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MK-CRS305 1G 4S+OUT

MikroTik FiberBox Plus 4 SFP+ Outdoor Switch

MikroTik - MikroTik FiberBox Plus 4 SFP+ Outdoor Switch, CRS305-1G-4S+OUT, RouterOS License L5, 1 Core CPU, 256MB RAM, 16 MB storage size, 1x Gigabit Ethernet Port, 4x 10Gbps SFP+ Ports
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Specials
Prices, images and descriptions are for reference purposes only & may change without prior notice. PLEASE RELY ON ABOVE DESCRIPTIONS AND NOT ON IMAGES. MK-CRS305 1G 4S+OUT MikroTik FiberBox Plus 4 SFP+ Outdoor Switch is available from Laptop Direct and it is sold as new from our Network: Switch range of products. For reference purposes, the price of R4095 is valid 2026-11-02, and while stocks last, may be valid until . The price displayed is a guide for reference purposes only, and may change without prior notice. Reference prices are an invitation for potential buyers to make an offer to purchase, which we may reject without reason. A quote with final pricing is sent before a purchase can be made. T&C's apply. E&OE. Laptop Direct. You are looking at products found in the Network: Switch category.
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Specification for the entire series

Important information: Kindly note that specifications differ between models. Features, options and accessories displayed below this paragraph are not included with this product unless it has been specified in the above description.


Please remember these important points when reading the information below this paragraph: Operating systems cannot be removed or changed, monitors are not included with computers, free Anti-virus and Office Software are trial versions or may have limited features and an additional license needs to be purchased to activate the full product.

MK-CRS305 1G 4S+OUT

MikroTik FiberBox Plus 4 SFP+ Outdoor Switch

MikroTik FiberBox Plus 4 SFP+ Outdoor Switch, CRS305-1G-4S+OUT, RouterOS License L5, 1 Core CPU, 256MB RAM, 16 MB storage size, 1x Gigabit Ethernet Port, 4x 10Gbps SFP+ Ports

Overview Summary:

The MikroTik FiberBox Plus 4 SFP+ Outdoor Switch delivers high-speed 10Gbps fibre connectivity in a rugged IP66 enclosure designed for demanding outdoor network installations. With four SFP+ ports, a Gigabit Ethernet port and flexible PoE or DC power options, it provides a practical solution for expanding high-performance networks.

Built for temperatures from -40degrees C to 70degrees C, the FiberBox Plus supports SwOS or RouterOS Level 5 and pole mounting for flexible deployment. Buy now for reliable outdoor 10Gbps networking, or shop now to upgrade your fibre infrastructure.

What tier does this fall into?

Professional

What is this best for?

Outdoor fibre networking, 10Gbps network expansion, ISP infrastructure, security networks, industrial networking, wireless network backhaul

Overview:

MikroTik FiberBox Plus 4 SFP+ Outdoor Switch - RBCRS305-1G-4S+OUT
MikroTik's FiberBox Plus is a rugged IP66 outdoor switch designed for reliable high-speed fibre connectivity in demanding outdoor environments. It provides four 10Gbps SFP+ ports for high-bandwidth fibre links, along with a Gigabit Ethernet port for management or PoE input. The switch also supports flexible power options through a DC jack and 2-pin terminal connection, making it suitable for a range of outdoor networking installations.

Description:

The MikroTik FiberBox Plus 4 SFP+ Outdoor Switch is built for network deployments where fast fibre connectivity and durable outdoor protection are important. With four 10Gbps SFP+ ports, it can provide high-speed uplinks between network equipment, buildings, cameras, access points and other infrastructure.

Its IP66-rated enclosure helps protect the switch against dust and water, making the FiberBox Plus well suited to outdoor installations. The additional Gigabit Ethernet port can be used for management or PoE input, while the DC jack and 2-pin terminal provide alternative power connection methods.

Powered by RouterOS with a Level 5 license, the switch offers MikroTik's familiar networking management environment in a compact outdoor-ready design. The 1-core CPU and 256MB of RAM provide the hardware resources required for its intended switching and management functions.

Features:

MikroTik FiberBox Plus Outdoor Networking
The FiberBox Plus is particularly useful where standard indoor network switches are not suitable. Its rugged construction and fibre-focused design make it a practical option for extending high-speed network connections between locations while keeping active network hardware protected outdoors.

Four SFP+ interfaces support 10Gbps connectivity, allowing the switch to handle high-speed fibre links without relying on conventional copper connections for the main network paths. The Gigabit Ethernet port provides a convenient connection for management or power input depending on the installation requirements.

Key Technical Details

  • 4x 10Gbps SFP+ ports for high-speed fibre networking
  • 1x Gigabit Ethernet port for management or PoE input
  • IP66-rated enclosure for outdoor installations
  • RouterOS with Level 5 license
  • 1-core CPU
  • 256MB RAM
  • 16MB storage
  • DC jack power connection
  • 2-pin terminal power connection
  • Designed for demanding outdoor network deployments

Flexible Power Options
Power installation can be adapted to suit different network environments. The MikroTik FiberBox Plus includes both a DC jack and a 2-pin terminal connection, providing additional flexibility when installing the switch in locations where conventional power arrangements may not be practical.

The Gigabit Ethernet connection can also accept PoE input, giving network installers another option for powering the device while maintaining a simple cabling arrangement.

10Gbps SFP+ Fibre Connectivity
With four 10Gbps SFP+ ports, the FiberBox Plus is designed for high-speed fibre network connections. These ports are suitable for applications requiring fast links between network switches, buildings, server environments and other compatible fibre equipment.

This makes the switch a useful choice for outdoor network extensions where bandwidth and reliable fibre connectivity are key requirements.

Outdoor Network Applications
The MikroTik FiberBox Plus can be used in a variety of outdoor networking scenarios, including building-to-building fibre links, industrial networks, surveillance infrastructure, wireless network deployments and other installations where network equipment needs to be positioned outside.

Its compact design and multiple power options also make it easier to integrate into existing network infrastructure.

Part Number / SKU
The part number for this MikroTik FiberBox Plus outdoor switch is RBCRS305-1G-4S+OUT.


Specifications:

© 2026 Respective owners and brand holders. This table has been carefully researched and generated by Laptop Direct CC (https://www.laptopdirect.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specificationsspacer
Product CodeMK-CRS305 1G 4S+OUTspacer
Ethernet Ports 1x 10/100/1000
Hardware Button Reset
Max. Power Consumption 7W
Mounting Pole Mount
Operating System Dual Boot - SwOS or RouterOS (Level 5 Licence)
Operating Temperature -40degreesC to 70degreesC
PoE Input 802.3af/at
PoE Output None
Power Input 802.3af/at PoE, 24-57V DC Jack or 2 Pin Terminal
Processor 2 Core 800MHz 98DX226S ARM 32bit
Serial Interface 1x RJ45 Serial Port
SFP Ports 4x 10Gbps
Supported Voltage Range 24-57V
System Memory 256MB
USB Ports None
Dimensions 141 x 115 x 28mm


Download: pdf_downloads/2_7/273380_PDF1.pdf (2213280 MB)

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