Navionics chip for Lowrance Elite 7 ti

[Fishscale]

I'm looking to add the chip for north east area, can someone help with which chip I need and perhaps best place to get from cost wise. Any links would be appreciated as well

 

[Capt Richie]

gps store is pretty good..

 

[Fishscale]

Also if anyone is familiar with the platinum card

 

[flounderbound]

You can get the card on the Navionics web site