![In September 1956 IBM launched the 305 RAMAC, the first 'SUPER' computer with a hard disk drive (HDD). The HDD weighed over a ton and stored 5 MB of data. : r/interestingasfuck In September 1956 IBM launched the 305 RAMAC, the first 'SUPER' computer with a hard disk drive (HDD). The HDD weighed over a ton and stored 5 MB of data. : r/interestingasfuck](https://preview.redd.it/6xdw9z8aswy41.png?auto=webp&s=846cfd7af7b398bca41185e1040355d66b05b307)
In September 1956 IBM launched the 305 RAMAC, the first 'SUPER' computer with a hard disk drive (HDD). The HDD weighed over a ton and stored 5 MB of data. : r/interestingasfuck
![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/a09.jpg)
The world's first magnetic disk storage device (hard disk) Story till "RAMAC" is born in IBM - GIGAZINE
![Rohan on X: "A promotion video of the first commercial computer that used HDD, the #IBM 305 RAMAC in 1956 https://t.co/eF9i6Bzifj http://t.co/fTp6s6H5N3" / X Rohan on X: "A promotion video of the first commercial computer that used HDD, the #IBM 305 RAMAC in 1956 https://t.co/eF9i6Bzifj http://t.co/fTp6s6H5N3" / X](https://pbs.twimg.com/media/CQZJxtZUkAAL_os.png)
Rohan on X: "A promotion video of the first commercial computer that used HDD, the #IBM 305 RAMAC in 1956 https://t.co/eF9i6Bzifj http://t.co/fTp6s6H5N3" / X
![On this day : In 1956 :- IBM introduces the RAMAC 305, 1st commercial computer with a hard drive that uses magnetic disk storage, weighs over a ton. : r/ThisDayInHistory On this day : In 1956 :- IBM introduces the RAMAC 305, 1st commercial computer with a hard drive that uses magnetic disk storage, weighs over a ton. : r/ThisDayInHistory](https://i.redd.it/30st3fdl7hn71.jpg)
On this day : In 1956 :- IBM introduces the RAMAC 305, 1st commercial computer with a hard drive that uses magnetic disk storage, weighs over a ton. : r/ThisDayInHistory
![The IBM 305 RAMAC, the First Computer with a Hard Drive: $10,000 per Megabyte : History of Information The IBM 305 RAMAC, the First Computer with a Hard Drive: $10,000 per Megabyte : History of Information](http://www.ed-thelen.org/RAMAC/RAMAC-EngProtoType-.jpeg)
The IBM 305 RAMAC, the First Computer with a Hard Drive: $10,000 per Megabyte : History of Information
![Disk & RAID The first HDD (1956) IBM 305 RAMAC 4 MB 50x24 disks 1200 rpm 100 ms access 35k$/y rent Included computer & accounting software. - ppt download Disk & RAID The first HDD (1956) IBM 305 RAMAC 4 MB 50x24 disks 1200 rpm 100 ms access 35k$/y rent Included computer & accounting software. - ppt download](https://images.slideplayer.com/5/1517516/slides/slide_2.jpg)