All The Giga Class Chips:

Collecting chips is hard, but some are worth it. Especially the Giga Chips which are super strong, although you can't get some without a game link. Here are all the Giga Chips: *Des.= Description)

Blue Only:
FolrBak atk: 0 Des.: Restores all chips in folder
Bass+ atk: 550 Des.: Smashes Panels
DarkAura atk: 0 Des.: Repels attacks under 300
DeltaRay atk: 220 Des.: up to 3 attacks
AlphaArmy'Q' atk: 550 Des.:Launches a giant rocket

White Only:
NavRcycl atk: 0 Des.: Recalls last Navi used
Bass atk: 90 Des.: Chip explodes for 3 squares
Serenade atk: 100 Des.: holy power to front
AlphaArm'M'atk: 50 Des.: 3-stage electric attack

Both Versions:
To sum it all up.... All version 5 of Navi Chips are Giga Chips

Secret:
BassGS atk: 700 Des.: Bass's secret weapon (i got this chip, but i dont know how to use it)