The MikroTik CRS309-1G-8S+IN is a high-density, ultra-compact desktop network switch designed for demanding high-speed network routing and switching environments. Featuring eight 10G SFP+ ports, it provides rapid fiber connectivity across enterprise setups, high-bandwidth networks, and server racks.
Constructed with a sleek metallic housing that doubles as a high-efficiency heatsink, the CRS309-1G-8S+IN ensures completely silent, fanless passive cooling. The switch incorporates Dual Boot technology, granting administrators the choice to operate under the lightweight, switch-focused SwOS or the full-featured RouterOS (Level 5 license) for advanced Layer 3 routing and network control.
Comprehensive Key Features
High-Density 10G SFP+ Connectivity: Equipped with 8x 10 Gbps SFP+ module slots supporting up to 162 Gbps total switching capacity and 81 Gbps non-blocking throughput.
Dual Boot Operating System Capability: Flexible boot selection between simplified SwOS for pure Layer 2 switching or RouterOS v7 (Level 5) for advanced routing and network management.
Silent & Dust-Free Passive Cooling: Rugged metal chassis functions as a built-in heatsink, eliminating fan noise and preventing dust accumulation.
Versatile Power Input Options: Features dual power inputs via a standard DC Jack and 802.3af/at Passive PoE-in on Port 1 for seamless power failover.
Dedicated Management Port: Includes 1x Gigabit Ethernet (10/100/1000 Mbps) RJ45 port for easy out-of-band management and direct configuration.
Flexible Mounting Design: Compact desktop footprint with included rackmount ears for seamless installation into standard 19-inch network racks.
Extended Technical Specifications
1. Hardware & Physical Parameters
Model / SKU: CRS309-1G-8S+IN
Dimensions: 0.272 m × 0.191 m × 0.044 m (272 × 191 × 44 mm)
Weight: 1.620 kg
CPU: Dual-Core 98DX8208 @ 800 MHz
RAM: 512 MB
Storage: 16 MB Flash
Enclosure Material: Heavy-duty Metallic Chassis (Passively Cooled)
Mounting Options: Desktop or 19-inch Rackmount (Ears Included)
2. Wireless, Networking & Performance Parameters
SFP+ Ports: 8× 10 Gbps SFP+ Ports
Ethernet Ports: 1× 10/100/1000 Mbps RJ45 Management Port
Serial Interface: 1× RS232 Console Port
Switching Capacity: 162 Gbps
Non-Blocking Throughput: 81 Gbps
Operating System: Dual Boot (SwOS / RouterOS License Level 5)
3. Electrical & Environmental Parameters
Power Method: DC Power Jack (12 – 57V DC) or PoE-in (18 – 57V DC, 802.3af/at)
Power Supply: 24V DC / 1.2A Adapter Included
Max Power Consumption: 23 W (17 W without attachments)
Cooling Type: Passive / Fanless
Operating Temperature: -40°C to 70°C (-40°F to 158°F)