QNAP - Need an affordable high-bandwidth switch for workplaces? Try the very nice 6-port QSW-2104 series that features both 2.5GbE and 10GbE connectivity. Easily and flexibly upgrade your workplace or home network
WHY YOU could NEED a SWITCH, too! -- QNAP QSW-2104-2S - YouTube
QNAP QSW-2104-2T-A Review a 4x 2.5GbE 2x 10Gbase-T Switch Option
QNAP QSW-2104-2T -Review- The Best Home Ethernet Switch -10GbE & 2.5GbE LAN- 6x RJ45 network ports - YouTube