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Specifications

COLDCARD Mk4#

COLDCARD Mk4's new features and specs

COLDCARD Q#

COLDCARD Q's new features and comparison with Mk4

  • Size: 120 x 75 x 22 mm (at thickest point)
  • Weight: 93g (without batteries)
  • Power: 75mA at 5 volts over USB, or 3xAAA batteries
  • Connectors: USB-C and 2x MicroSD slots
  • Unofficial Volumetric 3D models: STL, STEP.
  • Slide cover (unofficial) 3D models: STL, STEP.

COLDCARD Mk3#

Obsolete Versions#

  • Mk2 (had less memory than Mk3) circa 2019
  • Mk1 (had touch keypad) circa 2018