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The NXM-X4D is designed for high-speed, scalable network environments, supporting demanding applications like hyperscale data centers and low-latency financial trading architectures.

Device Type: Expansion module (Line Expansion Module, LEM).
Form Factor: Plug-in module.
Ports: 4 x 400Gb Ethernet QSFP-DD ports.
Data Transfer Rate: 400 Gbps per port, for an aggregate bandwidth of up to 1.6 Tbps per module.
Breakout Support: The module supports port breakout, allowing a single 400G port to be logically split into multiple lower-speed ports, such as 4x100G, 4x25G, 4x10G, or 2x200G/50G, depending on the host platform and optics used.
Compatibility: It is compatible with selected Cisco Nexus 3000 Series switches that have expansion slots and the necessary software support, including the N3K-C3408-S chassis.
Supported Transceivers: It works with qualified QSFP-DD optics, as well as Direct Attach Cables (DAC) and Active Optical Cables (AOC).
Physical Specifications:
- Weight: 3.2 lbs (1.45 kg).
- Operating Temperature: 0 to 40°C (32 to 104°F).
- Power Consumption: Typically 25W.