The CRS812 DDQ is your next leap forward, a powerful, efficient and cost-effective way to bring 50G, 200G, 400G into your rack
400G used to mean expensive, complex, and out of reach. The CRS812 DDQ changes that!
With a modern Marvell switch chip and powerful ARM CPU, it delivers advanced routing, switching, and traffic management features trusted in millions of RouterOS deployments – now with ports up to 400 Gbps!
The CRS812 scales your network from 10 to 400G in one simple, affordable, yet managed RouterOS v7 box – no forklift upgrades needed!
* QSFP56/QSFP-DD ports also support break out modes to 1G/2.5G/5G/10G/25G/50G
DDQ+DA0001 400G DAC, 1 m
DDQ+DA00031 400G DAC, 3 m
DDQ+85MP01D 400G 100 m optical transceiverWith CRS812, 400 Gigabits is no longer out of reach – it’s an affordable way to launch your network into the future, while keeping your existing gear in the loop!


The CRS812 DDQ is your next leap forward – a powerful, efficient, and cost-effective way to bring 50G, 200G, and 400G into your rack.




| Product code | CRS812-8DS-2DQ-2DDQ-RM | |
|---|---|---|
| CPU | Quad-Core AL52400 2000 MHz | |
| CPU architecture | ARM 64bit | |
| Size of RAM | 4 GB | |
| RAM type | DDR4 | |
| Storage | 512 MB, NAND | |
| Number of 1G/2.5G/5G/10G Ethernet ports | 2 | |
| Number of 50G SFP56 ports | 8 | |
| Number of 200G QSFP56 ports | 2 | |
| Number of 400G QSFP56-DD ports | 2 | |
| Switch chip model | 98DX7335 | |
| Dimensions | 443 x 268 x 44 mm | |
| Operating system | RouterOS v7, License level 6 | |
| Operating temparature | -10°C to +50°C | |
| Number of AC inputs | 2 |
|---|---|
| AC input range | 100-240 V |
| Power adapter nominal voltage | 12 V |
| Power adapter nominal current | 20.8 A |
| Max power consumption (without attachments) | 81 W |
| Max power consumption | 134 W |