RAMAC actuator and disk stack
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- Details
- Description
- Date Introduced
- 1956
- Photographer
- Richards, Mark
- Dimensions
- overall: 54 in x 40 in x 30 in
- Manufacturer
- IBM Corporation
- Copyright Owner
- © Mark Richards
- Location
- US
- Keywords
- hard disk; Accounting; Business
- Object ID
- L2009.1.1
- Speed
- 0.6 s
- Memory Type
- Magnetic Disk
- Memory Size
- 4.4 MB
- Memory Width
- 6-bit + parity
- Cost
- $3,200/mo or $45,000
This is the heart of the world’s first disk drive. It has 50 24” disks spinning at 1,200 RPM holding 5 million characters of information.
