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Home Fiber Optic Cables Fiber Patch Cables Arista CAB-D-D-400G-1M | 1m QSFP-DD to QSFP-DD 400G Twinax DAC Cable

Arista CAB-D-D-400G-1M | 1m QSFP-DD to QSFP-DD 400G Twinax DAC Cable

Arista CAB-D-D-400G-1M | 1m QSFP-DD to QSFP-DD 400G Twinax DAC Cable

Brand:

Arista

Specifications

Product Overview

The Arista CAB-D-D-400G-1M is a high-bandwidth, 1-meter 400Gbps QSFP-DD to QSFP-DD Direct Attach Copper (DAC) cable, purpose-built for ultra-fast, short-distance data connections in modern networking infrastructure. Supporting the 400GBASE-CR8 standard, this cable is ideal for interconnecting servers, switches, or storage within the same rack or across adjacent racks.
Designed for dual-density QSFP-DD interfaces, this passive copper solution offers exceptional signal integrity, minimal latency, and low power consumption without the need for additional power or optical modules.

Specifications

Cable Type: Twinax Direct Attach Copper (DAC), Passive
Transmission Rate: Up to 400 Gbps (400GBASE-CR8)
Connector 1: QSFP-DD
Connector 2: QSFP-DD
Length: 1 Meter (3.28 Feet)
Form Factor: QSFP-DD to QSFP-DD, Dual Density
Compatibility: Arista and other network devices supporting QSFP-DD interfaces
Typical Use Cases: Switch-to-switch links, high-speed intra-rack connectivity, next-gen data center deployments

Key Features

Supports ultra-high 400Gbps data throughput
Ideal for top-of-rack and adjacent rack server connections
Compliant with industry standards for QSFP-DD and 400GBASE-CR8
Durable and efficient passive design – no external power needed
Minimizes latency and energy usage in dense networking setups
Plug-and-play ready with stable, secure connection interface

Applications

400G spine-to-leaf switch architectures
Hyperscale cloud environments
Next-generation storage and compute clusters
High-performance computing (HPC) deployments
Short-haul, high-bandwidth links in enterprise networks

Features

Brand:

Arista

Cable Length:

1 Meter

Conditions:

New

Warranty:

1 Year

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