MikroTik 400G QSFP-DD Ethernet Switch (CRS804-4DDQ-hRM)
[shortdesc] 4x 400G QSFP-DD ports, 2x 1G/10G Ethernet, Marvell 98DX7335 switch chip, Quad-core 2 GHz ARM CPU, 4 GB DDR4 RAM, RouterOS v7 [/shortdesc]
[properties]
| Model | CRS804-4DDQ-hRM |
| Product Type | Cloud Router Switch |
| CPU | Quad-Core AL52400 2000 MHz |
| CPU Architecture | ARM 64bit |
| Switch Chip | Marvell 98DX7335 |
| RAM | 4 GB DDR4 |
| Storage | 512 MB NAND |
| Ethernet Ports | 2x 1G/10G Ethernet ports |
| High-Speed Ports | 4x 400G QSFP-DD ports |
| Operating System | RouterOS v7 (License level 6) |
| Operating Temperature | -10C to +60C |
| AC Inputs | 2 |
| AC Input Range | 100-240 V |
| Power Adapter Voltage | 12 V |
| Power Adapter Current | 27.5 A |
| Max Power Consumption | 123 W |
| Max Power Consumption (Without Attachments) | 92 W |
[/properties]
[specifications]
| QSFP-DD Port Speeds | 40G / 50G / 100G / 200G / 400G |
| Breakout Support | Supports breakout modes to 1G / 2.5G / 5G / 10G / 25G / 50G |
| Switch Chip Performance | Wire-speed switching using Marvell 98DX7335 switch chip |
| Management | RouterOS v7 operating system with advanced traffic control and switching |
| Cooling | 2 hot-swap cooling fans |
| Power Supply | Dual redundant hot-swap power supplies |
| Form Factor | 1U rackmount |
| Mounting | Supports mounting two CRS804 switches in one 1U slot using RMK-2x10/19 kit |
| Typical Use Cases | AI clusters, storage fabrics, aggregation switching, compact 400G data center fabrics |
[/specifications]
[accesories]
| Included | 2 Power cords; Rackmount bracket; Rackmount rear support ears; Fastening set; RMK-2x10/19 mounting kit |
| Optional DAC Cables | DDQ+DA0001 (400G DAC 1 m); DDQ+DA00031 (400G DAC 3 m) |
| Optional Optical Transceiver | DDQ+85MP01D (400G 100 m optical transceiver) |
| Optional Power Supply | 48V DC telecom-IN hot-swap power supply |
| Optional Cooling | MT-HotSwapFan-V2 hot-swap fan module |
[/accesories]
Ultra-Fast 400G Switching for AI and Data-Intensive Networks
The MikroTik CRS804-4DDQ-hRM delivers compact 400G switching designed for modern AI clusters, storage fabrics, and high-performance aggregation environments. Powered by a Marvell 98DX7335 switch chip and a quad-core ARM processor, it provides predictable low-latency performance with wire-speed switching across all ports. With four QSFP-DD interfaces and flexible breakout capabilities, this switch enables organizations to deploy high-bandwidth infrastructure while maintaining compatibility with existing network equipment.
Key Benefits and Features
- 400G High-Density Connectivity: Four QSFP-DD ports support 400G, 200G, 100G, 50G, and 40G connections, delivering massive bandwidth for high-performance computing and storage workloads.
- Flexible Breakout Options: Each QSFP-DD port can be split into multiple lower-speed interfaces, enabling seamless integration with SFP and QSFP devices across different generations.
- Wire-Speed Switching Performance: The Marvell 98DX7335 switching ASIC ensures consistent low-latency forwarding for demanding AI, GPU, and storage traffic.
- Reliable Enterprise Hardware: Dual redundant hot-swap power supplies and hot-swap cooling fans ensure continuous operation in mission-critical environments.
- RouterOS v7 Advanced Management: MikroTik RouterOS provides extensive networking features including traffic control, routing capabilities, and centralized management.
Ideal Use Cases
- AI and GPU cluster networking for high-performance computing
- High-speed aggregation in enterprise and campus networks
- All-flash storage fabrics requiring ultra-fast data transfer
- Compact spine or backbone switching in modern data centers
- Edge compute environments with high bandwidth requirements
Technical Specifications
- Product Model: MikroTik CRS804-4DDQ-hRM
- Switch Chip: Marvell 98DX7335
- CPU: Quad-Core AL52400 2.0 GHz ARM 64-bit
- Memory: 4 GB DDR4 RAM
- Storage: 512 MB NAND
- Ports: 4x 400G QSFP-DD, 2x 1G/10G Ethernet
- Operating System: RouterOS v7 (License Level 6)
- Maximum Power Consumption: 123 W
- Operating Temperature: -10C to +60C
- Power Inputs: Dual AC inputs 100-240 V
Upgrade Your Network to 400G Performance
Deploy scalable ultra-high-speed infrastructure with the MikroTik CRS804-4DDQ-hRM. Order today to power AI workloads and next-generation networks.
