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40G QSFP+ to QSFP+ Direct Attach Copper Cable 24AWG Passive 10M QDR
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Product Highlights:
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40G QSFP+ to QSFP+ DAC cable, 24AWG, Passive, 10M
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Supports 40G Ethernet (40GBASE-CR4) and QDR InfiniBand
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Ideal for switches, routers, HBAs, and high-density data center interconnects
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FiberMania provides OEM/ODM customization, fast delivery, and quality assurance for tailored networking solutions
Table of Contents
Description
The 40G QSFP+ to QSFP+ Direct Attach Copper (DAC) Cable, 24AWG, 10 meters long, is designed for high-speed, short-range connectivity in modern data centers. It enables reliable 40Gbps links between QSFP+ ports, supporting 40G Ethernet and InfiniBand standards, making it suitable for high-performance computing and storage networks.
This passive DAC cable is ideal for connecting switches, routers, and host bus adapters (HBA) across adjacent racks or within the same rack. Its plug-and-play design requires no additional configuration, simplifying deployment while ensuring consistent performance and low latency.
Manufactured by FiberMania, this DAC cable is built to rigorous quality standards, offering durability, precise signal integrity, and long-term reliability for demanding networking environments.
Specification
| Cable Type | Copper |
|---|---|
| Active / Passive | Passive |
| Connector Type | QSFP+ to QSFP+ |
| Cable Gauge | 24 AWG |
| Cable Length | 10 m |
| Data Rate / Protocol | 40 Gbps QDR |
| Features / Notes | High-speed QDR passive |
Features
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QSFP+ to QSFP+ connectors for seamless interconnect
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24AWG copper wire for low resistance and high-speed signal transmission
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Passive design for energy-efficient operation
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Plug-and-play installation with no configuration required
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Supports 40Gbps data rate for QDR InfiniBand and 40G Ethernet
Applications
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40Gigabit Ethernet (40GBASE-CR4)
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InfiniBand SDR, DDR, QDR networks
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Networked storage systems
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Switch-to-switch, router-to-router, and HBA connectivity
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Computer cluster cross-connects and data center interconnects
Q&A
Q1: Can this 10M DAC cable support both 40G Ethernet and QDR InfiniBand?
A1: Yes, it is fully compatible with both standards for high-speed connectivity.
Q2: Is the 10-meter length customizable?
A2: Yes, FiberMania provides OEM/ODM services for custom lengths.
Q3: Does the passive DAC require external power?
A3: No, the cable is plug-and-play and operates without external power.
Q4: Can it be used in high-density rack environments?
A4: Yes, it is designed for short-range, high-density data center deployments.
Q5: How is signal integrity ensured?
A5: Each cable is tested for insertion loss, return loss, and crosstalk to guarantee reliable performance.
Featured DACs & AOCs Comparison Guide
| SKU | Cable Type | Data Rate | Form Factor A | Form Factor B | Wire Type | Length |
| AOC-100GQSFP28-5 | AOC | 100G | QSFP28 | QSFP28 | OM4 Fiber Cable | 5M |
| AOC-10GSFP-10 | AOC | 10G | SFP+ | SFP+ | OM4 Fiber Cable | 10M |
| AOC-25GSFP28-3 | AOC | 25G | SFP28 | SFP28 | OM4 Fiber Cable | 3M |
| AOC-40GQSFP-10 | AOC | 40G | QSFP+ | QSFP+ | OM3 Fiber Cable | 10M |
| AOC-QSFP-10G4SFP-5 | AOC | 40G | QSFP+ | 4*SFP+ | OM3 Fiber Cable | 5M |
| AOC-QSFP28-4SFP28-3 | AOC | 100G | QSFP28 | 4×SFP28 | OM3 Fiber Cable | 3M |
| DAC-100GQSFP28-25G4SFP28-P5 | DAC | 100G | QSFP28 | 4×SFP28 | 24AWG | 5M |
| DAC-100GQSFP28-P3 | DAC | 100G | QSFP28 | QSFP28 | 26AWG | 3M |
| DAC-10GCX4-P05 | DAC | 10G | CX4 | CX4 | 28AWG | 3M |
| DAC-10GSFP-P10 | DAC | 10G | SFP+ | SFP+ | 24AWG | 10M |
| DAC-400GQSFP-P5 | DAC | 400G | QSFP-DD | QSFP-DD | 30AWG | 5M |
| DAC-40GQSFP-P07 | DAC | 40G | QSFP+ | QSFP+ | 28AWG | 7M |
| DAC-QSFP-10G4SFP-P03 | DAC | 40G | QSFP+ | 4 * SFP+ | 30AWG | 3M |
| DAC-SFP-P05 | DAC | 1.25G | SFP | SFP | 30AWG | 5M |
Quality Qulifications and Compliance
To get the detailed certification, please go to the Compliance.
Please Note: Our products comply with all internationally recognized and industry-standard specifications. For customized or special requirement products, we carry out testing and standards in accordance with the conformity criteria specified in the contract.
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