Performance in Bridging mode

Hi guys, Want to use Firewalla solely in bridging mode, between a router and a switch and obviously I want to save $$$ buying only what is necessary. All my current equipment is 1Gb and I'm using a number of VLANs between the router and the switch (over a trunk port) so based on that - should I go with Purple (since it is 1Gb) or Purple SE would also work? I noticed Purple SE is rated for 500Mb only but do you reckon it could do 1Gb in bridge mode or the whole Lan performance will be limited? Thank you

P.S. I am only worried about inter-vlan routing since my internet is 100Mb anyway. And the main reason to use Firewalla - parent control, traffic accounting, visualisation etc