Which port type is compatible with the QSFP-40G-CU5M?

It is compatible with any QSFP+ port conforming to the MSA (Multi-Source Agreement) on switches, routers, and servers.

Which vendors support the QSFP-40G-CU5M cable?

This cable is vendor-agnostic and interoperates with major QSFP+ ports from Cisco, Juniper, Arista, Mellanox, Brocade and other MSA-compliant devices.

Is the QSFP-40G-CU5M hot-pluggable?

Yes, the QSFP-40G-CU5M supports hot-plug insertion and removal without requiring system shutdown or reconfiguration.

Can the QSFP-40G-CU5M be used outdoors?

No, this cable is rated for indoor environments only and should be installed in climate-controlled data center or server room racks.

What operating temperature range does the QSFP-40G-CU5M support?

It operates reliably in ambient temperatures from 0 °C to 70 °C (32 °F to 158 °F), meeting standard data center requirements.

How much power does the QSFP-40G-CU5M consume?

As a passive cable assembly, the QSFP-40G-CU5M draws negligible power, typically under 0.1 W per end.

Does the QSFP-40G-CU5M feature EMI shielding?

Yes, the cable has integrated shielding in its copper pairs and connector housings to minimize electromagnetic interference.

How do I install the QSFP-40G-CU5M cable?

Align each QSFP+ connector with the device port, press until the latch clicks, and verify link status via your switch or host interface.

What are the performance benefits of using QSFP-40G-CU5M?

It delivers ultra-low latency, high throughput, and cost-effective 40 Gbps links without the complexity or power overhead of optical transceivers.

What warranty and support come with the QSFP-40G-CU5M?

The cable includes a one-year limited warranty and lifetime technical support for compatibility and installation guidance.

How does QSFP-40G-CU5M compare to fiber transceivers?

Compared to optical modules and fiber, the passive QSFP-40G-CU5M offers lower cost, reduced power consumption, and simpler installation for short-reach links up to 5 meters.

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QSFP-40G-CU5M

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Brand: Huawei
SKU: QSFP-40G-CU5M
Price: 105.00 USD
Availability: InStock
Rating: 4.3 (6 reviews)

Description:: QSFP+,40G,High Speed Direct-attach Cables,5m,QSFP+38M,CC8P0.40B(S),QSFP+38M,Used indoor
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QSFP-40G-CU5M Overview

QSFP-40G-CU5M is a QSFP direct attach copper cable engineered to deliver a 40G data rate for short-range connectivity in data centers, enterprise networks, and high-performance computing environments. This module features a QSFP form factor with integrated QSFP connectors designed specifically for 40G Ethernet, ensuring reliable performance over distances up to 5 meters.

QSFP-40G-CU5M is optimized for scenarios where high bandwidth and low latency are critical, offering a compact, low-power solution with minimal footprint. Its design complies with industry standards for Ethernet transmission, making it an ideal choice for modern, densely populated network infrastructures and telecom applications.

QSFP-40G-CU5M price is $105.00, a 87.3% saving from the Huawei list price of $829.00. QSFP-40G-CU5M is in stock and available for next-day dispatch. (terms applied)

Request bulk order quote for QSFP-40G-CU5M for additional pricing. Browse the full Huawei Transceivers series or explore all Huawei products.

QSFP-40G-CU5M Specifications

Product Type: Direct Attach Copper Cable
Form Factor: QSFP
Data Rate: 40G
Connector Type: QSFP
Wavelength: N/A
Transmission Distance: Short-Range
Fiber Type: N/A
Max Distance: 5m
Supported Protocols: 40G Ethernet
Network Interface: Ethernet
Power Consumption: N/A
Operating Temperature: 0 to 70°C
Storage Temperature: -40 to 85°C
Input Voltage: N/A
Compatibility: Cisco / Juniper / Huawei / Arista
Product Name: QSFP-40G-CU5M
Height: N/A
Width: N/A
Depth: N/A
Weight: N/A

