HPE 40G QSFP Direct Attach Copper Cable: технические характеристики и документация
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HPE 40Gb QSFP Direct Attach Copper Cable QuickSpecs
HPE 40Gb QSFP Direct Attach Copper Cables deliver a cost-effective, low-latency solution for short-reach 40Gb Ethernet connectivity, providing reliable performance with low power consumption across supported HPE networking platforms. The HPE 40Gb QSFP Direct Attach Copper Cable portfolio supports high-speed, short-distance connections using a passive copper design that eliminates the need for separate transceivers. Validated for use with HPE servers, switches, and interconnects, these cables offer low latency, reduced power usage, and flexible QSFP+-to-QSFP+ and splitter configurations for efficient data center deployments. |
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Models |
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HPE BladeSystem c-Class 40G QSFP+ to 4x10G SFP+ 3m Direct Attach Copper Splitter Cable |
721064-B21 |
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HPE Services No matter where you are in your digital transformation journey, you can count on HPE Services to deliver the expertise you need when, where and how you need it. From planning to deployment, ongoing operations and beyond, our experts can help you realize your digital ambitions. https://www.hpe.com/services |
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Consulting Services No matter where you are in your journey to hybrid cloud, experts can help you map out your next steps. From determining what workloads should live where, to handling governance and compliance, to managing costs, our experts can help you optimize your operations. https://www.hpe.com/services/consulting |
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HPE Managed Services HPE runs your IT operations, providing services that monitor, operate, and optimize your infrastructure and applications, delivered consistently and globally to give you unified control and let you focus on innovation. HPE Managed Services | HPE |
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Operational services Optimize your entire IT environment and drive innovation. Manage day-to-day IT operational tasks while freeing up valuable time and resources. Meet service-level targets and business objectives with features designed to drive better business outcomes. https://www.hpe.com/services/operational |
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HPE Complete Care Service HPE Complete Care Service is a modular, edge-to-cloud IT environment service designed to help optimize your entire IT environment and achieve agreed upon IT outcomes and business goals through a personalized experience. All delivered by an assigned team of HPE Services experts. HPE Complete Care Service provides: - A complete coverage approach -- edge to cloud - An assigned HPE team - Modular and fully personalized engagement - Enhanced Incident Management experience with priority access - Digitally enabled and AI driven customer experience https://www.hpe.com/services/completecare |
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HPE Tech Care Service HPE Tech Care Service is the operational support service experience for HPE products. The service goes beyond traditional support by providing access to product specific experts, an AI-driven digital experience, and general technical guidance to not only reduce risk but constantly search for ways to do things better. HPE Tech Care Service delivers a customer-centric, AI-driven, and digitally enabled customer experience to move your business forward. HPE Tech Care Service is available in three response levels. Basic, which provides 9x5 business hour availability and a 2-hour response time. Essential which provides a 15-minute response time 24x7 for most enterprise level customers, and Critical which includes a 6-hour repair commitment where available and outage management response for severity 1 incidents. https://www.hpe.com/services/techcare |
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HPE Lifecycle Services HPE Lifecycle Services provide a variety of options to help maintain your HPE systems and solutions at all stages of the product lifecycle. A few popular examples include: - Lifecycle Install and Startup Services: Various levels for physical installation and power on, remote access setup, installation and startup, and enhanced installation services with the operating system. - HPE Firmware Update Analysis Service: Recommendations for firmware revision levels for selected HPE products, taking into account the relevant revision dependencies within your IT environment. - HPE Firmware Update Implementation Service: Implementation of firmware updates for selected HPE server, storage, and solution products, taking into account the relevant revision dependencies within your IT environment. - Implementation assistance services: Highly trained technical service specialists to assist you with a variety of activities, ranging from design, implementation, and platform deployment to consolidation, migration, project management, and onsite technical forums. - HPE Service Credits: Access to prepaid services for flexibility to choose from a variety of specialized service activities, including assessments, performance maintenance reviews, firmware management, professional services, and operational best practices. Notes: To review the list of Lifecycle Services available for your product go to:
For a list of the most frequently purchased services using service credits, see the HPE Service Credits Menu |
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Other Related Services from HPE Services: HPE Education Services Training and certification designed for IT and business professionals across all industries. Broad catalogue of course offerings to expand skills and proficiencies in topics ranging from cloud and cybersecurity to AI and DevOps. Create learning paths to expand proficiency in a specific subject. Schedule training in a way that works best for your business with flexible continuous learning options. https://www.hpe.com/services/training |
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Defective Media Retention An option available with HPE Complete Care Service and HPE Tech Care Service and applies only to Disk or eligible SSD/Flash Drives replaced by HPE due to malfunction.
