Name:

Network Switch 400G PAM4 QSFP-DD to 4x100G QSFP56 Direct Attach PVC Copper Cable, up to 3m

Model:
NS-DAC400G30-4N
Detail:
400G QSFP-DD to 4×100G QSFP56 DAC, PVC, passive ≤ 3 m (10 ft), active ≤ 5 m (16 ft)
Price:
$135.00 USD
Availability:
In Stock Pre order Out of stock
Condition:
New
Warranty:
Variants

Length: 0.5m (2ft)

0.5m (2ft)
1m (3ft)
1.5m (5ft)
2m (7ft)
2.5m (8ft)
3m (10ft)

Compatible Brands: Generic

Generic
Cisco
Juniper
Arista
Dell
Nvidia
Quantity:
Quote | Help
Shipping:
Express Shipping to 3-8 Days, via DHL, UPS, etc.
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Description
Reviews
Q&A
Return and Refund

Features

Low Power Consumption for Energy-saving

400G Data Center Networking Solution for HPC

The solution leverages 400G and 400G DACs with near-zero power consumption and low latency to provide flexible, easy-to-manage network connectivity and high-throughput transmission, meeting the deployment requirements of HPC networks.

400G PAM4 QSFP-DD to 4×100G QSFP56 Direct Attach Copper Cable (DAC), PVC, Passive, up to 3 m (10 ft)

Overview

The NS 400G PAM4 QSFP-DD to 4×100G QSFP56 Direct Attach Copper Cable (DAC) is a breakout copper interconnect purpose-built for 400G-to-4×100G Ethernet applications in hyperscale data centers, HPC clusters, and enterprise networks.

With one QSFP-DD connector on one end and four QSFP56 connectors on the other, it enables seamless 400G-to-100G breakout connectivity with ultra-low latency and cost efficiency.

Manufactured with twinax copper conductors and a protective PVC jacket, the DAC ensures excellent EMI immunity, durability, and stability. The passive version supports lengths up to 3 m (10 ft) with negligible power draw, while active variants can extend up to 5 m (16 ft) with ≤ 4 W per end.

Compatible Brands

The NS 400G QSFP-DD to 4×100G QSFP56 DAC works seamlessly with devices from Cisco, Huawei, Juniper, Arista, Dell and Nvidia.

Need confirmation for a specific model? [Contact Us Now] and our team will assist.

Key Specifications

Specification Details
Vendor Name Network-Switch (NS)
Product Type 400G PAM4 QSFP-DD to 4×100G QSFP56 Direct Attach Copper Cable (DAC)
Data Rate 400 Gbps total, breakout into 4×100 Gbps channels (PAM4)
Cable Type Twinax Copper, PVC Jacket, Passive/Active
Max Cable Distance Passive: up to 3 m (10 ft); Active: up to 5 m (16 ft)
Conductor AWG Options 30 AWG (≤ 2 m), 26 AWG (≤ 3 m), 24 AWG (active ≤ 5 m)
Connector Type 1× QSFP-DD to 4× QSFP56
Power Consumption Passive ≈ 0 W, Active ≤ 4 W
Temperature Range 0 °C to 70 °C
Standards Compliance QSFP-DD MSA (SFF-8679), QSFP56 MSA (SFF-8665), IEEE 802.3cd/802.3bs, RoHS
Applications 400G-to-100G breakout, switch uplinks, leaf-spine aggregation

 

Why Choose NS 400G QSFP-DD to 4×100G DAC?

  • Breakout design: Converts one 400G port into four 100G channels.

  • Cost savings: Eliminates the expense of optics and patch cords.

  • Ultra-low latency: Direct copper transmission path.

  • Energy efficient: Passive requires no power; active ≤ 4 W.

  • Multi-vendor interoperability: Tested with all leading network brands.

Length Options

Standard stocked lengths:
1 m (3 ft), 2 m (7 ft), 3 m (10 ft)

Extended (active) lengths:
5 m (16 ft)

More Details

Quality Certifications

Do you have any question about the 400G PAM4 QSFP-DD to 4x100G QSFP56 Direct Attach PVC Copper Cable?

Please Chat with us now!

or leave us an message on sales@network-switch.com

Warranty

100% Low Price Guarantee

Network-switch.com provides high-quality products at low wholesale prices

100% Quality Assurance

All items are ORIGINAL and GENUINE only.
Item conditions are "New Sealed". They are fully tested by Certified CCIE / HCIE / RCNP Engineers.

Free Technical Support

Our FREE Expert Consultancy Support is over the phone, by chat, by email or by login remotely.

100% Money Back Guarantee

You can contact our customer service team to exchange or return any product that you bought from us.

Standard Warranty Policy

Original New Sealed Enterprise Hardware: 3 Years
Original New Sealed Consumer Devices: 1 Year

The Support Contacts

If your products failed, you must contact your sales representative to verify product failure. If the problem still can't correct by remote support methods i.e. email or phone support, the RMA procedure will issue.

Customer Reviews

Based on 4 reviews
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(4)
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M
Mason Wilson4686
Excellent quality

These cables work flawlessly. Setup was smooth and the service team followed up after delivery. Zero downtime so far.

J
Joseph Morris4185
Great service

The cables are reliable and shipping was fast. Customer support is very professional. Zero downtime so far.

L
Layla Cooper
Flawless performance

The switch runs quietly and the VLAN setup was effortless. Delivery was fast and support answered my pre?sales questions clearly. Zero packet loss so far.

G
Gabriel Cooper4043
Perfect for our needs

The cables integrate well in our network. The store packaging and updates were excellent. Zero downtime so far.

Refund Policy

At Network-switch.com, we aim to provide the best customer experience and ensure that your purchases meet your expectations. If for any reason you are not satisfied with your purchase, please read our return and refund policy below to understand your options.

Returns

You have the right to return products purchased from Network-switch.com under the following conditions:

Eligibility for Return: Items can be returned within 30 days from the date of delivery, provided that the product is in its original condition, unused, and in the original packaging.

Non-returnable Items: Certain items such as personalized or custom-made products, and items marked as non-returnable at the time of purchase, cannot be returned.

Return Process: To initiate a return, please contact our customer support team at help@network-switch.com. You will be provided with instructions on how to return the product and obtain a return authorization number if necessary.

Refunds

Refund Process: Once we receive your returned item and inspect it, we will process your refund to the original method of payment within 7-10 business days.

Refund Conditions: Refunds will be issued for the purchase price of the item, excluding any shipping, handling, or other additional fees. If the product is returned damaged, used, or missing parts, a partial refund may be issued.

Exchanges

If you would prefer to exchange an item for a different size, color, or model, please follow the same return process. Once we receive the returned product, we will send the replacement at no additional charge, based on availability.

Shipping Costs

Return Shipping Fees: You are responsible for paying the return shipping costs unless the item is defective, damaged, or incorrect.

Refund for Shipping Costs: Shipping costs are non-refundable, except in the case of defective or incorrect items.

Damaged or Incorrect Items

If you receive a damaged or incorrect item, please contact our customer service team within 7 days of receiving the product. We will exchange once the return is received.

Contact Us

If you have any questions or concerns about returns or refunds, please contact us at:
Email: help@network-switch.com

Before returning any products, please contact us to explain the issues you are experiencing. In many cases, we can resolve the problem through technical support, and you won't need to return the product.

If there are irreparable defects in the device, you can return it to us for repair or replacement under our twelve-month warranty. Simply reach out to us, and we will provide you with a return code, our return address, and any additional instructions.

Please do not return any items without first contacting us. We will guide you through the process, including the appropriate shipping methods.

Model Datasheet