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

Product Comparison Table

	QSFP-40G-CU5M	DWDM-SFPGE-1542-14	OSMD10N02	Huawei QSFP-4SFP10G-CU1M	SFP-FC4G-SW
Compatibility	Cisco / Juniper / Huawei / Arista	Cisco, Juniper, Huawei, Arista	Cisco / Juniper / Huawei / Arista	Huawei	Cisco, Juniper, Huawei, Arista
Connector Type	QSFP	LC	LC	QSFP and SFP+	LC
Data Rate	40G	1G	10G	10G	4G
Depth	N/A	N/A	1.0 inches	N/A	1.05 inches
Fiber Type	N/A	Single-mode	Multi-mode	N/A	Multi-mode
Form Factor	QSFP	SFP	SFP+	QSFP	SFP
Height	N/A	N/A	0.55 inches	N/A	0.30 inches
Input Voltage	N/A	3.3V	3.3V	N/A	3.3V
Max Distance	5m	80 km	300 meters	1m	300 meters
Network Interface	Ethernet	Fiber	Ethernet	Copper	Fiber
Operating Temperature	0 to 70°C	0 to 70°C	0 to 70°C	0 to 70°C	0 to 70°C
Power Consumption	N/A	1.2W	2.5W	N/A	N/A
Product Name	QSFP-40G-CU5M	DWDM-SFPGE-1542-14	OSMD10N02 10G SFP+ Transceiver	Huawei QSFP-4SFP10G-CU1M	SFP-FC4G-SW
Product Type	Direct Attach Copper Cable	Transceiver	Transceiver	Direct Attach Copper Cable Assembly	Transceiver
Storage Temperature	-40 to 85°C	-40 to 85°C	-40 to 85°C	-40 to 85°C	-40 to 85°C
Supported Protocols	40G Ethernet	Ethernet	Ethernet	Ethernet	Fibre Channel
Transmission Distance	Short-Range	Long-Range	Short-Range	Short-Range	Short-Range
Wavelength	N/A	1542 nm	850 nm	N/A	850 nm
Weight	N/A	N/A	0.1 lbs	N/A	0.1 lbs
Width	N/A	N/A	0.83 inches	N/A	0.65 inches

Reviews & Ratings

Byron Wallace

Reliable 5m DAC with stable 40G performance.

Calvin Rhodes

Low latency and strong build quality.

Lance Barrett

Ideal for short rack connections.

Preston Hayes

Consistent bandwidth in data centers.

Miles Donovan

Easy installation and secure fit.

Jared Foster

Dependable 40G copper cable.

Questions & Answers

What is the QSFP-40G-CU5M direct-attach cable?

The QSFP-40G-CU5M is a 5 meter, QSFP+ to QSFP+ high-speed copper cable assembly designed for 40 Gbps data transmission in indoor networking environments.

What data rate does the QSFP-40G-CU5M support?

This cable supports up to 40 Gbps aggregate bandwidth, enabling low-latency, high-performance interconnects in data center switches and servers.

What is the maximum reach of the QSFP-40G-CU5M?

The QSFP-40G-CU5M provides reliable 40 Gbps connectivity over a fixed length of 5 meters.

Is the QSFP-40G-CU5M cable passive or active?

The QSFP-40G-CU5M is a passive copper direct-attach cable, requiring no external power or signal conditioning for runs up to 5 meters.

Related Searches Huawei Transceivers

QSFP-40G-CU3M QSFP-40G-CU1M Huawei QSFP-4SFP10G-CU5M Huawei QSFP-4SFP10G-CU1M Huawei QSFP-4SFP10G-CU3M CXP-100G-CU1M5 CXP-100G-CU3M SFP-10G-CU1M

QSFP-40G-CU5M Overview

QSFP-40G-CU5M price is $105.00, a 87.3% saving from the Huawei list price of $829.00. QSFP-40G-CU5M is in stock and available for next-day dispatch. (terms applied)

Request bulk order quote for QSFP-40G-CU5M for additional pricing. Browse the full Huawei Transceivers series or explore all Huawei products.

