This is a QNAP QSW-M408-4C 10GbE Layer 2 Managed Switch, with 4 x 10GbE SFP+/RJ45 Combo ports and 8 x Gigabit (GbE) ports. More info on the technical spec from the QNAP website "The QSW-M408-4C is a Layer 2 Web Managed Switch equipped with four 10GbE SFP+/RJ45 combo ports and eight Gigabit ports.
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