| Memory Technology | Typical access time (1993) | Typical $ per MByte in 1993 |
| Static Random Access (SRAM) | 8-35 nanosecond | $100-400 |
| Dynmic Random Access (DRAM) | 90-120 ns | $25-50 |
| Magnetic Disk | 10-20 Million nanoseconds | $1-2 |
| Typical access time (1997) | Typical $ per Mbyte in1997 | |
| SRAM | 5-25 ns | $100-$250 |
| DRAM | 60-120 ns | $5-$10 |
| Magnetic Disk | 10-20 Million nanosec. (like 1993) | $.10-$.20 (10 times cheaper!) |
(C) Copyright 2001, S.Chaiken.
All rights reserved.;
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