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Table 1 Performance comparison of various probe memories [121]

From: Overview of Probe-based Storage Technologies

  Phase-change Magnetic Thermomech Ferroelectric
Density 3.3 Tb/in2 60 Gb/in2 4.0 Tb/in2 4.0 Tb/in2
Est. Max. density 10 Tb/in2 100 Tb/in2 10 Tb/in2 >10 Tb/in2
Read speed per probe 50 Mb s1 <10 b/s 40 kb s1 2 Mb s1
Write speed per probe 50 Mb s1 <10 b/s 1 Mb s1 50 kb s1
Travel per probe 2.5 m 0.5 m 750 m 5000 m