8-port 10-Gigabit/Multi-Gigabit Ethernet Unmanaged Switch with 1 SFP+ ports, Desktop and Rackmount 100M/1G/2. 5G/5G/10G RJ-45 copper ports 7 10G SFP+ ports 1 x 10G/1G SFP+ and Copper (combo) Datasheet (PDF) XS505M XS508M Datasheet Form Factor Desktop/Rackmount Packet buffer memory 128KB Bandwidth 100Gbps MAC Address database size 2 Kg Number of priority queues 8 Jumbo frame support Up to 9K packet size Fan(s) 1 Low-Noise Active Fan Jumbo frame support Up to 9K packets IEEE 802.