IBM Black Watch Magstar Tape Cartridge
Item No.
Mfg Part No.
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Product Information for IBM Black Watch Magstar Tape Cartridge

Highlights for IBM Black Watch Magstar Tape Cartridge

  • Tape Technology:3590E
  • Storage Capacity:20GB (Native)/60GB (Compressed)

Marketing Information

See for yourself why enterprise class data centers worldwide choose Imation Black Watch 3590E Tape Cartridge for maximum reliability between drive and media. Proven quality, reliability and performance, just what you need to manage, store and secure your valuable data.

General Information

  • Manufacturer: IBM Corporation
  • Manufacturer Part Number: 05H3188
  • Product Line: Black Watch
  • Product Name: Black Watch Magstar Tape Cartridge
  • Manufacturer Website Address:
  • Product Type: Data Cartridge
  • Packaged Quantity: 1
  • Brand Name: IBM

Technical Information

  • Tape Technology: 3590E
  • Storage Capacity: 20GB (Native)/60GB (Compressed)
  • Tape Length: 2070 ft
  • Recording Method: Linear Serpentine
  • Drive Support: 3590E

Environmental Conditions

  • Temperature: 15 °C (59.0 °F) to 32 °C (89.6 °F) Operating
  • Humidity: 20 to 80% Relative Humidity Operating

Physical Characteristics

  • Color: Black


Additional Information

  • Leader Block Loading/Unloading: Minimum of 5000 load/unloads
  • Cartridge Drop Test: Suitable for single use after drop of up to 39.4 inches (1m)
  • Intrinsic Coercivity (Hc): 1625 Oersteds (129.3 kA/m) +- 75 Oe using VSM with time constant of 0.3 seconds
  • Transportation Conditions (10 days maximum): -10°F to 120°F (-23°C to 49°C) 5% RH to 80% RH80°F (27°C) wet bulb maximum with no condensa


  • Substrate: 0.56 mils nominal (14.2 microns)
  • Total: 0.63 mils nominal (16.0 microns)



  • Long Length: Test mode of 400 full file read-while-write passes
  • Short Length: Test mode of 120000+ read-forward passes


Analog Dropouts (25% Signal Remaining Threshold):

  • Signal Track: Less than one dropout for each 5 x 10^7 bits
  • Multi-Track: Coincident No more than 10



  • IBM 3590 H Drive
  • IBM 3590 E Drive
  • IBM 3590 B Drive