MikroTik CRS305-1G-4S+IN 5-Port Switch (1x Gigabit, 4x 10G SFP+)
Brand: MikroTik | Category: Network Switches
SKU: MT-CRS305-1G-4S+IN | Part #: CRS305-1G-4S+IN | MPN: CRS305-1G-4S+IN
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About the MikroTik CRS305-1G-4S+IN 5-Port Switch (1x Gigabit, 4x 10G SFP+)
The MikroTik CRS305-1G-4S+IN 5-Port Switch (1x Gigabit, 4x 10G SFP+) from MikroTik is enterprise-grade Network Switches hardware built for data centers. It features Indoor / Desktop form factor, Ethernet / SFP+ / SFP28 / QSFP28 interface, 10GbE speed. The MikroTik CRS305-1G-4S+IN is a compact Cloud Router Switch built around a 98DX3236 switch chip paired with a 800 MHz dual-core ARM Cortex-A9 CPU and 512 MB of DDR3 RAM. It delivers four 10 Gigabit SFP+ ports alongside one standard Gigabit Ethernet RJ45 port in a desktop or 1U-rackmountable form factor, providing high-density 10G fiber connectivity within a power envelope of 12 W maximum. The device ships with MikroTik RouterOS (Level 5 license), enabling it to operate in p Available in brand new condition. MikroTik network switches products are trusted by enterprises and data centers worldwide. Available from Omnixon Global. Contact our sales team to request a quote.
Technical Specifications
| Brand | MikroTik |
| Category | Network Switches |
| SKU | MT-CRS305-1G-4S+IN |
| Part Number | CRS305-1G-4S+IN |
| Condition | New |
| Form Factor | Indoor / Desktop |
| Interface | Ethernet / SFP+ / SFP28 / QSFP28 |
| Speed | 10GbE |
| Manufacturer Part Number | CRS305-1G-4S+IN |
| Switch Chip | Marvell 98DX3236 |
| CPU | 800 MHz dual-core ARM Cortex-A9 |
| RAM | 512 MB DDR3 |
| Storage (NAND Flash) | 16 MB |
| 10G SFP+ Ports | 4 × SFP+ (supports 10G / 1G modules) |
| Gigabit Ethernet Ports | 1 × RJ45 (supports 802.3af/at PoE input) |
| Console Port | 1 × RJ45 serial (RS-232) |
| PoE Input | 802.3af / 802.3at on RJ45 port |
| DC Power Input | 12–57 V DC (jack connector) |
| Maximum Power Consumption | 12 W |
| Cooling | Passive fanless |
| Operating System | RouterOS (Level 5 license) with SwOS switchable |
| Switching Capacity | 88 Gbps |
| Dimensions (W × D × H) | 113 × 89 × 28 mm |
| Operating Temperature | −20 °C to +60 °C |
| Operating Humidity | 10 %–90 % RH (non-condensing) |
| Layer 2 Features | 802.1Q VLAN, 802.3ad LACP, RSTP/MSTP, MAC table, port mirroring |
| Layer 3 / Routing Features | Static routes, OSPF, BGP, MPLS, IPsec VPN, firewall, QoS |
| Management Interfaces | Winbox, WebFig, SSH, Telnet, SNMP v1/v2c/v3, REST API |
Frequently Asked Questions about MikroTik CRS305-1G-4S+IN 5-Port Switch (1x Gigabit, 4x 10G SFP+)
What does the MikroTik CRS305-1G-4S+IN 5-Port Switch (1x Gigabit, 4x 10G SFP+) do?
The MikroTik CRS305-1G-4S+IN 5-Port Switch (1x Gigabit, 4x 10G SFP+) is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Juniper/Arista environments.
What are the headline specs of the MikroTik CRS305-1G-4S+IN 5-Port Switch (1x Gigabit, 4x 10G SFP+)?
Key specifications for the MikroTik CRS305-1G-4S+IN 5-Port Switch (1x Gigabit, 4x 10G SFP+): form factor Indoor / Desktop; interface Ethernet / SFP+ / SFP28 / QSFP28; 1 year support; new condition. Manufacturer part number CRS305-1G-4S+IN. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.
Is the MikroTik CRS305-1G-4S+IN 5-Port Switch (1x Gigabit, 4x 10G SFP+) compatible with my infrastructure?
The MikroTik CRS305-1G-4S+IN 5-Port Switch (1x Gigabit, 4x 10G SFP+) interoperates with standard switching protocols (LACP, MLAG/VPC, 802.1Q, OSPF/BGP). For specific cross-vendor scenarios — Cisco-to-Arista MLAG peering, fabric integration with Cumulus/SONiC, or migration from legacy Catalyst — our network engineers map a compatibility plan as part of the RFQ.