File:Tape-capacities-1998-2025.svg
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Original file (SVG file, nominally 768 × 384 pixels, file size: 57 KB)
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This is a file from the Wikimedia Commons. The description on its description page there is shown below.
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This file supersedes the file Supertape data storage capacities.svg. It is recommended to use this file rather than the other one.
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Summary
| Description |
English: A graph of tape storage capacities for 5 formats over 28 years |
| Date | |
| Source | Own work |
| Author | Austinmurphy |
Data
Data compiled from Wikipedia. Note that the vertical axis (TB/cartridge) uses a Logarithmic scale.
For LTO, the capacity per cartridge CAGR has been about 25% per year between 2000 and 2025.
Code to generate image
#!/usr/bin/env python3
import matplotlib.pyplot as plt
# Capacity (TB) vs. Year available
SDLT_x = [ 1998, 2002, 2004, 2006 ]
SDLT_y = [ 0.11, 0.16, 0.3, 0.8]
SAIT_x = [ 2003, 2006 ]
SAIT_y = [ 0.5, 0.8]
T10K_x = [ 2006, 2008, 2011, 2013 ]
T10K_y = [ 0.5, 1, 5, 8.5 ]
I3592_x = [ 2003, 2005, 2008, 2011, 2014, 2017, 2018, 2023 ]
I3592_y = [ 0.3, 0.7, 1, 4, 10, 15, 20, 50]
LTO_x = [ 2000, 2003, 2005, 2007, 2010, 2012, 2016, 2018, 2021, 2025 ]
LTO_y = [ 0.1, 0.2, 0.4, 0.8, 1.5, 2.5, 6, 12, 18, 30]
# Axis labels
xax = [1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014, 2016, 2018, 2021, 2023, 2025]
yax = [0.1, 0.2, 0.3, 0.5, 1, 1.5, 2.5, 5, 10, 20, 30, 50, 100]
axbounds = [1997, 2026, 0.09, 110]
# MatPlotLib Figure with Axes
fig = plt.figure(figsize=(8.0, 4.0), layout='constrained')
fig.set_dpi(100)
ax = fig.add_subplot(facecolor='0.9')
# Axes
# subs=[] means no minor ticks
ax.semilogy(subs=[])
ax.axis(axbounds)
# (data, labels)
ax.set_xticks( xax, xax )
ax.set_yticks( yax, yax )
ax.grid(True, linestyle='dotted')
# Data
SAIT_line = plt.plot( SAIT_x, SAIT_y, 'cs-', markersize = 8, label = "Sony SAIT" )
SDLT_line = plt.plot( SDLT_x, SDLT_y, 'y^-', markersize = 8, label = "Quantum SDLT" )
T10K_line = plt.plot( T10K_x, T10K_y, 'r*-', markersize = 8, label = "Oracle T10K" )
I3592_line = plt.plot( I3592_x, I3592_y, 'bp-', markersize = 10, label = "IBM 3592" )
LTO_line = plt.plot( LTO_x, LTO_y, 'ko-', markersize = 10, label = "LTO" )
# Labels
ax.legend(loc = [ 0.04, 0.58 ])
ax.set_ylabel("TB per cartridge", fontsize=12, labelpad=8)
ax.set_xlabel("Year available", fontsize=12, labelpad=8)
fig.suptitle('Tape storage capacities, ' + str(min(xax)) + ' - ' + str(max(xax)), fontsize=16)
# Output
plt.savefig("tape-capacities-" + str(min(xax)) + "-" + str(max(xax)) + ".svg")
plt.show()
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 08:48, 5 July 2025 | 768 × 384 (57 KB) | Austinmurphy | Uploaded own work with UploadWizard |
File usage
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