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Template:Infobox storage medium/testcases

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{{Infobox storage medium}}{{Infobox storage medium/sandbox}}
Compact Cassette
A TDK SA90 Type II Compact Cassette
Media typeMagnetic tape cassette
EncodingAnalog signal, in four tracks
CapacityMost commonly 30, 45, and 60 minutes per side (C60, C90, and C120)[1]
Read mechanismTape head
Write mechanismTape head
Developed byPhilips
UsageAudio and data storage (replaced by CD)
Extended fromReel-to-reel audio tape recording
Extended toDigital Compact Cassette
Compact Cassette
A TDK SA90 Type II Compact Cassette
Media typeMagnetic tape cassette
EncodingAnalog signal, in four tracks
CapacityMost commonly 30, 45, and 60 minutes per side (C60, C90, and C120)[1]
Read mechanismTape head
Write mechanismTape head
Developed byPhilips
Extended fromReel-to-reel audio tape recording
Extended toDigital Compact Cassette
Side by side comparison
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Secure Digital
(SD, SDHC, SDXC, SDUC)
From top to bottom: SD, miniSD, microSD
Media typeMemory card
Capacity
  • SD: Up to 2 GB
  • SDHC: over 2 GB to 32 GB
  • SDXC: over 32 GB to 2 TB
  • SDUC: over 2 TB to 128 TB
Block sizeVariable
Read mechanism
  • Standard: 12.5 MB/s
  • High-speed: 25 MB/s
  • UHS-I: 50 MB/s or 104 MB/s
  • UHS-II: 156 MB/s full-duplex, or 312 MB/s half-duplex
  • UHS-III: 312 MB/s full-duplex, or 624 MB/s full-duplex
  • Express: ≥ 985 MB/s full-duplex
Write mechanismVariable
StandardSD Standard
Developed bySD Association
Dimensions
  • Standard:
  • 32.0×24.0×2.1 mm (1.260×0.945×0.083 in)
    1,612.8 mm3 (0.09842 in3)
  • Mini:
  • 21.5×20.0×1.4 mm (0.846×0.787×0.055 in)
    602 mm3 (0.0367 in3)
  • Micro:
  • 15.0×11.0×1.0 mm (0.591×0.433×0.039 in)
    165 mm3 (0.0101 in3)
Weight
  • Standard: ~2 g
  • Mini: ~800 mg
  • Micro: ~250 mg
UsagePortable devices, such as digital cameras and mobile phones (including most smartphones)
Extended fromMultiMediaCard
ReleasedAugust 1999
Secure Digital
(SD, SDHC, SDXC, SDUC)
From top to bottom: SD, miniSD, microSD
Media typeMemory card
Capacity
  • SD: Up to 2 GB
  • SDHC: over 2 GB to 32 GB
  • SDXC: over 32 GB to 2 TB
  • SDUC: over 2 TB to 128 TB
Block sizeVariable
Read mechanism
  • Standard: 12.5 MB/s
  • High-speed: 25 MB/s
  • UHS-I: 50 MB/s or 104 MB/s
  • UHS-II: 156 MB/s full-duplex, or 312 MB/s half-duplex
  • UHS-III: 312 MB/s full-duplex, or 624 MB/s full-duplex
  • Express: ≥ 985 MB/s full-duplex
Write mechanismVariable
StandardSD Standard
Developed bySD Association
Dimensions
  • Standard:
  • 32.0×24.0×2.1 mm (1.260×0.945×0.083 in)
    1,612.8 mm3 (0.09842 in3)
  • Mini:
  • 21.5×20.0×1.4 mm (0.846×0.787×0.055 in)
    602 mm3 (0.0367 in3)
  • Micro:
  • 15.0×11.0×1.0 mm (0.591×0.433×0.039 in)
    165 mm3 (0.0101 in3)
Weight
  • Standard: ~2 g
  • Mini: ~800 mg
  • Micro: ~250 mg
Extended fromMultiMediaCard


  1. ^ "Museum Of Obsolete Media". 19 November 2015. Archived from the original on 3 May 2016. Retrieved 29 April 2016.