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Cubic Diodes: Drop sources, locations, and probabilities

Tips

There are many ways to get Cubic Diodes in Warframe, but my recommendation for optimal efficiency would be to try one of these missions (in this order):

  • Veil Proxima/Calabash : It's a Skirmish Extra mission (level 45-49). Probability to get it: 14.29%.
  • Veil Proxima/Numina : It's a Skirmish Extra mission (level 48-52). Probability to get it: 14.29%.
  • Veil Proxima/Arc Silver : It's a Skirmish Extra mission (level 51-55). Probability to get it: 14.29%.
  • Veil Proxima/Erato : It's a Skirmish Extra mission (level 54-58). Probability to get it: 14.29%.
  • Veil Proxima/Lu-Yan : It's a Skirmish Extra mission (level 55-59). Probability to get it: 14.29%.
These recommendations are based on the usual missions lengths, and the probability of getting the resource dropped.
Only mission rewards are listed here. Enemy drops are not taken into consideration, there might be more efficient options available in some cases.

Missions with a Chance to Get Cubic Diodes as a Reward

Planet / Mission Type Rotation QuantityProbability
Venus / Bifrost Echo Skirmish Extra 200 28.57
Pluto / Seven Sirens Skirmish Extra 200 28.57
Pluto / Obol Crossing Skirmish Extra 200 28.57
Pluto / Fenton's Field Skirmish Extra 200 28.57
Pluto / Profit Margin Skirmish Extra 200 28.57
Pluto / Peregrine Axis Skirmish Extra 200 28.57
Veil Proxima / Calabash Skirmish Extra 200 28.57
Veil Proxima / Numina Skirmish Extra 200 28.57
Veil Proxima / Arc Silver Skirmish Extra 200 28.57
Veil Proxima / Erato Skirmish Extra 200 28.57
Veil Proxima / Lu-Yan Skirmish Extra 200 28.57
Pluto / Khufu Envoy Skirmish Extra 200 28.57
Neptune / Brom Cluster Skirmish Extra 200 28.57
Venus / Beacon Shield Ring Skirmish Extra 200 28.57
Venus / Orvin-Haarc Skirmish Extra 200 28.57
Venus / Vesper Strait Skirmish Extra 200 28.57
Venus / Luckless Expanse Skirmish Extra 200 28.57
Venus / Falling Glory Skirmish Extra 200 28.57
Neptune / Arva Vector Skirmish Extra 200 28.57
Neptune / Nu-Gua Mines Skirmish Extra 200 28.57
Neptune / Enkidu Ice Drifts Skirmish Extra 200 28.57
Neptune / Mammon's Prospect Skirmish Extra 200 28.57
Neptune / Sovereign Grasp Skirmish Extra 200 28.57
Veil Proxima / Sabmir Cloud Skirmish Extra 200 28.57

Mobs Dropping Cubic Diodes

Cubic Diodes can be dropped by most ennemies in Warframe. You should probably consider this as your primary farm source.