Core Rope Memory - Memory Density

Memory Density

By the standards of the time, a relatively large amount of data could be stored in a small installed volume of core rope memory: 72 kilobytes per cubic foot, or roughly 2.5 megabytes per cubic meter. This was about 18-folda the amount of data per volume compared to standard read-write core memory.

Memory
technology
Data units per cubic foot Data units per cubic meter
Bytes Bits Bytes Bits
Core rope ROM 72 KB 576 Kbit ~2.5 MB ~20 Mbit
Magnetic core RAM 4 KB 32 Kbit ~140 KB ~1 Mbit

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