QSFP-40G-CU5M Specifications

Product Type

Direct Attach Copper Cable

Form Factor

QSFP

Data Rate

40G

Connector Type

QSFP

Wavelength

N/A

Transmission Distance

Short-Range

Fiber Type

N/A

Max Distance

Supported Protocols

40G Ethernet

Network Interface

Ethernet

Power Consumption

N/A

Operating Temperature

0 to 70°C

Storage Temperature

-40 to 85°C

Input Voltage

N/A

Compatibility

Cisco / Juniper / Huawei / Arista

Product Name

QSFP-40G-CU5M

Height

N/A

Width

N/A

Depth

N/A

Weight

N/A

Product Comparison Table

	QSFP-40G-CU5M	DWDM-SFPGE-1542-14	OSMD10N02	Huawei QSFP-4SFP10G-CU1M	SFP-FC4G-SW
Compatibility	Cisco / Juniper / Huawei / Arista	Cisco, Juniper, Huawei, Arista	Cisco / Juniper / Huawei / Arista	Huawei	Cisco, Juniper, Huawei, Arista
Connector Type	QSFP	LC	LC	QSFP and SFP+	LC
Data Rate	40G	1G	10G	10G	4G
Depth	N/A	N/A	1.0 inches	N/A	1.05 inches
Fiber Type	N/A	Single-mode	Multi-mode	N/A	Multi-mode
Form Factor	QSFP	SFP	SFP+	QSFP	SFP
Height	N/A	N/A	0.55 inches	N/A	0.30 inches
Input Voltage	N/A	3.3V	3.3V	N/A	3.3V
Max Distance	5m	80 km	300 meters	1m	300 meters
Network Interface	Ethernet	Fiber	Ethernet	Copper	Fiber
Operating Temperature	0 to 70°C	0 to 70°C	0 to 70°C	0 to 70°C	0 to 70°C
Power Consumption	N/A	1.2W	2.5W	N/A	N/A
Product Name	QSFP-40G-CU5M	DWDM-SFPGE-1542-14	OSMD10N02 10G SFP+ Transceiver	Huawei QSFP-4SFP10G-CU1M	SFP-FC4G-SW
Product Type	Direct Attach Copper Cable	Transceiver	Transceiver	Direct Attach Copper Cable Assembly	Transceiver
Storage Temperature	-40 to 85°C	-40 to 85°C	-40 to 85°C	-40 to 85°C	-40 to 85°C
Supported Protocols	40G Ethernet	Ethernet	Ethernet	Ethernet	Fibre Channel
Transmission Distance	Short-Range	Long-Range	Short-Range	Short-Range	Short-Range
Wavelength	N/A	1542 nm	850 nm	N/A	850 nm
Weight	N/A	N/A	0.1 lbs	N/A	0.1 lbs
Width	N/A	N/A	0.83 inches	N/A	0.65 inches

Questions & Answers

What is the QSFP-40G-CU5M direct-attach cable?

The QSFP-40G-CU5M is a 5 meter, QSFP+ to QSFP+ high-speed copper cable assembly designed for 40 Gbps data transmission in indoor networking environments.

What data rate does the QSFP-40G-CU5M support?

This cable supports up to 40 Gbps aggregate bandwidth, enabling low-latency, high-performance interconnects in data center switches and servers.

What is the maximum reach of the QSFP-40G-CU5M?

The QSFP-40G-CU5M provides reliable 40 Gbps connectivity over a fixed length of 5 meters.

Is the QSFP-40G-CU5M cable passive or active?

The QSFP-40G-CU5M is a passive copper direct-attach cable, requiring no external power or signal conditioning for runs up to 5 meters.