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QSFP-H40G-CU1M, Cisco 40GBASE-CR4 Direct Attach Cable, 1m length/Passive copper/QSFP+

Name: QSFP-H40G-CU1M, Cisco 40GBASE-CR4 Direct Attach Cable, 1m length/Passive copper/QSFP+
SKU: QSFP-H40G-CU1M
Price: 147 USD
Availability: InStock
Rating: 5 (2 reviews)

Brand: Cisco
Model: QSFP-H40G-CU1M
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5/5.0

2 Reviews

21 Questions

List Price: $304.98

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$147.00

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QSFP-H40G-CU1M, Cisco 40GBASE-CR4 Direct Attach Cable, 1m length/Passive copper/QSFP+

100% Genuine Ready to Ship

$304.98

52% OFF

$147.00

Overview

Cisco QSFP-H40G-CU1M Overview

The Cisco QSFP-H40G-CU1M is a high-performance 40GBASE-CR4 direct-attach copper cable designed for enterprise and data center interconnects. This passive QSFP+ cable delivers short-distance 40G links with ultra-low latency and minimal power consumption at 1.5W, ideal for top-of-rack and aggregation switch connections. With a compact 1m length and robust commercial temperature support from 0 to 70°C, it simplifies high-density deployments for distributors, integrators, and end users across global networks.

Product Highlights

40GBASE

40G Speed

Cable Run

1.5W

Low Power

Product Applications Scenarios

Data Center

QSFP-H40G-CU1M delivers 40G server-to-switch links with low latency, reducing rack interconnect costs by up to 40% versus optics.

Cloud Services

Provides reliable 1m 40G aggregation for cloud pods, simplifying cabling and cutting power per link for dense clusters.

Enterprise Network

Enables high-bandwidth core and distribution uplinks, supporting campus backbones with easy plug-and-play deployment.

Product Features Comparison


Model	QSFP-H40G-CU1M, Cisco 40GBASE-CR4 Direct Attach Cable, 1m length/Passive copper/QSFP+	PWR-2811-DC, Cisco 2811 Router Power Supply, DC input, For 2811 Router, Security Bundle	AIR-CT2504-RMNT, Cisco 2500 Accessory, Wireless Controller Rack Mount Bracket	ASR1013/06-PWR-AC, Cisco ASR 1000 Series Power Supply, 1600W AC/Hot-swappable/ASR1013 compatible
Brand	Cisco	Cisco	Cisco	Cisco
Compatible Models	n/a	Cisco 2811 Router, Cisco 2811 Security Bundle	Cisco 2500 Accessory	n/a
Accessory Type	Direct-attach copper cable assembly	Power Supply	Mounting Bracket	n/a
Connector Type	n/a	2-pin DC connector	n/a	n/a
Mounting Method	n/a	n/a	Rack Mount	n/a
Certification	UL E116441, ELV Compliant, RoHS 6	RoHS, CE, FCC	n/a	n/a

Optional Add-ons

Model Number	Description
AIR-ANT58G9VOA-N	Cisco Aironet 5.8GHz 9dBi omni antenna for extended wireless coverage
AIR-PWRINJ-BLR2	Cisco Aironet PoE power injector for 1300 Series outdoor access points
C3KX-PWR-350WAC/2	Cisco Catalyst 3560-X 350W AC secondary hot-swappable power supply

Quality Certifications

Specification

Cisco QSFP-H40G-CU1M Specification

Model

QSFP-H40G-CU1M

Brand

Cisco

Description

Cisco 40GBASE-CR4 QSFP direct-attach copper cable, 1-meter, passive

Dimensions

13.5 x 18.4 x 72.4mm

Wavelength (nm)

Cable Type

Direct-attach copper cable assembly

Core Size (microns)

Modal Bandwidth (MHz-km)

Cable Distance

Power Consumption (W)

1.5

Pull Tab Color

Beige

Commercial temperature

0 to 70 ° C (32 to 158 ° F)

S torage temperature

-40 to 85 ° C (-40 to 185 ° F)

Standards

•GR-20-CORE: Generic Requirements for Optical Fiber and Optical Fiber Cable •GR-326-CORE: Generic Requirements for Single-Mode Optical Connectors and Jumper Assemblies •GR-1435-CORE: Generic Requirements for Multifiber Optical Connectors •IEEE 802.3ba (-SR4, -LR4) •IEEE 802.3ae (-CSR4) •QSFP+ MSA SFF-8436 •SFP+ MSA SFF-8431 and -8461 •RoHS 6

Safety

•Cable jacket of QSFP copper modules is UL E116441 Compliant •QSFP copper cables are ELV Compliant

Weight

1 kg

Get more information

Discover unbeatable prices and fast shipping for the QSFP-H40G-CU1M, Cisco 40GBASE-CR4 Direct Attach Cable, 1m length/Passive copper/QSFP+ . Access the detailed QSFP-H40G-CU1M, Cisco 40GBASE-CR4 Direct Attach Cable, 1m length/Passive copper/QSFP+ datasheet and ensure you're getting the best deal with our reliable delivery service. Need assistance? Our free live chat support is here to help. For more information about the product and pricing, contact us via live chat or email us at [email protected].

