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Compact 400G switch for AI clusters and high-speed aggregation.
The CRS804 DDQ is a practical and cost-effective solution for 400 gigabit speeds with focus on AI workloads and network modernization. The switch features four 400G QSFP56-DD ports and two 10GbE Ethernet ports, providing exceptional bandwidth density in a quiet and efficient 1U form factor. Each 400G QSFP-DD port is built from eight independent data lanes, enabling flexible breakout options including two 200G links for AI tasks or lower speeds such as 100G or 40G.
Marvell 98DX7335, quad-core ARM CPU 2.0 GHz, 4 GB DDR4 RAM and RouterOS v7. This combination provides advanced traffic management, high-performance switching and the familiar management environment trusted by users worldwide. The switch can forward data at full speed on all ports simultaneously.
Ideal for AI and GPU clusters
Perfect building block for small to medium AI installations. Provides predictable performance with low latency and full wire-speed switching that keeps GPU nodes and storage traffic flowing smoothly without bottlenecks. Compact design and low power consumption make it suitable for AI labs, research environments and smaller rack deployments.
Future-proofing existing networks
The CRS804 DDQ can function as a high-speed core or aggregation switch even in legacy racks. Flexible breakout options allow deployment in existing networks today and upgrade to higher speeds over time without replacing the switch. With the right breakout cables, the CRS804 DDQ can interconnect virtually any device with SFP or QSFP ports regardless of generation.
All-flash storage fabrics
Leverage native 400G ports for fast storage uplinks or split them into dual 200G links. Ideal for media production, scientific workloads and any environment where rapid data movement is critical.
Package contents
2× power cable, rack mount bracket, rear support brackets for rack mounting, RMK-2x10/19 rack mount bracket, mounting hardware
KEY SPECIFICATIONS
Processor: AL52400 2000 MHz (ARM 64bit)
RAM: 4 GB DDR4
Storage: 512 MB NAND
Chip: Marvell 98DX7335
Ports: 4× 400G QSFP56-DD, 2× 10GbE RJ-45
Operating System: RouterOS v7, Level 6 license
Power: 2× AC inputs 100–240 V, dual-redundant hot-swap
Power consumption: max. 123 W (92 W without accessories)
Operating temperature: -10 to +60 °C
Form factor: 1U rackmount
| Brand | |
| Type specification : | Switch |
| Manufacturer : | MIKROTIK |
| Technical specification | |
| Fanless : | no |
| Management : | yes |
| PoE-in : | no |
| PoE-out : | no |
| Outdoor use : | no |
| Indoor use : | yes |
| Placement : | rack |
| Max. operating temperature (°C) : | 60 |
| Min. operating temperature (°C) : | -10 |
| Display | |
| Display : | no |
| Network interfaces | |
| Gigabit LAN : | yes |
| LAN : | yes |
| Port Speed : | 400 Gb/s + 10 Gb/s |
| Wi-Fi : | no |
| Inputs and outputs | |
| QSFP-DD : | 4 |
| RJ-45 : | 2 |
| Card reader | |
| MicroSD card support : | no |
| Power supply | |
| Power type : | internal power supply |
| PoE support : | no |
| Input Voltage (V) : | 100 - 240 (AC) |
| Warranty | |
| Warranty period EU (months) : | 26 |
| Warranty period CRN (months) : | 26 |
| Support | |
| SIM slot : | no |
| Physical properties | |
| Color : | gray |
Code: ZNRMKR0019
Code: ZNRMKR0019
Code: NAPMKR1027
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