The MikroTik CSS318-16G-2S+IN is a high-performance smart switch designed to provide reliable and efficient network connectivity for small and medium-sized businesses, enterprise environments, and professional network deployments. Equipped with 16 Gigabit Ethernet ports and 2 SFP+ ports supporting 10Gbps uplinks, this switch delivers excellent bandwidth capacity and flexible connectivity options for modern networks that require fast data transmission and stable performance. Powered by MikroTik’s SwOS operating system, the CSS318-16G-2S+IN offers an easy-to-use web-based management interface with essential Layer 2 switching features, including VLAN support, port isolation, port mirroring, link aggregation, bandwidth control, and traffic monitoring. Its two SFP+ ports enable high-speed fiber connections to servers, storage systems, backbone networks, or other switches, making it an ideal choice for expanding network infrastructure and handling increasing data demands. The fanless design ensures silent operation and improved reliability, making it suitable for offices, surveillance networks, laboratories, and other environments where low noise and stable operation are important. With a compact desktop form factor, low power consumption, and professional switching capabilities, the MikroTik CSS318-16G-2S+IN provides a cost-effective solution for users who need advanced network management functions without the complexity of traditional enterprise switches. As an original MikroTik network solution, it combines performance, flexibility, and affordability, making it a popular choice for system integrators, IT professionals, and network distributors worldwide.
CSS318-16G-2S+IN
Mikrotik
Original New
1 year
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Category | Parameter | Specification |
|---|---|---|
Basic Information | Model Name | CSS318-16G-2S+IN |
Brand | MikroTik | |
Product Series | CSS318 Series Managed Switch | |
Device Type | Layer 2 Managed Gigabit Ethernet Switch with 10G SFP+ Uplinks | |
Form Factor | 10-inch Compact Form Factor, 1U Rack-mountable (fits 10-inch/19-inch racks, 2 units per 1U 19-inch rack) | |
Target Application | Small/Medium Offices, Home Networks, SMB Network Deployments, Rackmount Environments | |
Port Configuration | 10/100/1000 Mbps RJ45 Ethernet Ports | 16 ports (auto-sensing, MDI-X compatible) |
SFP+ Uplink Ports | 2 x 10G SFP+ ports (backward compatible with 1G SFP/SFP+ transceivers) | |
Management Interface | Web-based GUI (SwOS) | |
Performance Specifications | Switching Capacity | 72 Gbps (Non-blocking) |
Forwarding Rate (64-byte packets) | 53.57 Mpps | |
MAC Address Table Size | 16,000 entries (16 K) | |
Switch Chip Model | Marvell 98DX2518 | |
Jumbo Frame Support | Up to 10,000 bytes | |
Layer 2 Throughput | 36 Gbps (Non-blocking) | |
Hardware & System | Operating System | SwOS (MikroTik Web-based Switch OS, free lifetime software updates) |
Storage | 16 MB FLASH | |
CPU Temperature Monitor | Yes | |
MTBF | Approximately 200,000 hours at 25°C | |
Cooling Type | Passive (Fanless, silent operation) | |
Power Supply | AC Input Range | 100–240V AC, 50–60 Hz |
Number of AC Inputs | 1 | |
Max Power Consumption (full load) | 13 W | |
Max Power Consumption (no attachments) | 10 W | |
Environmental & Physical | Operating Temperature Range | -40°C to +70°C |
Storage Temperature Range | -40°C to +70°C | |
Operating Humidity | 10%–90% non-condensing | |
IP Rating | IP20 (indoor installation only) | |
Dimensions (W × D × H) | 218 mm × 157 mm × 44 mm | |
Core Network Features | VLAN | IEEE 802.1Q compliant, port-based VLAN, up to 250 VLAN entries, VLAN filtering |
Link Aggregation | Static link aggregation groups, up to 16 groups, 8 member ports per group | |
Multicast Forwarding | IGMP Snooping v1/v2/v3, unknown multicast filtering | |
Traffic Management | Broadcast storm control, port-based traffic mirroring, ingress traffic limiting | |
Security | MAC filtering, port lock, DHCP & PPPoE snooping, access control list (ACL) with up to 32 rules | |
Forwarding | Port-to-port forwarding, adjustable MAC/IP header fields | |
Compliance & Certifications | Industry Standards | IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.1Q, IEEE 802.3ad |
Certifications | CE, EAC, RoHS | |
Included Accessories | Standard Accessories | IEC power cord, rackmount ears (for 10-inch/19-inch racks), screw set, rubber feet for desktop placement |
Warranty | 1-Year Manufacturer Limited Warranty |
Shenzhen Importgm Technology Co., Ltd.
Shenzhen Importgm Technology Co., Ltd. has been operating in the I T services market since 2010, focusing on the R&D, design and sales of core equipment and general accessories in the field of network communications, we are distributors and resellers of worldwide brands of communication equipment, general accessories and system solutions for global customers.We offer a wide range of products, including networking routers, switches, firewalls, servers, I P phones, video conferencing equipment, wireless A P, P D U and modules. We are located in Shenzhen with convenient transportation access. Over the years we have developed a team of highly skilled staff that delivers quality and effective solutions and services. Based on our rich experience, we can supply products with stable packages, reliable delivery, competitive prices and on-time support. Our products are exported to customers in such regions as the Middle East, Africa, America,Europe and Asia. We also welcome O E M and O D M orders.Whether selecting current products from our inventory or seeking engineering assistance for your project bid, you can consult our business staff at any time. Our service does not end when the invoice is printed but begins as soon as you have received your order. Any customers' business visit and negotiation is warmly welcomed. Let's work together and win-win.





A: The CSS318-16G-2S+IN is ideal for small and medium-sized networks, providing reliable Gigabit connectivity for offices, data centers, and enterprise network environments.
A: The CSS318-16G-2S+IN can be installed on a desktop or mounted in a standard rack using suitable accessories. Follow the user manual for proper setup and connection instructions.
A: Regular firmware updates are recommended for the CSS318-16G-2S+IN to improve performance, add features, and enhance network security. Check MikroTik's website for the latest versions.
A: Alternatives to the CSS318-16G-2S+IN include other MikroTik Cloud Smart Switch models, offering different port numbers and network management features.
A: For common issues, check power connections, verify Ethernet cable status, and review switch configuration settings. Refer to MikroTik support resources for detailed troubleshooting guidance.