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BarnColor 4xSFP-Flex - Barnfind Technologies
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Amazon.com: Industrial 8 Port Gigabit Ethernet Plus PoE Switch with 2x10G SFP+ and 4X 1G/2.5G/10G/Multi-gig SFP, 240W High Power, Support IEEE802.3af/at, Rack Mount Unmanaged Plug and Play Ethernet Switch : Electronics