Common Items that contain megacyte you can buy

Upgraded 1MN Microwarpdrive I x2
Limited 1MN Microwarpdrive I x2
Salvage Drone I x4
Limited Explosive Deflection Field I x1
Experimental 10MN Microwarpdrive I
Small 'Knave' Energy Drain
FZ-3a Disruptive Spatial Destabilizer ECM
'Cetus' ECM Shockwave I
Mining Drone II
'Abandon' Tracking Disruptor I
BZ-5 Neutralizing Spatial Destabilizer ECM
Tracking Computer II
F-392 Baker Nunn Tracking Disruptor I
Ogre I
'Rash' ECM Emission I
Balmer Series Tracking Disruptor I
1Z-3 Subversive ECM Eruption
'Deluge' ECM Burst I
Garde I
CZ-4 Concussive Spatial Destabilizer ECM
Limited Adaptive Invulnerability Field I

Medium Supplemental Barrier Emitter I