Network Switch 400G PAM4 QSFP-DD to 2x200G QSFP56 Direct Attach PVC Copper Cable, up to 3m
Safe, Fast, 100% Genuine. Your Reliable IT Partner.
Best Price Assurance, Bulk Savings, Trusted Worldwide.
Proven Expertise, Trusted Solutions
- 8 Years, 100+ Countries
- 10000+ Customers/Projects
- CCIE, CISSP, JNCIE, NSE 7 AWS, Google Cloud Experts
Join Partner Network
- Exclusive Discounts/Service
- Credit Terms/Priority Supply In Hongkong
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 2×200G QSFP56 Direct Attach Copper Cable (DAC), PVC, Passive, up to 3 m (10 ft)
Overview
The NS 400G PAM4 QSFP-DD to 2×200G QSFP56 Direct Attach Copper Cable (DAC) is a breakout copper interconnect designed for 400G-to-2×200G Ethernet connectivity in large-scale data centers, cloud infrastructures, and HPC environments.
Built with twinax copper cable and a PVC jacket, it offers 400 Gbps aggregate bandwidth split into two 200G channels via 8×50 Gbps PAM4 lanes. The passive version supports lengths up to 3 m (10 ft) with virtually zero power consumption, making it an ideal choice for short-range, in-rack deployments.
For extended reach, active DACs support up to 5 m (16 ft) while consuming ≤ 4 W per end. Its low latency, robust EMI immunity, and cost advantage over optical solutions make it perfect for high-density interconnect applications.
Compatible Brands
The NS 400G QSFP-DD to 2×200G QSFP56 DAC is validated to work seamlessly with switches and servers from Juniper, Arista and Dell.
Need assistance verifying compatibility with your equipment? [Contact Us Now] for direct support.
Key Specifications
| Specification | Details |
|---|---|
| Vendor Name | Network-Switch (NS) |
| Product Type | 400G PAM4 QSFP-DD to 2×200G QSFP56 Direct Attach Copper Cable (DAC) |
| Data Rate | 400 Gbps total, breakout into 2×200 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 2× 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-200G breakout, aggregation, server-to-switch interconnects |
Why Choose NS 400G QSFP-DD to 2×200G DAC?
-
Breakout performance: Splits one 400G port into two 200G channels.
-
Cost-efficient: Cheaper than optical breakout modules and AOCs.
-
Ultra-low latency: Direct copper design with no optical conversion.
-
Energy savings: Passive requires no power; active ≤ 4 W.
-
Broad interoperability: Validated with all leading switch and server vendors.
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
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.
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.