Product Information
Product Information
Shipping & Returns
Shipping & Returns



MikroTik 400G QSFP-DD Ethernet Switch (CRS804-4DDQ-hRM)
MikroTik 400G QSFP-DD Ethernet Switch (CRS804-4DDQ-hRM)
[shortdesc] 4x 400G QSFP-DD ports, 2x 1G/10G Ethernet, Marvell 98DX7335 switch chip, Quad-core 2 GHz ARM CPU, 4 GB DDR4 RAM, RouterOS v7 [/shortdesc]
[properties]
| Model | CRS804-4DDQ-hRM |
| Product Type | Cloud Router Switch |
| CPU | Quad-Core AL52400 2000 MHz |
| CPU Architecture | ARM 64bit |
| Switch Chip | Marvell 98DX7335 |
| RAM | 4 GB DDR4 |
| Storage | 512 MB NAND |
| Ethernet Ports | 2x 1G/10G Ethernet ports |
| High-Speed Ports | 4x 400G QSFP-DD ports |
| Operating System | RouterOS v7 (License level 6) |
| Operating Temperature | -10C to +60C |
| AC Inputs | 2 |
| AC Input Range | 100-240 V |
| Power Adapter Voltage | 12 V |
| Power Adapter Current | 27.5 A |
| Max Power Consumption | 123 W |
| Max Power Consumption (Without Attachments) | 92 W |
[/properties]
[specifications]
| QSFP-DD Port Speeds | 40G / 50G / 100G / 200G / 400G |
| Breakout Support | Supports breakout modes to 1G / 2.5G / 5G / 10G / 25G / 50G |
| Switch Chip Performance | Wire-speed switching using Marvell 98DX7335 switch chip |
| Management | RouterOS v7 operating system with advanced traffic control and switching |
| Cooling | 2 hot-swap cooling fans |
| Power Supply | Dual redundant hot-swap power supplies |
| Form Factor | 1U rackmount |
| Mounting | Supports mounting two CRS804 switches in one 1U slot using RMK-2x10/19 kit |
| Typical Use Cases | AI clusters, storage fabrics, aggregation switching, compact 400G data center fabrics |
[/specifications]
[accesories]
| Included | 2 Power cords; Rackmount bracket; Rackmount rear support ears; Fastening set; RMK-2x10/19 mounting kit |
| Optional DAC Cables | DDQ+DA0001 (400G DAC 1 m); DDQ+DA00031 (400G DAC 3 m) |
| Optional Optical Transceiver | DDQ+85MP01D (400G 100 m optical transceiver) |
| Optional Power Supply | 48V DC telecom-IN hot-swap power supply |
| Optional Cooling | MT-HotSwapFan-V2 hot-swap fan module |
[/accesories]
Ultra-Fast 400G Switching for AI and Data-Intensive Networks
The MikroTik CRS804-4DDQ-hRM delivers compact 400G switching designed for modern AI clusters, storage fabrics, and high-performance aggregation environments. Powered by a Marvell 98DX7335 switch chip and a quad-core ARM processor, it provides predictable low-latency performance with wire-speed switching across all ports. With four QSFP-DD interfaces and flexible breakout capabilities, this switch enables organizations to deploy high-bandwidth infrastructure while maintaining compatibility with existing network equipment.
Key Benefits and Features
- 400G High-Density Connectivity: Four QSFP-DD ports support 400G, 200G, 100G, 50G, and 40G connections, delivering massive bandwidth for high-performance computing and storage workloads.
- Flexible Breakout Options: Each QSFP-DD port can be split into multiple lower-speed interfaces, enabling seamless integration with SFP and QSFP devices across different generations.
- Wire-Speed Switching Performance: The Marvell 98DX7335 switching ASIC ensures consistent low-latency forwarding for demanding AI, GPU, and storage traffic.
- Reliable Enterprise Hardware: Dual redundant hot-swap power supplies and hot-swap cooling fans ensure continuous operation in mission-critical environments.
- RouterOS v7 Advanced Management: MikroTik RouterOS provides extensive networking features including traffic control, routing capabilities, and centralized management.
Ideal Use Cases
- AI and GPU cluster networking for high-performance computing
- High-speed aggregation in enterprise and campus networks
- All-flash storage fabrics requiring ultra-fast data transfer
- Compact spine or backbone switching in modern data centers
- Edge compute environments with high bandwidth requirements
Technical Specifications
- Product Model: MikroTik CRS804-4DDQ-hRM
- Switch Chip: Marvell 98DX7335
- CPU: Quad-Core AL52400 2.0 GHz ARM 64-bit
- Memory: 4 GB DDR4 RAM
- Storage: 512 MB NAND
- Ports: 4x 400G QSFP-DD, 2x 1G/10G Ethernet
- Operating System: RouterOS v7 (License Level 6)
- Maximum Power Consumption: 123 W
- Operating Temperature: -10C to +60C
- Power Inputs: Dual AC inputs 100-240 V
Upgrade Your Network to 400G Performance
Deploy scalable ultra-high-speed infrastructure with the MikroTik CRS804-4DDQ-hRM. Order today to power AI workloads and next-generation networks.
