Performance on HP with Mellanox Fiber Module

[blackmetal]

Hello,
We have following device :
HP DL360 G8p
2x E5-2660v1
RAM: 4x 8GB 12800
HDD: 2x 250GB SSD
1x Mellanox Fiber MNPA19-XTR Card
1x HPE Ethernet 10Gb 2-port 530FLR-SFP+ Adapter

I have a mikrotik ccr 1072 as my main router and i want to move some vlans from my customers to opnsense, so on opnsense i want to use this features :
1. Create VLAN
2. Firewall Rules
3. BGP (1 Session with only Default Route)
4. IPS

How can i know how much throught can i have on above device?
THank you.