Why Choose MikroTik CRS812 DDQ?
MikroTik CRS812 DDQ is built for organizations that need to scale beyond traditional 10G networking without replacing their entire infrastructure. Combining eight 50G SFP56 ports, two 200G QSFP56 ports, and two 400G QSFP-DD ports, it offers a flexible migration path from existing networks to ultra-high-speed architectures. Powered by a Marvell switch chip, a quad-core ARM CPU, and RouterOS v7, the CRS812 DDQ provides advanced switching, routing, and traffic management capabilities in a reliable, energy-efficient platform.

Core Features & Benefits of MikroTik CRS812 DDQ
High-Density Multi-Speed Connectivity
MikroTik CRS812 DDQ combines multiple high-speed interfaces in a single device, making it ideal for aggregation, core switching, and modern data center deployments.
Port Configuration
- 8x 50G SFP56 ports
- 2x 200G QSFP56 ports
- 2x 400G QSFP-DD ports
- 2x 10M/100M/1G/10G Ethernet ports
This diverse port selection allows seamless integration of legacy and next-generation network devices.
Flexible Network Expansion
The QSFP56 and QSFP-DD interfaces support breakout modes to lower-speed connections including:
This enables gradual infrastructure upgrades without replacing existing equipment, making MikroTik CRS812 DDQ a future-ready networking solution.
Enterprise-Class Switching Performance
At the heart of the switch is the Marvell 98DX7335 switching chip, delivering advanced traffic handling and wire-speed performance across all interfaces.
The hardware platform includes:
- Quad-Core AL52400 2 GHz ARM CPU
- 4 GB DDR4 RAM
- 512 MB NAND Storage
This combination provides the processing power required for demanding enterprise and data center workloads.
RouterOS v7 Management Platform
MikroTik CRS812 DDQ runs RouterOS v7 with License Level 6, offering a powerful management environment trusted by millions of MikroTik deployments worldwide.
Benefits include:
- Advanced switching capabilities
- Routing functionality
- Traffic management
- Centralized administration
- Flexible network configuration
High Availability & Reliability
Designed for continuous operation, MikroTik CRS812 DDQ features:
- Dual-redundant hot-swap power supplies
- Four hot-swap cooling fans
- Efficient thermal management
- Enterprise-grade reliability
These features help minimize downtime and simplify maintenance procedures.
Cost-Effective 400G Networking
MikroTik CRS812 DDQ enables organizations to deploy 50G, 200G, and 400G networking without the high costs traditionally associated with ultra-high-speed infrastructure, making it suitable for growing businesses and enterprise environments.

Key Features & Highlights
- 8x 50G SFP56 ports
- 2x 200G QSFP56 ports
- 2x 400G QSFP-DD ports
- 2x 10G Ethernet management/uplink ports
- Marvell 98DX7335 switch chip
- Quad-Core 2 GHz ARM CPU
- 4 GB DDR4 RAM
- 512 MB NAND storage
- RouterOS v7 License Level 6
- Breakout support on QSFP56 and QSFP-DD ports
- Dual-redundant hot-swap power supplies
- Four hot-swap cooling fans
- Compact 1U rackmount form factor
- Supports migration from 10G to 400G networks
- Designed for enterprise, AI, and data center deployments
Hardware Overview
Processing
- CPU: Quad-Core AL52400
- CPU Speed: 2 GHz
- Architecture: ARM 64-bit
Memory
- RAM: 4 GB DDR4
- Storage: 512 MB NAND
Network Interfaces
- 2x 10M/100M/1G/10G Ethernet Ports
- 8x 50G SFP56 Ports
- 2x 200G QSFP56 Ports
- 2x 400G QSFP56-DD Ports
Physical
- Dimensions: 443 × 268 × 44 mm
- Rackmount Design
Environmental
- Operating Temperature: -10°C to +50°C
Power
- Dual AC Inputs
- Input Range: 100–240V AC
- Maximum Power Consumption: 134W
- Power Consumption Without Attachments: 81W
Software & Ecosystem
MikroTik CRS812 DDQ runs MikroTik RouterOS v7 with License Level 6, providing advanced Layer 2 and Layer 3 networking capabilities along with traffic management, routing, and network administration tools within the MikroTik ecosystem.
Ideal Use Cases
AI & GPU Clusters
Provides high-bandwidth east-west traffic connectivity for AI training and compute workloads.
Data Center Aggregation
Functions as a high-performance aggregation layer for modern data center environments.
Top-of-Rack & Leaf Switching
Supports high-speed uplinks to spine switches using 200G and 400G interfaces.
Campus Core Networking
Bridges legacy 10G infrastructure with modern 50G, 200G, and 400G networks.
Service Provider Networks
Suitable as an aggregation node in ISP and carrier environments.
Media & Content Production
Supports storage-heavy workflows requiring rapid data movement between systems.
FAQs
1. How many 400G ports does the MikroTik CRS812 DDQ have?
The switch includes 2x 400G QSFP-DD ports.
2. Can the high-speed ports be broken out into lower-speed connections?
Yes. QSFP56 and QSFP-DD ports support breakout modes down to 1G, 2.5G, 5G, 10G, 25G, and 50G.
3. Which operating system does the switch run?
It runs MikroTik RouterOS v7 with License Level 6.
4. Is the power supply redundant?
Yes. The CRS812 DDQ includes dual-redundant hot-swap power supplies.
5. What environments is the MikroTik CRS812 DDQ designed for?
It is designed for AI clusters, service provider aggregation, campus core networking, storage fabrics, media workflows, and enterprise data centers.