# Network switch MikroTik CRS804-4DDQ-HRM — 10G Ethernet RJ-45 2 ports, console RJ-45, grey

**URL:** https://aio.lv/en/product--mikrotik-crs804-4ddq-hrm--11676700
**Data updated:** 2026-02-07 21:04 (EET)
**Category:** Network Switches
**Manufacturer:** MikroTik
**Manufacturer code:** CRS804-4DDQ-hRM
**Warranty:** 1 Year
**Availability:** Out of stock

## Summary description

MikroTik CRS804-4DDQ-HRM is a compact network switch with two 10G-capable RJ-45 Ethernet ports (supports 100/1000/10000 Mbps) and an RJ-45 console port. It supports 10G connections for high-throughput uplinks or servers and fits rack or desktop deployments. The grey unit is suited for small data centers, server rooms and demanding network aggregation tasks.

## Long description

MikroTik CRS804-4DDQ-HRM is a compact 1U network switch designed for AI clusters, storage fabrics and high-speed aggregation. It provides four 400G QSFP56-DD ports alongside two 10G-capable RJ-45 Ethernet ports and an RJ-45 console port, runs RouterOS v7, and offers hot-swap power supplies, efficient cooling and low power consumption for wire-speed performance and scalable deployment.
Advantages
The switch delivers ultra-high bandwidth through four 400G QSFP56-DD ports while maintaining flexible 10G RJ-45 connectivity for uplinks or servers. Hot-swappable power supplies and robust cooling enable continuous operation in rack environments. RouterOS v7 support provides a broad feature set for routing and switching, and the compact 1U form factor saves rack space.
Suitable for
AI/ML cluster fabric interconnects
High-speed aggregation in data centers
Storage networking and NVMe-oF front-end
Uplink connections for server racks
Key specifications
Form factor: 1U rack-mountable unit
High-speed ports: 4 × 400G QSFP56-DD
RJ-45 ports: 2 × 10G-capable Ethernet (100/1000/10000 Mbps)
Console: RJ-45 console port
Software: RouterOS v7
Power: hot-swappable AC power supplies
Cooling: built-in robust cooling for continuous operation
How to use
Install the CRS804-4DDQ-HRM into a standard 19-inch rack using the included mounting hardware or place it on a desktop. Connect high-speed fabrics or switches to the QSFP56-DD ports with compatible DAC/CAGE/optic modules and attach servers or uplinks to the 10G RJ-45 ports. Use the RJ-45 console port for initial configuration and manage the device through RouterOS v7 via CLI or supported management interfaces.
Usage recommendations
For optimal thermal and power reliability, deploy the unit in a ventilated rack space with redundant AC power feeds where possible. Use compatible QSFP56-DD transceivers or breakout cables and ensure cabling and endpoints support the intended 400G or 10G link speeds.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| Console port | RJ-45 |
| Basic switching RJ-45 Ethernet ports type | 10G Ethernet (100/1000/10000) |
| Basic switching RJ-45 Ethernet ports quantity | 2 |
| QSFP56 ports quantity | 4 |

### Certificates

| Feature | Value |
|---|---|
| Certification | CE, EAC, ROHS |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | -10 - 60 |

### Power

| Feature | Value |
|---|---|
| Power source | AC |
| AC input frequency | 50/60 |
| AC input voltage | 100 - 240 |
| Power consumption (max) | 123 W |

### Performance

| Feature | Value |
|---|---|
| Processor frequency | 2000 MHz |
| Internal memory | 4000 MB |
| Mean time between failures (MTBF) | 200000 h |
| Flash memory | 512 MB |
| Processor manufacturer | ARM |
| Operating system installed | RouterOS |
| Built-in processor | Yes |

### Design

| Feature | Value |
|---|---|
| Product colour | Grey |
| International Protection (IP) code | IP20 |

### Network

| Feature | Value |
|---|---|
| 10G support | Yes |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All MikroTik products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized MikroTik service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: basic switching rj-45 ethernet ports quantity, basic switching rj-45 ethernet ports type, 10g support, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11676700/67038327_large.webp