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Mikrotik CRS804 DDQ Cloud Router Switch [CRS804-4DDQ-hRM]

Mikrotik CRS804 DDQ Cloud Router Switch [CRS804-4DDQ-hRM]

by MikroTik
SKU CRS804-4DDQ-hRM
Save 8% Save 8%
$1,295.00
$1,295.00 - $1,295.00
$1,295.00
$1,195.00
$1,195.00 - $1,195.00
$1,195.00
+$115.32 Tariff Surcharge added at checkout. i Due to current Section 301 import tariffs and related surcharges, a fee applies to this product. This fee will be added at checkout.

Pre-Order | New Orders Ship Early–Mid December 2026

Shipping dates are estimates and subject to the manufacturer’s schedule. For updates on an existing preorder, please contact our team.

Product Information

Overview

The MikroTik CRS804 DDQ Cloud Router Switch (CRS804-4DDQ-hRM) is a compact 400 Gigabit Ethernet switch designed for AI and GPU clusters, all-flash storage fabrics, high-speed aggregation, and next-generation network upgrades. Four QSFP-DD ports provide high-density connectivity at speeds up to 400 Gbps, while two Ethernet ports support 1G, 2.5G, 5G, and 10G connections.

A Marvell 98DX7335 switch chip delivers wire-speed switching across the ports, while a quad-core 2 GHz ARM processor, 4 GB of DDR4 RAM, and RouterOS v7 provide advanced traffic control, routing, switching, and network management. Flexible breakout support allows the CRS804 DDQ to connect with existing lower-speed SFP and QSFP equipment while supporting future upgrades to 200G and 400G.

Ideal Applications

  • Small to medium AI and GPU clusters
  • All-flash storage fabrics and high-speed storage uplinks
  • Compact spine, backbone, and aggregation networks
  • Small data centers, enterprise pods, and edge-computing installations
  • Research, scientific computing, and media-production environments
  • Network upgrades that retain existing SFP and QSFP equipment

Highlights

Key Features

Four 400G QSFP-DD Ports

Four QSFP-DD interfaces deliver high bandwidth density for AI clusters, storage fabrics, aggregation, and compact network backbones, with support for speeds up to 400 Gbps per port.

Wire-Speed Switching

The Marvell 98DX7335 switch chip supports full wire-speed switching, while the quad-core 2 GHz ARM processor and 4 GB of DDR4 RAM provide the resources needed for advanced traffic control and RouterOS management.

Flexible Breakout Connectivity

Each QSFP-DD port is built from eight independent data lanes and supports breakout configurations for connecting devices at lower speeds, including 200G, 100G, 50G, 25G, 10G, and 1G with compatible cables or modules.

Compact and Reliable Design

Dual redundant hot-swappable power supplies, two hot-swappable cooling fans, and a compact 1U form factor support reliable deployment in AI labs, enterprise racks, edge installations, and smaller data centers.

Product Details

Technical Specifications

System Specifications

  • Product Code: CRS804-4DDQ-hRM
  • CPU: Quad-core AL52400, 2 GHz
  • CPU Architecture: ARM 64-bit
  • Memory: 4 GB DDR4 RAM
  • Storage: 512 MB NAND
  • Switch Chip: Marvell 98DX7335
  • Operating System: RouterOS v7
  • RouterOS License: Level 6

Ethernet and Fiber Interfaces

  • Ethernet Ports: 2 × ports supporting 1G / 2.5G / 5G / 10G
  • QSFP-DD Ports: 4 × ports supporting 40G / 50G / 100G / 200G / 400G
  • Breakout Support: QSFP-DD ports support breakout modes to 1G / 2.5G / 5G / 10G / 25G / 50G with compatible cables or modules.

Power

  • AC Inputs: 2
  • AC Input Range: 100–240 V
  • Nominal Voltage: 12 V
  • Nominal Current: 27.5 A
  • Maximum Power Consumption: 123 W
  • Maximum Power Consumption Without Attachments: 92 W
  • Power Supplies: Dual redundant hot-swappable power supplies

Physical and Environmental

  • Rack Format: 1U rackmount
  • Cooling: 2 × hot-swappable cooling fans
  • Operating Temperature: -10°C to +60°C

In the Box

What’s Included

  • MikroTik CRS804 DDQ Cloud Router Switch
  • 2 × power cords
  • Rackmount brackets
  • Rackmount rear support ears
  • Fastening set
  • RMK-2x10/19 mounting accessory

Resources

Product Documentation

Datasheet