The MikroTik CRS309-1G-8S+IN provides eight 10G SFP+ ports for linking servers, network storage and network segments. A separate Gigabit Ethernet port adds another connection option. Its passive cooling design keeps fan noise out of offices and nearby workspaces.
Key specifications
- 8 × 10G SFP+ ports and 1 × 10/100/1000 Ethernet port.
- 162 Gbps switching capacity and 81 Gbps non-blocking throughput.
- Dual-core 800 MHz processor and 512 MB RAM.
- Dual boot between RouterOS and SwOS; RouterOS Level 5 licence.
- Power input through a 12–57 V DC jack or 802.3af/at PoE-IN at 18–57 V.
- Dimensions: 272 × 191 × 44 mm; IP20 protection rating.
Installation and connectivity
Suitable for desktop or rack installation. The manufacturer lists a 24 V / 1.2 A power adapter, rack ears and a K-37 fastening set as included parts. Choose SFP+ modules and cables to match the connected equipment. PoE-IN powers the switch itself; the switch does not supply PoE power to connected devices.
Warranty: 12 months.











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