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Mentioned-only character
Biography and appearance
RaceSynth, 3rd Gen
AffiliationThe Institute
RoleCourser (presumed)
LocationThe Institute SRB
Mentioned inFallout 4

X4-72 was a synth at the Institute at or prior to 2287.


X4-72 was sent for maintenance by Justin Ayo due to an issue with blurred vision in its right eye. The problem couldn't be resolved without permanent damage, so X4-72 was wiped and assigned to the Facilities division instead.[1]


X4-72 is mentioned only in Fallout 4.


Institute flag.png
Fo4 Institute Seal.png