Power supply Inbuilt | Included Accessories 2 Power cords Rackmount bracket Rackmount rearsupport earsRackmount bracket Fastening set RMK-2×10/19 | Operating temperature range -10°C to +60°C | Product Net Weight 1 kg
The CRS804 DDQ is a compact and reliable 400 Gigabit switch designed for modern AI workloads and next-generation network upgrades. With four 400G QSFP-DD ports and dual 1/10G Ethernet, it delivers exceptional bandwidth density in a quiet and efficient 1U form factor.
Inside, a Marvell 98DX7335 switch chip works together with a hefty quad-core 2.0 GHz ARM CPU, 4 GB of DDR4 RAM, and RouterOS v7. This provides advanced traffic control, high performance switching, and a familiar management environment trusted by users worldwide.
The CRS804 DDQ is designed for long-term reliability and low cost of ownership, supported by hot-swap power supplies (included!), robust cooling, and low power consumption that reaches only 123 W at full load with optics installed.
| Unit Box Height | 0.07 |
| Unit Box Length | 0.53 |
| Unit Box Width | 0.26 |
| 10GB | 2 |
| QSFP56 | 4 |
| Model | CRS804-4DDQ-HRM |
| Model name | CRS804 DDQ |
| Power supply | Inbuilt |
| Included Accessories | 2 Power cords Rackmount bracket Rackmount rear support ears Rackmount bracket Fastening set RMK-2×10/19 |
| Operating temperature range | -10°C to +60°C |
| Units per Pallet | 0 |
| Units per Shipping Box | 1 |
| Unit Calculated Volume | 0.009646cubm |
| Product Net Weight | 1kg |
| Unit Calculated Weight | 4.02kg |
Switch DAHUA PFS3110-8ET1GT1GF-96 Desktop pedestal 8x10Base-T 100Base-TX 1x10Base-T 100Base-TX 1000Base-T 2x1000Base-T PoE ports 8 96 Watts DH-PFS3110-8ET1GT1GF-96
Switch DAHUA PFS3206-4P-96 Type L2 3x10Base-T 100Base-TX 1x10Base-T 100Base-TX 1000Base-T 2x1000Base-X DH-PFS3206-4P-96 




David Miller –
The CRS804 DDQ is a game-changer for my network backbone. Those four 400G QSFP-DD ports offer incredible density, and it runs much cooler than expected. I’m very happy with scandi.cam’s service; the shipping was prompt and the switch arrived in perfect condition. It’s a solid, high-performance piece of kit!
David Miller –
David Harrison –
The CRS804 DDQ is a game-changer for our network. Having four 400G ports in a quiet 1U chassis is impressive, and the dual hot-swap power supplies provide great peace of mind. I’m very satisfied with the fast shipping from scandi.cam. RouterOS v7 makes the management of such high bandwidth a breeze!
David Harrison –