MikroTik 400G QSFP-DD Ethernet Switch (CRS804-4DDQ-hRM)

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[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. Show more