MikroTik CRS310-1G-5S-4S+IN 10G Fibre Switch ROS v7
The MikroTik CRS310-1G-5S-4S+IN is a 1U rack-mount fibre switch — Marvell 98DX226S dual-core ARM 32bit switch chip at 800 MHz (CPU + switch ASIC combined), 256 MB RAM, 16 MB FLASH, RouterOS v7 / SwitchOS dual boot, License 5, 5× SFP (1G), 4× SFP+ (10G), 1× GbE (direct switch chip connection), RJ45 serial console, 2× DC inputs (DC jack 18–57V + 802.3af/at PoE-in 18–57V), 1 fan, 20W max / 8W without attachments, CPU + PCB + voltage monitors, IP20, -40°C to +70°C, MTBF ~200,000 hours at 25°C. CE, EAC, RoHS — no FCC, no IC. Includes K-48 fastening set, rack ears, 24V 1.2A adapter. USD 199.00.
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The MikroTik CRS310-1G-5S-4S+IN is the indoor rack-mount variant of the netFiber 9 — a fibre switch used by small and medium ISPs for 10 Gigabit connections exceeding 100 metres, at USD 199.00. MikroTik's explicit upgrade path: direct replacement for CRS212 deployments, with a modern ARM v7 CPU, 256 MB RAM, and hardware-offloaded switching.
**98DX226S — CPU and switch ASIC in one chip**
The Marvell 98DX226S is both the management CPU (dual-core ARM 32bit, 800 MHz) and the switch chip in a single silicon package. Hardware-offloaded VLAN filtering (802.1Q) and partial Layer 3 routing run in the switch chip without ARM CPU involvement — keeping latency low and CPU headroom available for RouterOS control plane tasks.
**5× SFP + 4× SFP+ — fibre beyond 100 metres**
Five 1G SFP ports and four 10G SFP+ ports cover both legacy 1G fibre infrastructure and current 10G uplinks in a single device. The GbE copper port connects directly to the switch chip for full wire-speed throughput. SFP and SFP+ ports accept MikroTik or third-party transceivers — directly compatible with the XQ+85MP01D SR4 for 100m multimode runs.
**RouterOS v7 + SwitchOS — dual boot**
Operate as a full RouterOS v7 router (scripting, BGP, OSPF, firewall, VLAN, WireGuard) or as a lightweight SwitchOS managed switch — switch between modes without hardware changes.
**Canadian market note:** CE, EAC, RoHS only — no FCC, no IC (ISED). Wired switch, no wireless transmitter. Confirm CSA/cUL electrical safety with distributor before listing.
**5-year software support guarantee:** RouterOS and SwitchOS updates free for minimum 5 years from purchase.