Consult your HPE Sales Representative or Authorized Channel Partner of choice for any additional questions and services options. |
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Parts and Materials HPE will provide HPE-supported replacement parts and materials necessary to maintain the covered hardware product in operating condition, including parts and materials for available and recommended engineering improvements.
Parts and components that have reached their maximum supported lifetime and/or the maximum usage limitations as set forth in the manufacturer's operating manual, product quick-specs, or the technical product data sheet will not be provided, repaired, or replaced as part of these services. |
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How to Purchase Services Services are sold by Hewlett Packard Enterprise and Hewlett Packard Enterprise Authorized Service Partners: - Services for customers purchasing from HPE or an enterprise reseller are quoted using HPE order configuration tools. - Customers purchasing from a commercial reseller can find services at https://ssc.hpe.com/portal/site/ssc/ |
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AI-Powered and Digitally Enabled Support Experience Achieve faster time to resolution with access to product-specific resources and expertise through a digital and data-driven customer experience
Sign into the HPE Support Center experience, featuring streamlined self-serve case creation and management capabilities with inline knowledge recommendations. You will also find personalized task alerts and powerful troubleshooting support through an intelligent virtual agent with seamless transition when needed to a live support agent. https://support.hpe.com/hpesc/public/home/signin |
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Consume IT On Your Terms GreenLake edge-to-cloud platform brings the cloud experience directly to your apps and data wherever they are-the edge, colocations, or your data center. It delivers cloud services for on-premises IT infrastructure specifically tailored to your most demanding workloads. With a pay-per-use, scalable, point-and-click self-service experience that is managed for you, GreenLake edge-to-cloud platform accelerates digital transformation in a distributed, edge-to-cloud world. - Get faster time to market - Save on TCO, align costs to business - Scale quickly, meet unpredictable demand - Simplify IT operations across your data centers and clouds To learn more about HPE Services, please contact your Hewlett Packard Enterprise sales representative or Hewlett Packard Enterprise Authorized Channel Partner. Contact information for a representative in your area can be found at "Contact HPE" https://www.hpe.com/us/en/contact-hpe.html
For more information http://www.hpe.com/services |
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HPE BladeSystem c-Class 40G QSFP+ to QSFP+ 1m Direct Attach Copper Cable (720196-B21) |
Connectivity |
Length |
3.28 ft. (1 m) |
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Physical characteristics |
Weight |
0.29 lb., Fully loaded the cable with a QSFP+ transceiver at each end of the cable | |
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Environment |
Operating temperature |
32°F to 158°F (0°C to 70°C) | |
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Operating relative humidity |
5% to 95%, noncondensing | ||
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Nonoperating/Storage temperature |
-4°F to 176°F (-20°C to 80°C) | ||
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Nonoperating/Storage relative humidity |
5% to 95%, noncondensing | ||
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Altitude |
Up to 10,000 ft. (3 km) | ||
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Electrical characteristics |
Notes |
0.042 watts maximum per transceiver end | |
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Notes |
Electrical Properties - Cable Characteristic Impedance: 100 ohms - Crosstalk between pairs: 26dB max - Time delay: 1.35 nsec/ft - BER: 10-15 max Physical Properties - Cable Diameter: 0.255" - Minimum Cable Bend Radius: 1.78" | ||
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Services |
Refer to the Hewlett Packard Enterprise website at: https://www.hpe.com/us/en/integrated-systems/bladesystem.html for details on the service-level descriptions and product numbers. For details about services and response times in your area, please contact your local Hewlett Packard Enterprise sales office. | ||
