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| punched tape & card | memory | magnetic & optic medium | modem & phone | miscellaneous |
Magnetic core memory
| Ampex | Ampex | Bull | Bull | Core Memories |
| 16k x 8bits | 16k x 8bits | 294 bits | 22'500 bits | ? |
| 1983 | 1983 | 1965 | 1972 | 1973 |
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| Data General | Digital pdp | Digital pdp 11 | Digital pdp 11 | EMM |
| 8k | 1024 bits | 32k x 18 bits | 32k x 18 bits | 4k x 16 bits |
| 1971 | 1969 | 1984 | 1984 | 1978 |
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| Fuji | Hewlett Packard | Mullard | NCR | RCA |
| 32 x 32 x 2 bits | 8k | 4056, 8k x 18 bits | 1k | 12 |
| 1980 | 1978 | 1974 | 1976 | 1970 |
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| Triumph | ? | ? |
| 4 x 18 bits | 240 x 16 bits | ? |
| 1947 | 1969 | 1977 |
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Magnetostrictive and bubble memory
| Toko | Fairchild |
| 4k x 18 bits | bubble memory |
| 1979 | 1987 |
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EPROM
| MM 5204Q | C 1702 A | C 2704 | C 2708 | HN 2716 | HN 2732 |
| 256 * 8 bits | 256 * 8 bits | 512 * 8 bits | 1k * 8 bits | 2k * 8 bits | 4k * 8 bits |
| 1973 | 1975 | 1975 | 1976 | 1979 | 1980 |
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| D 2764 A | TMS 27128 | MBM 27256 | M 27512 |
| 8k * 8 bits | 16k * 8 bits | 32k * 8 bits | 64k * 8 bits |
| 1983 | 1989 | 1988 | 1997 |
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| M 271000 | AM 27020 | NM 27040 | M 27801 |
| 128k * 8 bits | 256k * 8 bits | 512k * 8 bits | 1024k * 8 bits |
| 1997 | 1997 | 1998 | 1998 |
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