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40G QSFP+ to CX4 DDR Direct Attach Copper Cable, 30AWG, Passive, 5M
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Product Highlights:
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40G QSFP+ to CX4 DDR direct attach copper cable with 5M length
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Passive 30AWG copper design for high-speed, low-latency connections
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Plug-and-play installation for data centers and HPC clusters
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FiberMania offers OEM/ODM customization including cable length, labeling, and connector types
Table of Contents
Description
The 40G QSFP+ to CX4 DDR Direct Attach Copper (DAC) Cable from FiberMania is a high-performance, cost-effective solution for short-distance, high-speed data connections. This passive copper cable is engineered for low-latency, high-bandwidth applications, offering reliable 40G connectivity between QSFP+ and CX4 ports.
Designed with 30AWG high-quality copper wire, the cable ensures signal integrity while maintaining energy efficiency. Its 5-meter length makes it ideal for intra-rack or inter-rack connections in data centers, HPC clusters, and enterprise networks. The passive design allows plug-and-play installation with minimal heat generation, making it an ideal choice for dense networking environments.
Specification
| Cable Type | Copper |
|---|---|
| Active / Passive | Passive |
| Connector Type | QSFP+ to CX4 |
| Cable Gauge | 30 AWG |
| Cable Length | 5 m |
| Fiber Type / Mode | N/A |
| Jacket Type / Color | N/A |
| Features / Notes | DDR DAC, short-range high-speed |
Features
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40G QSFP+ to CX4 DDR connection
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Passive copper construction with 30AWG wire
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Plug-and-play design with no additional power required
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5-meter cable length for intra-rack and short interconnects
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High signal integrity and low latency
Applications
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10-Gigabit Ethernet
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10GBASE-CX4 and SDR/DDR InfiniBand
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Communications between switches, routers, and HBAs
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Networked storage systems
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Computer cluster cross-connect
Q&A
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Can this cable be used for distances longer than 5 meters?
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Passive DAC cables are generally limited to short distances; for longer runs, consider active DAC or fiber solutions.
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Is the cable hot-pluggable?
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Yes, it supports hot-plugging without interruption to the network.
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Can custom lengths be manufactured?
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Yes, FiberMania provides OEM/ODM services for custom cable lengths.
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Is this compatible with all QSFP+ and CX4 devices?
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It is compatible with standard-compliant QSFP+ and CX4 ports; verify device specifications for optimal performance.
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What applications is this cable best suited for?
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Ideal for high-speed, short-distance connections in data centers, HPC clusters, and storage networks.
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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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