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HPE BladeSystem c-Class 40G QSFP+ to QSFP+ 3m Direct Attach Copper Cable (720199-B21) |
Connectivity |
Length |
9.84 ft. (3 m) |
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Physical characteristics |
Weight |
0.57 lb., Fully loaded the cable with a QSFP+ transceiver at each end of the cable | |
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Environment |
Operating temperature |
32°F to 158°F (0°C to 70°C) | |
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Operating relative humidity |
5% to 95%, noncondensing | ||
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Nonoperating/Storage temperature |
-4°F to 176°F (-20°C to 80°C) | ||
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Nonoperating/Storage relative humidity |
5% to 95%, noncondensing | ||
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Altitude |
Up to 10,000 ft. (3 km) | ||
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Electrical characteristics |
Notes |
0.042 watts maximum per transceiver end | |
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Notes |
Electrical Properties - Cable Characteristic Impedance: 100 ohms - Crosstalk between pairs: 26dB max - Time delay: 1.35 nsec/ft - BER: 10-15 max Physical Properties - Cable Diameter: 0.255" - Minimum Cable Bend Radius: 1.78" | ||
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Services |
Refer
to the Hewlett Packard Enterprise website at: https://www.hpe.com/us/en/integrated-systems/bladesystem.html
for details on the service-level descriptions and product numbers. For
details about services and response times in your area, please contact
your local Hewlett Packard Enterprise sales office. | ||
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HPE BladeSystem c-Class 40G QSFP+ to QSFP+ 5m Direct Attach Copper Cable (720202-B21) |
Connectivity |
Length |
16.4 ft. (5 m) |
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Physical characteristics |
Weight |
1.19 lb., Fully loaded the cable with a QSFP+ transceiver at each end of the cable | |
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Environment |
Operating temperature |
32°F to 158°F (0°C to 70°C) | |
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Operating relative humidity |
5% to 95%, noncondensing | ||
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Nonoperating/Storage temperature |
-4°F to 176°F (-20°C to 80°C) | ||
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Nonoperating/Storage relative humidity |
5% to 95%, noncondensing | ||
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Altitude |
Up to 10,000 ft. (3 km) | ||
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Electrical characteristics |
Notes |
0.042 watts maximum per transceiver end | |
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Notes |
Electrical Properties
Physical Properties
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Services |
Refer to the Hewlett Packard Enterprise website at: https://www.hpe.com/us/en/integrated-systems/bladesystem.html for details on the service-level descriptions and product numbers. For details about services and response times in your area, please contact your local Hewlett Packard Enterprise sales office. | ||
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HPE BladeSystem c-Class 40G QSFP+ to QSFP+ 0.35m Direct Attach Copper Cable (730907-B21) |
Connectivity |
Length |
1.15 ft. (0.35 m) |
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Physical characteristics |
Weight |
0.17 lb., Fully loaded the cable with a QSFP+ transceiver at each end of the cable | |
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Environment |
Operating temperature |
32°F to 158°F (0°C to 70°C) | |
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Operating relative humidity |
5% to 95%, noncondensing | ||
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Nonoperating/Storage temperature |
-4°F to 176°F (-20°C to 80°C) | ||
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Nonoperating/Storage relative humidity |
5% to 95%, noncondensing | ||
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Altitude |
Up to 10,000 ft. (3 km) | ||
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Electrical characteristics |
Notes |
0.042 watts maximum per transceiver end | |
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Notes |
Electrical Properties - Cable Characteristic Impedance: 100 ohms - Crosstalk between pairs: 26dB max - Time delay: 1.35 nsec/ft - BER: 10-15 max Physical Properties - Cable Diameter: 0.255" - Minimum Cable Bend Radius: 1.78" | ||
