3M™ Multi-Channel I/O Twin Axial Cable Assembly 8MS8 Series

  • 3M ID B5005311005
  • UPC 08887862437548

8M Series, x8 configuration

PCIe® (85 ohm) applications

Signal wire size 31 AWG

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Tech Data Sheet (PDF, 1MB)



  • 8M Series, x8 configuration
  • PCIe® (85 ohm) applications
  • Signal wire size 31 AWG
  • Signal wire size 30 AWG (contact your local 3M sales representative)
  • Thinner than other similar AWG twin axial cables
  • Thin ribbon cable construction allows easy routing in dense servers
  • Extremely tight bend radius facilitates custom foldable ribbon construction enables unique packaging configurations
  • Standard lengths of 0.5m, 0.75m and 1.0m
  • Custom lengths and folding available
  • See 3M.com/SDS for regulatory information

3M™ Multi-Channel I/O Twin Axial Cable Assembly is a family of cable assemblies including; x4 (38p), x8 (74p) connectors utilizing 3M™ Low Loss Twin Axial Cable 85 ohm, 31 AWG which is ideal for PCIe® applications.

3M™ Multi-Channel I/O Twin Axial Cable Assemblies are designed to support high density PCIe(R) applications and meet SFF-TA-1016 specifications. The thin, low profile Twin Ax cable allows for a wider range of routing options and supports extremely tight bend radii for each unique server configuration. Signal Integrity (SI) performance metrics are not degraded, even with multiple folds.

Typical properties


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Application High-speed Data Transmission
Characteristic Impedance 85 ohms
Connector Style (End A) Plug
Connector Style (End B) Plug
Connector Type (End A) ST
Connector Type (End B) ST
Factory ISO Certification No ISO Certification information available
Form Factor Multi-channel
Number of Cable Assembly Lanes x8
Number of Conductors 72
Overall Length (Imperial) 19.69 in, 29.53 in, 39.37 in
Overall Length (Metric) 0.5 m, 0.75 m, 1 m
Product Series 8MS8
Product Usage Backplane/Midplane, Board-to-board, Mid-board Cables
Protocol PCIe©
Standard Size 0.75 m,1.0 m,0.5 m
Tech Sheet Number TS-2722
Wire Gauge (Imperial) 31 AWG
eClass 14 Classification Group 19051003

 The technical information and data shown on this page should be considered representative or typical only and should not be used for specification purposes.

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