MikroTik CRS804-4DDQ is a compact 400G switching platform built for modern AI clusters, storage fabrics, and high-speed aggregation. It combines four 400G QSFP-DD ports with dual 1G/10G Ethernet ports, making it a strong fit for performance-focused environments that need flexible connectivity in a practical form factor.
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MikroTik CRS804-4DDQis designed as a cost-effective way to bring 400 Gigabit networking into smaller deployments without giving up flexibility or reliability. With a Marvell switch chip, a quad-core ARM CPU, RouterOS v7, hot-swap cooling, and dual-redundant hot-swap power supplies, it is built to handle demanding workloads while keeping operation efficient and manageable. It is especially suited for AI labs, small to medium AI installations, storage environments, and compact data center fabrics.
At the center of the MikroTik CRS804-4DDQ is a 400G switching design intended for AI clusters and storage fabrics. The switch provides four 400G QSFP-DD ports and supports wire-speed operation across all ports, giving network designers a compact platform for building fast core or aggregation layers.
The switch includes 2x 1G/10G Ethernet ports and 4x 40G/50G/100G/200G/400G QSFP-DD ports. The QSFP-DD ports also support breakout modes to 1G/2.5G/5G/10G/25G/50G, which makes the CRS804 useful in mixed-generation networks where different speeds and device types need to work together.
Inside the switch is a Marvell 98DX7335 switch chip paired with a quad-core AL52400 2.0 GHz ARM 64-bit CPU, 4 GB of DDR4 RAM, and 512 MB of NAND storage. This hardware combination supports high-performance switching and traffic control, while RouterOS v7 provides a familiar management environment for advanced networking setups.
MikroTik CRS804-4DDQ runs RouterOS v7 and includes License Level 6. This gives users access to MikroTik’s established switching and routing ecosystem, making the device practical for IT teams that already work with RouterOS-based infrastructure.
The datasheet highlights dual-redundant hot-swap power supplies and 2 hot-swap RouterOS v7 cooling fans, helping reduce downtime during maintenance or hardware replacement. The unit is also designed for long-term reliability and low cost of ownership, with a maximum power consumption of 123 W with optics installed.
MikroTik CRS804-4DDQ is positioned as a practical building block for small to medium AI installations, all-flash storage fabrics, and compact 400G fabrics in limited rack space. Its breakout support also makes it useful for future-proofing existing networks, since it can interconnect with older and newer equipment through the right breakout cables.
MikroTik CRS804-4DDQ
Quad-Core AL52400, 2000 MHz, ARM 64-bit
4 GB DDR4 RAM
512 MB NAND
2x 1G/2.5G/5G/10G Ethernet ports
4x 400G QSFP56-DD ports
Marvell 98DX7335
2 hot-swap RouterOS v7 cooling fans
Dual-redundant hot-swap power supplies
2 AC inputs
100–240 V AC input range
-10°C to +60°C
MikroTik CRS804-4DDQ runs RouterOS v7 with License Level 6, making it suitable for advanced MikroTik-based network deployments. It is designed for users who want strong switching capabilities with a flexible software environment for modern infrastructure planning and management.
It has 4x 400G QSFP-DD ports and 2x 1G/10G Ethernet ports.
Yes. The QSFP-DD ports support breakout modes to 1G/2.5G/5G/10G/25G/50G.
It runs RouterOS v7 with License Level 6.
Yes. The datasheet lists dual-redundant hot-swap power supplies.
The maximum power consumption is listed as 123 W, with optics installed.
MikroTik is not just hardware; it’s a sandbox for networking excellence. From the legendary stability of RouterOS v7 to hardware that punches far above its price bracket, MikroTik is the preferred choice for Indian ISPs, home-lab enthusiasts, and businesses requiring surgical control over their data.
At FGTECH Store, we bridge the gap between complex hardware and real-world deployment. As an authorized partner, we don't just sell MikroTik—we help you master it.
The jump to RouterOS v7 has unlocked enterprise capabilities previously reserved for million-dollar hardware:
Modern VPNs: Native WireGuard support offers a faster, lighter alternative to L2TP, perfect for remote work in India where latency matters.
ISP Freedom: Simplified VLAN 1015 tagging and MAC cloning make MikroTik the gold standard for bypassing restrictive ISP ONTs (Jio/Airtel).
Hardware Offloading: Enhanced L3 hardware offloading on models like the CRS series allows you to switch at wire-speed while maintaining complex firewall rules.
Stop letting your ISP router bottleneck your fiber. Our selection of hAP ax³ , hex S new model (E60iugs) and RB5009 units are pre-vetted for Indian fiber environments. Use our technical guides to take full control of your public IP and routing.
For power users running servers or 4K surveillance, the hAP ax series brings Wi-Fi 6 stability. If you're a "tinkerer," the hEX (2025 Edition) offers the most affordable gateway into professional networking.
Scale your business with the Cloud Core Router (CCR) series. Designed for high-density environments and data centers, these units handle full BGP tables and massive NAT workloads without breaking a sweat.
