Amazon.com: TP-Link TL-SM5310-T | 10GBase-T RJ45 SFP+ Module | 10G Copper SFP+ Transceiver | SFP+ to Ethernet | Plug and Play | Hot Pluggable | Up to 30m distance| Durable Metal Casing
Amazon.com: Add-On MA-SFP-10GB-T-AO 30 m Compatible TAA 100 1000 & 10000Base-TX SFP Plus Transceiver for Cisco Meraki MA-SFP-10GB-T - Copper & RJ-45 : Electronics
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SFP+ 10GBASE-T Rame RJ-45 30m Modulo Transceiver Ottico per FS Switch - FS.com Italia