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Axiom QSFP-40G-C3M-AX 40GBASE-CR4 QSFP+ Passive DAC Cable for Alcatel - 3m (9. 8 ft) Twinaxial Network Cable

SKU: QSFP-40G-C3M-AX
UPC: 841280125201
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MSRP: $194.37
$194.95
$156.95
Save: $37.42 (19.19%)
Warranty Information: Lifetime
Condition: New
Width: 1.23 (cm)
Height: 1.23 (cm)
Depth: 1.23 (cm)
Availability: Canada: Moderate Availability
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Product Features

Description

Product Overview

The Axiom QSFP-40G-C3M-AX is a 40GBASE-CR4 QSFP+ Passive Direct Attach Copper (DAC) cable engineered for high-speed data center and enterprise networking environments. This 3-meter (9.8 ft) twinaxial cable provides a reliable, cost-effective solution for short-reach connections between compatible network switches, routers, and servers.

Designed specifically for Alcatel networking equipment, this cable supports 40 Gbit/s data transfer rates with QSFP+ connectors on both ends. Its passive design ensures plug-and-play functionality without external power requirements, making it ideal for high-density deployments where simplicity and performance are critical.

Optics
40GbE
Link Speed
QSFP+ Network
Cable Specifications
Cable TypeTwinaxial
Cable Length9.8 ft (3 m)
Data Transfer Rate40 Gbit/s
Connector Details
Connector Type (Both Ends)QSFP+ Network
Connector Count (Each End)1 x QSFP+ Network
FeaturesPassive
Compatibility & Warranty
Device SupportedNetwork Device
Limited WarrantyLifetime

Technical Overview

This DAC cable operates at 40 Gbit/s per the 40GBASE-CR4 standard, utilizing twinaxial copper construction to deliver stable signal integrity over distances up to 3 meters. The QSFP+ connectors feature a compact, hot-pluggable form factor that supports high port density in modern networking hardware.

The passive architecture eliminates the need for signal conditioning electronics, reducing power consumption and heat generation while maintaining full 40GbE performance. This makes the cable suitable for environments where energy efficiency and thermal management are priorities.

Link Speed40 Gbit/s
Cable Length3 m (9.8 ft)
Connector TypeQSFP+ Network
40GBASE-CR4TwinaxialPassive DAC

Key Product Advantages

This cable offers several advantages for network infrastructure deployments. Its twinaxial construction provides robust electrical performance with lower latency compared to fiber alternatives for short distances, while the passive design ensures immediate compatibility without configuration overhead.

High-Density Connectivity

The QSFP+ connectors enable maximum port utilization in switches and routers, supporting scalable network architectures.

  • Compact form factor
  • Hot-pluggable design
  • Supports high port counts

Cost-Effective Performance

Delivers 40GbE speeds at a lower total cost of ownership compared to active optical cables or separate transceivers.

  • No external power required
  • Reduced component count
  • Lower per-port expense

Deployment / Use Cases

This DAC cable is optimized for interconnecting network devices within racks or between adjacent racks in data centers, enterprise server rooms, and high-performance computing environments. Its 3-meter length is ideal for top-of-rack switching configurations and short-distance spine-leaf architectures.

Common applications include connecting Alcatel switches to servers, linking switches in stacked configurations, and establishing high-speed links for storage area networks (SAN) or network-attached storage (NAS) systems. The cable's compatibility with standard QSFP+ ports ensures broad utility across modern 40GbE infrastructure.

Ports QSFP+ Network
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Highlights

  • 40 Gbit/s data transfer rate for high-performance networking
  • 3-meter (9.8 ft) twinaxial cable construction
  • QSFP+ connectors on both ends for consistent connectivity
  • Passive design requires no external power
  • Specifically compatible with Alcatel networking equipment
  • Hot-pluggable support for easy installation and maintenance
  • Lifetime limited warranty for long-term reliability
  • Ideal for high-density data center deployments
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerAxiom Memory Solutions
Manufacturer Part NumberQSFP-40G-C3M-AX
Brand NameAxiom
Product Name40GBASE-CR4 QSFP+ Passive DAC Cable for Alcatel 3m - QSFP-40G-C3M
Product TypeNetwork Cable
Technical Information
Cable TypeTwinaxial
Cable Length9.8 ft (3 m)
Connector Type on First EndQSFP+ Network
Connector on First End Details1 x QSFP+ Network
Connector Type on Second EndQSFP+ Network
Connector on Second End Details1 x QSFP+ Network
Device SupportedNetwork Device
Data Transfer Rate40 Gbit/s
FeaturesPassive
Warranty
Limited WarrantyLifetime
[/custom-specifications][custom-faq]

FAQ

What is the maximum data transfer rate of this DAC cable?

This cable supports a maximum data transfer rate of 40 Gbit/s (40GbE) per the 40GBASE-CR4 standard. It is designed for high-speed network connections between compatible devices, providing full 40GbE performance over its 3-meter length without signal degradation.

What type of connectors does this cable use?

The cable features QSFP+ Network connectors on both ends. Each end has a single QSFP+ connector, making it a direct-attach solution for connecting two devices with QSFP+ ports. The connectors are hot-pluggable and support the high-density port configurations common in modern networking equipment.

What does 'passive' mean for this DAC cable?

Passive means the cable does not contain active signal conditioning electronics or require external power. It relies on the electrical properties of its twinaxial construction to transmit signals up to 3 meters. This results in simpler deployment, lower power consumption, and reduced heat generation compared to active cables.

What networking equipment is this cable compatible with?

This cable is designed for compatibility with Alcatel networking devices that feature QSFP+ ports. It supports standard 40GBASE-CR4 connections for network devices such as switches, routers, and servers. Always verify specific model compatibility with your equipment's documentation before deployment.

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Axiom QSFP-40G-C3M-AX 40GBASE-CR4 QSFP+ Passive DAC Cable for Alcatel - 3m (9. 8 ft) Twinaxial Network Cable
MSRP: $194.37
$194.95
$156.95
Save: $37.42 (19.19%)
Available & Ready to Ship