Which Hardware should I use ?

Hello, 

iam sorry for asking, but every thread i have read was not up date. 

So I would like to ask if someone can recommend some low power consuption Hardware for a Sophos XG firewall. 

What are the requirement to the firewall? 

- Up to 6 Users surfing 

- Web filtering

- Email (IMAP / SMTP) filtering 

- establish a ppoe Connection ( 100 / 40 Mbit) 

- VPN ( Clients to Server - up to 2 Users at the same time)

- VPN ( Side to Side - one connection)

- VLANS

Thanks for helping 

Mario