MikroTik CRS804-4DDQ-hRM 400G Switch 4×QSFP56-DD, Dual 10G, RouterOS v7, 1U Rackmount

Ultra-High-Speed 400G Switching – 4× 400GbE QSFP56-DD ports delivering massive bandwidth for AI clusters, storage fabrics, and core aggregation

Flexible High-Speed Management Ports – 2× Ethernet ports supporting 10M / 100M / 1G / 10G connectivity

Powerful ARM64 Quad-Core CPU – AL52400 processor with 4 cores @ 2.0GHz for advanced switching and routing tasks

RouterOS v7 (License Level 6) – Full Layer-2 and Layer-3 capabilities with future-ready networking features

Wire-Speed Performance – Built on Marvell 98DX7335 switch chip for non-blocking, low-latency throughput

Enterprise-Grade Reliability – Dual hot-swap AC power inputs, robust cooling with dual fans, and ~200,000-hour MTBF

Compact 1U Rackmount Design – High-density performance with low power consumption in standard 19-inch racks

Comprehensive Monitoring – CPU, PCB, and voltage monitoring for proactive network management

The MikroTik CRS804-4DDQ-hRM is a compact yet extremely powerful 1U 400G Cloud Router Switch, purpose-built for AI compute clusters, high-performance storage fabrics, and next-generation aggregation networks. Featuring four 400GbE QSFP56-DD ports, this switch delivers ultra-high bandwidth and wire-speed performance in environments where throughput and scalability are critical.

Powered by an ARM64 quad-core AL52400 CPU running at 2.0GHz and backed by 4GB of RAM, the CRS804 is optimized for advanced switching and routing using RouterOS v7 (License Level 6). The Marvell 98DX7335 switch chip ensures efficient packet handling with low latency and non-blocking throughput, making it ideal for modern data-center and ISP core deployments.

For management and integration flexibility, the device includes two Ethernet ports supporting speeds from 10 Mbps up to 10 Gigabit Ethernet. Designed for enterprise reliability, it features dual AC power inputs (100–240V), efficient dual-fan cooling, and extensive hardware monitoring including CPU temperature, PCB temperature, and voltage sensors.

With a maximum power consumption of just 123W, robust thermal design, and an estimated MTBF of 200,000 hours, the CRS804-4DDQ-hRM delivers future-proof 400G performance at an accessible price point—making it an exceptional choice for organizations building next-generation high-speed networks.

Technical Specifications 

General

  Product Code: CRS804-4DDQ-hRM

  Architecture: ARM 64-bit

  Operating System: RouterOS v7

  RouterOS License: Level 6

CPU & Memory

  CPU Model: AL52400

  CPU Cores / Threads: 4 / 4

  CPU Frequency: 2.0 GHz

  RAM: 4 GB

  Storage: 512 MB NAND

Switching

  Switch Chip: Marvell 98DX7335

  400G Ports: 4× QSFP56-DD

  Ethernet Ports: 2× (10M / 100M / 1G / 10G)

Power & Cooling

  AC Inputs: 2

  Input Voltage: 100–240V AC

  Frequency: 50–60 Hz

  Max Power Consumption: 123 W

  Max Power (No Attachments): 92 W

  Cooling: 2× Fans

Environmental

  Operating Temperature: -10°C to +60°C

  MTBF: ~200,000 hours @ 25°C

  IP Rating: IP20

Monitoring & Interfaces

  Serial Console: RJ45

  CPU Temperature Monitor: Yes

  PCB Temperature Monitor: Yes

  Voltage Monitor: Yes

Certifications

  CE, EAC, RoHS