Quality Certifications

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Q&A

Questions & Answers

What common troubleshooting steps are needed for QSFP-H40G-CU1M?

Check for secure connections, ensure the devices' firmware is up-to-date, and verify cable compatibility with your network hardware.

What accessories are available for the QSFP-H40G-CU1M?

Accessories include cable management tools and additional Copper Twinax cables for varied lengths.

How does the QSFP-H40G-CU1M compare with similar products?

The QSFP-H40G-CU1M is more cost-effective for short-distance connections compared to optical modules, while offering high-speed, 40Gbps data transfer.

Why should I buy from router-switch.com?

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How cost-effective is the QSFP-H40G-CU1M for 40G networking?

The QSFP-H40G-CU1M offers a highly cost-effective solution for 40G networking, eliminating the need for additional modules.

What are the main characteristics of the QSFP-H40G-CU1M cable?

The QSFP-H40G-CU1M is a copper direct-attach cable with a 1-meter length, designed for 40GBASE-CR4 applications.

In what scenarios would I use the QSFP-H40G-CU1M cable?

It's ideal for short-distance connections within racks or adjacent racks, offering high-speed 40G connectivity.

How do I install the QSFP-H40G-CU1M cable?

Simply plug the QSFP connectors into the corresponding ports on your QSFP-capable devices. No configuration needed.

Does the QSFP-H40G-CU1M require any firmware upgrades?

No, the QSFP-H40G-CU1M itself does not require firmware upgrades.

Are there any alternative products to QSFP-H40G-CU1M?

Similar products include other lengths of Cisco QSFP copper cables, such as QSFP-H40G-CU3M and QSFP-H40G-CU5M.

What common issues might occur with the QSFP-H40G-CU1M?

Common issues include physical damage to connectors or cable, which can lead to connectivity problems.

What accessories are available for the QSFP-H40G-CU1M?

Accessories include cable management tools and protective caps for the QSFP connectors.

How does the QSFP-H40G-CU1M compare to optical alternatives?

QSFP-H40G-Cu1M is cost-effective and suitable for short distances, while optical alternatives support longer distances.

Is the QSFP-H40G-CU1M compatible with all Cisco QSFP ports?

Yes, the QSFP-H40G-CU1M is compatible with all Cisco devices that support QSFP ports for 40GBASE-CR4.

What is the Cisco QSFP-H40G-CU1M used for?

The Cisco QSFP-H40G-CU1M is used for connecting Cisco switches and routers within racks over short distances using a QSFP to QSFP copper direct-attach 40GBASE-CR4 cable.

How cost-effective is the QSFP-H40G-CU1M?

The Cisco QSFP-H40G-CU1M is a cost-effective solution for short-distance connections, eliminating the need for expensive optical transceivers.

What are the characteristics of the QSFP-H40G-CU1M?

The QSFP-H40G-CU1M features a direct-attach, copper-based, 40Gbps data transfer rate, and a 1-meter length for high-speed networking within data centers.

What are the application scenarios of the QSFP-H40G-CU1M?

The QSFP-H40G-CU1M is typically used in data centers and server farms for high-speed interconnects between switches and routers.

How do I install the QSFP-H40G-CU1M?

Simply insert the QSFP ends into the corresponding QSFP ports on your Cisco switches or routers for instant connectivity.

Does the QSFP-H40G-CU1M require any upgrades?

No, the QSFP-H40G-CU1M does not require any software or firmware upgrades; it provides plug-and-play functionality.

Are there alternative products to the QSFP-H40G-CU1M?

Yes, alternative products include other lengths of Cisco QSFP to QSFP copper direct-attach cables like the QSFP-H40G-CU3M and QSFP-H40G-ACU7M.

What common troubleshooting steps are needed for QSFP-H40G-CU1M?

Check for secure connections, ensure the devices' firmware is up-to-date, and verify cable compatibility with your network hardware.

What accessories are available for the QSFP-H40G-CU1M?

Accessories include cable management tools and additional Copper Twinax cables for varied lengths.

How does the QSFP-H40G-CU1M compare with similar products?

The QSFP-H40G-CU1M is more cost-effective for short-distance connections compared to optical modules, while offering high-speed, 40Gbps data transfer.

Why should I buy from router-switch.com?

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