5PzrXkAAwQCU.jpg)
coskun harmansah on Twitter: "Amazing Technology that make us feel the future !!! IBM launched the 305 RAMAC (the first 'SUPER' computer) with a hard disk drive (HDD) in September 1956. The
![The world's first magnetic disk storage device (hard disk) Story till "RAMAC" is born in IBM - GIGAZINE The world's first magnetic disk storage device (hard disk) Story till "RAMAC" is born in IBM - GIGAZINE](http://i.gzn.jp/img/2016/04/26/creating-magnetic-disk-storage/00.jpg)