Imagine a MikroTik CRS309-1G-8S+IN powering your network at maximum speed, with no bottlenecks, latency, or performance drops. Now, picture this compact, powerful, and flexible switch, designed to meet the high-performance demands of ISPs, businesses, and advanced home networks.
This is the MikroTik CRS309-1G-8S+IN, a high-capacity managed switch designed for those who demand professional performance without breaking the bank.
If you’re looking for a Gigabit switch with fiber optic support, advanced management features, and MikroTik’s reliability, keep reading. Let’s explore why this model could be the best choice for your network setup.

What is the MikroTik CRS309-1G-8S+IN?
The CRS309-1G-8S+IN is a managed switch with 8 SFP+ 10Gbps ports and 1 Gigabit Ethernet RJ45 port, designed to provide ultra-fast speeds, stability, and total control over network traffic.
It is perfect for Internet Service Providers (ISPs), businesses handling large data volumes, and advanced users, allowing for high-speed, scalable connections without the bottlenecks of traditional switches.
Another great advantage is its dual operating system option:
- RouterOS – For advanced configurations, including routing, firewall, VLANs, and VPN.
- SwitchOS – For those who need a simpler interface dedicated to high-performance switching.
This flexibility allows you to tailor the CRS309 exactly to your needs.
MikroTik CRS309-1G-8S+IN Technical Specifications
What makes the CRS309-1G-8S+IN so powerful? Let’s check out its technical specs:
🔹 Connectivity & Ports
- 8 SFP+ ports (10Gbps) – Supports fiber optic connections, ensuring high bandwidth and low latency.
- 1 Gigabit Ethernet RJ45 port – Ideal for management or connecting to a main router.
🔹 Processing & Memory
- ARM CPU (800 MHz) – Excellent performance for traffic management and processing rules.
- 128 MB RAM + 16 MB Flash – Sufficient memory for handling advanced configurations.
🔹 Performance & Capacity
- 16 Gbps switching capacity – Prevents bottlenecks, ensuring maximum traffic efficiency.
- Up to 10 Gbps transfer rate between SFP+ ports – Perfect for data centers, ISPs, and corporate networks.
- Low power consumption (max 10W) – Energy efficiency without sacrificing performance.
With these specs, the MikroTik CRS309-1G-8S+IN stands out as a high-performance, cost-effective solution.
Why Choose the CRS309-1G-8S+IN?
Ultra-Fast SFP+ Fiber Connections
If you work with large-scale data transfers, streaming, servers, or high-demand networking, the 8 SFP+ 10Gbps ports deliver low latency, increased stability, and scalability.
Advanced Configuration with RouterOS & SwitchOS
The ability to switch between RouterOS and SwitchOS provides complete network control, whether for advanced setups or a simple Layer 2 switch operation.
Perfect for ISPs, Businesses & Home Labs
Whether you’re an ISP starting operations, an office needing a reliable network, or a tech enthusiast setting up a home lab, the CRS309 offers professional-grade performance with ease.
Energy-Efficient Performance
With just 10W of power consumption, this switch is extremely efficient, reducing operational costs while maintaining high performance.
How to Buy the MikroTik CRS309-1G-8S+IN on AliExpress – Safely & at the Best Price
If you want to purchase the MikroTik CRS309-1G-8S+IN safely and with the best value for money, AliExpress is your best choice.
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Don’t miss out on the opportunity to upgrade your network with a professional-grade switch at an affordable price.
Conclusion: A Smart Investment for High-Performance Networking
The MikroTik CRS309-1G-8S+IN is a powerful solution for those who need high-speed connectivity, reliability, and full control over their network.
With 8 SFP+ 10Gbps ports, an efficient CPU, and support for both RouterOS & SwitchOS, it’s the ideal choice for ISPs, businesses, and advanced users looking for a robust, scalable, and budget-friendly switch.
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Upgrade your network to the next level with the MikroTik CRS309-1G-8S+IN – powerful performance, seamless connectivity, and ultimate reliability for your business or home network. 🔥 Buy now on AliExpress!