Original: $1,250.00
-65%$1,250.00
$437.50Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
[shortdesc] 4x 400G QSFP-DD ports, 2x 1G/10G Ethernet, Marvell 98DX7335 switch chip, Quad-core 2 GHz ARM CPU, 4 GB DDR4 RAM, RouterOS v7 [/shortdesc]
[properties]
| Model | CRS804-4DDQ-hRM |
| Product Type | Cloud Router Switch |
| CPU | Quad-Core AL52400 2000 MHz |
| CPU Architecture | ARM 64bit |
| Switch Chip | Marvell 98DX7335 |
| RAM | 4 GB DDR4 |
| Storage | 512 MB NAND |
| Ethernet Ports | 2x 1G/10G Ethernet ports |
| High-Speed Ports | 4x 400G QSFP-DD ports |
| Operating System | RouterOS v7 (License level 6) |
| Operating Temperature | -10C to +60C |
| AC Inputs | 2 |
| AC Input Range | 100-240 V |
| Power Adapter Voltage | 12 V |
| Power Adapter Current | 27.5 A |
| Max Power Consumption | 123 W |
| Max Power Consumption (Without Attachments) | 92 W |
[/properties]
[specifications]
| QSFP-DD Port Speeds | 40G / 50G / 100G / 200G / 400G |
| Breakout Support | Supports breakout modes to 1G / 2.5G / 5G / 10G / 25G / 50G |
| Switch Chip Performance | Wire-speed switching using Marvell 98DX7335 switch chip |
| Management | RouterOS v7 operating system with advanced traffic control and switching |
| Cooling | 2 hot-swap cooling fans |
| Power Supply | Dual redundant hot-swap power supplies |
| Form Factor | 1U rackmount |
| Mounting | Supports mounting two CRS804 switches in one 1U slot using RMK-2x10/19 kit |
| Typical Use Cases | AI clusters, storage fabrics, aggregation switching, compact 400G data center fabrics |
[/specifications]
[accesories]
| Included | 2 Power cords; Rackmount bracket; Rackmount rear support ears; Fastening set; RMK-2x10/19 mounting kit |
| Optional DAC Cables | DDQ+DA0001 (400G DAC 1 m); DDQ+DA00031 (400G DAC 3 m) |
| Optional Optical Transceiver | DDQ+85MP01D (400G 100 m optical transceiver) |
| Optional Power Supply | 48V DC telecom-IN hot-swap power supply |
| Optional Cooling | MT-HotSwapFan-V2 hot-swap fan module |
[/accesories]
Ultra-Fast 400G Switching for AI and Data-Intensive Networks
The MikroTik CRS804-4DDQ-hRM delivers compact 400G switching designed for modern AI clusters, storage fabrics, and high-performance aggregation environments. Powered by a Marvell 98DX7335 switch chip and a quad-core ARM processor, it provides predictable low-latency performance with wire-speed switching across all ports. With four QSFP-DD interfaces and flexible breakout capabilities, this switch enables organizations to deploy high-bandwidth infrastructure while maintaining compatibility with existing network equipment.
Key Benefits and Features
- 400G High-Density Connectivity: Four QSFP-DD ports support 400G, 200G, 100G, 50G, and 40G connections, delivering massive bandwidth for high-performance computing and storage workloads.
- Flexible Breakout Options: Each QSFP-DD port can be split into multiple lower-speed interfaces, enabling seamless integration with SFP and QSFP devices across different generations.
- Wire-Speed Switching Performance: The Marvell 98DX7335 switching ASIC ensures consistent low-latency forwarding for demanding AI, GPU, and storage traffic.
- Reliable Enterprise Hardware: Dual redundant hot-swap power supplies and hot-swap cooling fans ensure continuous operation in mission-critical environments.
- RouterOS v7 Advanced Management: MikroTik RouterOS provides extensive networking features including traffic control, routing capabilities, and centralized management.
Ideal Use Cases
- AI and GPU cluster networking for high-performance computing
- High-speed aggregation in enterprise and campus networks
- All-flash storage fabrics requiring ultra-fast data transfer
- Compact spine or backbone switching in modern data centers
- Edge compute environments with high bandwidth requirements
Technical Specifications
- Product Model: MikroTik CRS804-4DDQ-hRM
- Switch Chip: Marvell 98DX7335
- CPU: Quad-Core AL52400 2.0 GHz ARM 64-bit
- Memory: 4 GB DDR4 RAM
- Storage: 512 MB NAND
- Ports: 4x 400G QSFP-DD, 2x 1G/10G Ethernet
- Operating System: RouterOS v7 (License Level 6)
- Maximum Power Consumption: 123 W
- Operating Temperature: -10C to +60C
- Power Inputs: Dual AC inputs 100-240 V
Upgrade Your Network to 400G Performance
Deploy scalable ultra-high-speed infrastructure with the MikroTik CRS804-4DDQ-hRM. Order today to power AI workloads and next-generation networks.