Networking is easier when you can see it in action. We are building a library of MikroTik tutorials specifically for the Indian context:
Step-by-Step: Setting up your first MikroTik router. Refer our 15 videos list to learn Mikrotik fast - video link
Deep Dives: And if you are already hands on Mikrotik, checkout our Pro configuration series to help you with Mikrotik advanced setup - video link
ISP Tricks: How to bypass your ISP ONT using MikroTik or learn how to setup wireless WISP business in India - everything is explained in depth on our Youtube channel.
Watch & Subscribe: Check out our Youtube Channel @fgtechstore for the latest "MikroTips" and hardware unboxings.
Don’t just buy a router; stay updated on how to secure it. Join 1,000+ Indian IT pros who receive our monthly newsletter:
Firmware Alerts: Critical security updates for RouterOS.
New Tech Spotlights: Be the first to know when the latest ax series or 400G switches land in India.
Exclusive Deals: Subscriber-only discounts on MikroTik, Ubiquiti, and Storage solutions.
| Product | Solution Category | High-Value Feature | Best For |
| hAP ax³ | Wi-Fi 6 Flagship | 2.5G Port + 1.8GHz ARM CPU | Premium Homes / Pro-Gamers |
| RB5009 Series | Performance Edge | 7x GbE + 1x 2.5G + 1x SFP+ | Heavy Home Labs / Small Offices |
| hEX S (2025) | Budget Gateway | 2.5G SFP Uplink + PoE Out | Underfunded Labs / Simple VPNs |
| CCR2004-16G | Enterprise Core | 16x Gigabit + 2x 10G SFP+ | ISPs / Multi-branch Offices |
| L009 Series | Modern SOHO | Up to 4x faster than RB2011 | Rackmount Small Businesses |
Authorized Authenticity: 100% genuine products directly from MikroTik. You can refer Mikrotik resellers list to confirm the same.
Specialist Support: We understand "Bridge Mode," "VLAN 1015," and "Queue Trees." Reach out to our Mikrotik experts on Whatsapp +91 8454988088 and we will get you started.
Fast Pan-India Logistics: Quick dispatch from Mumbai to any pin code. Pickup and Porter/wefast facility also available in our Mumbai store.
As an Authorized Partner, every MikroTik product we sell comes with a standard 12-month manufacturer warranty. If you encounter a hardware defect, you can contact us directly. We coordinate with the brand to ensure your RMA (Return Merchandise Authorization) is processed smoothly.
While we provide extensive Pre-sales Consultation to help you select the right gear and offer free learning resources through our YouTube tutorials and Newsletter guides, we understand that complex environments require expert hands. If you require end-to-end assistance in network design, remote configuration, or custom setup, we offer these services on a professional paid project basis. Our experts can remotely configure your MikroTik hardware to ensure it meets your exact ISP or business requirements.
We handle everything from basic ISP Bridge Mode/VLAN setup to advanced configurations like BGP peering, OSPF routing, WireGuard VPN tunnels, and Dual-WAN Failover. We also provide professional design services for Smart Home IoT networks and High-Retention CCTV Storage systems.
Once you purchase your hardware, you can book a consultation slot with our engineers. We typically perform configurations remotely via AnyDesk or TeamViewer. You’ll receive a custom quote based on the complexity of your network requirements.
We primarily offer remote configuration support pan-India, which is fast and cost-effective. However, for large-scale enterprise projects or warehouse CCTV/Networking setups in the Mumbai/MMR region, on-site deployment and physical installation can be arranged upon request.
| Specification Category | Details |
|---|---|
| Product Code | CRS804-4DDQ-hRM |
| Product Type | Compact 400G Aggregation & Data Center Switch |
| CPU | Quad-Core AL52400, 2000 MHz |
| CPU Architecture | ARM 64-bit |
| RAM | 4 GB DDR4 |
| Storage | 512 MB NAND |
| Switch Chip | Marvell 98DX7335 |
| Operating System | RouterOS v7 |
| License Level | 6 |
| Form Factor | 1U Rackmount |
| Operating Temperature | -10°C to +60°C |
| Warranty | 1 Year |
| Interface Type | Quantity | Supported Speeds |
|---|---|---|
| Ethernet Ports | 2 | 1G / 2.5G / 5G / 10G |
| QSFP56-DD Ports | 4 | 40G / 50G / 100G / 200G / 400G |
| Port Type | Breakout Speeds Supported |
|---|---|
| QSFP56-DD | 1G / 2.5G / 5G / 10G / 25G / 50G |
| Specification | Details |
|---|---|
| CPU Performance | Quad-Core ARM 2 GHz |
| Memory | 4 GB DDR4 |
| Storage Type | NAND |
| Storage Capacity | 512 MB |
| Switching Performance | Wire-speed on all ports |
| Cooling | 2 × Hot-Swap Cooling Fans |
| Power Supply | Dual-Redundant Hot-Swap Power Supplies |
| Specification | Details |
|---|---|
| AC Inputs | 2 |
| AC Input Range | 100 – 240 V |
| Power Adapter Voltage | 12 V |
| Power Adapter Current | 27.5 A |
| Max Power Consumption (Without Attachments) | 92 W |
| Maximum Power Consumption | 123 W |
| Included Item |
|---|
| 2 × Power Cords |
| Rackmount Bracket |
| Rackmount Rear Support Ears |
| Fastening Set |
| RMK-2x10/19 Rack Mount Kit |
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