AddOn Arista Networks® CAB-D-D-400G-3M Compatible TAA Compliant 400GBase-CU QSFP-DD Direct Attach Cable (Passive Twinax, 3m)

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Add-OnSKU: CAB-D-D-400G-3M-AO
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Description

The AddOn Arista Networks® CAB-D-D-400G-3M compatible direct attach cable delivers reliable 400GBase-CU performance with QSFP-DD to QSFP-DD connectivity over a maximum reach of 3 meters (9.8 feet). Built with passive twinax copper, this cable is designed to meet MSA standards for seamless interoperability and network compatibility. Each unit is programmed, uniquely serialized, and rigorously traffic tested to ensure flawless functionality in your environment.

This direct attach cable is TAA compliant, making it suitable for government procurement, and it comes backed by AddOn’s limited lifetime warranty, ensuring both compliance and long-term reliability.

Category Specification
SKU CAB-D-D-400G-3M-AO
Compatible OEM Arista Networks®
Form Type QSFP-DD to QSFP-DD
Speed 400GBase
Speed Description 400-Gigabit
Media Copper
Cable Type Direct Attach Copper (DAC), Passive Twinax
Length (m) 3
Length (ft) 9.8
Active or Passive Passive
Transceiver Type CU
Digital Optical Monitoring (DOM) Not applicable (copper DAC)
TAA Compliant Yes
Product Shipping Dimensions (H x W x D) 1.5 in. x 9 in. x 12 in.
Product Shipping Weight 0.4 lb
ECCN 5A991
HTS Code (US) 8517.62.0090
HTS Code (UK) 85176200
UNSPSC Code 26121609
UPC Code 195285822024
What’s in the Box 1x QSFP-DD to QSFP-DD direct attach cable
Warranty Limited Lifetime Warranty

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Return Policy (Short Summary)

We offer a 30-day return window for most unopened, factory-sealed items.

Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.


Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.


For damaged or incorrect items, please contact us immediately.


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