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Services |
Refer to the Hewlett Packard Enterprise website at: https://www.hpe.com/us/en/integrated-systems/bladesystem.html for details on the service-level descriptions and product numbers. For details about services and response times in your area, please contact your local Hewlett Packard Enterprise sales office. | ||
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HPE BladeSystem c-Class 40G QSFP+ to 4x10G SFP+ 3m Direct Attach Copper Splitter Cable (721064-B21) |
Connectivity |
Length |
9.84 ft. (3 m) |
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Physical characteristics |
Weight |
1.62 lb., Fully loaded the cable with a QSFP+ transceiver at one end and 4 SFP+ transceivers at the other end of the cable | |
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Environment |
Operating temperature |
32°F to 158°F (0°C to 70°C) | |
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Operating relative humidity |
5% to 95%, noncondensing | ||
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Nonoperating/Storage temperature |
-4°F to 176°F (-20°C to 80°C) | ||
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Nonoperating/Storage relative humidity |
5% to 95%, noncondensing | ||
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Altitude |
Up to 10,000 ft. (3 km) | ||
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Electrical characteristics |
Notes |
0.042 watts maximum at QSFP+ transceiver end | |
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Notes |
Electrical Properties - Cable Characteristic Impedance: 100 ohms - Crosstalk between pairs: 26dB max - Time delay: 1.32 nsec/ft - BER: 10-15 max Physical Properties - Cable Diameter: 0.175" for each SFP+ fan out cable - Minimum Cable Bend Radius SFP+ end: 0.7" - Minimum Cable Bend Radius QSFP+ end: 1.78" | ||
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Services |
Refer to the Hewlett Packard Enterprise website at: https://www.hpe.com/us/en/integrated-systems/bladesystem.html for details on the service-level descriptions and product numbers. For details about services and response times in your area, please contact your local Hewlett Packard Enterprise sales office. | ||
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HPE BladeSystem c-Class 40G QSFP+ to 4x10G SFP+ 5m Direct Attach Copper Splitter Cable (721067-B21) |
Connectivity |
Length |
16.4 ft. (5 m) |
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Physical characteristics |
Weight |
3.09 lb., Fully loaded the cable with a QSFP+ transceiver at one end and 4 SFP+ transceivers at the other end of the cable | |
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Environment |
Operating temperature |
32°F to 158°F (0°C to 70°C) | |
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Operating relative humidity |
5% to 95%, noncondensing | ||
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Nonoperating/Storage temperature |
-4°F to 176°F (-20°C to 80°C) | ||
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Nonoperating/Storage relative humidity |
5% to 95%, noncondensing | ||
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Altitude |
Up to 10,000 ft. (3 km) | ||
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Electrical characteristics |
Notes |
0.042 watts maximum at QSFP+ transceiver end | |
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Notes |
Electrical Properties - Cable Characteristic Impedance: 100 ohms - Crosstalk between pairs: 26dB max - Time delay: 1.32 nsec/ft - BER: 10-15 max Physical Properties - Cable Diameter: 0.215" for each SFP+ fan out cable - Minimum Cable Bend Radius SFP+ end: 1.0" - Minimum Cable Bend Radius QSFP+ end: 2.45" | ||
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Services |
Refer to the Hewlett Packard Enterprise website at: https://www.hpe.com/us/en/integrated-systems/bladesystem.html for details on the service-level descriptions and product numbers. For details about services and response times in your area, please contact your local Hewlett Packard Enterprise sales office. | ||
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Date |
Version History |
Action |
Description of Change |
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16-Feb-2026 |
Version 4 |
Changed |
New branding applied to document |
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04-Dec-2023 |
Version 3 |
Changed |
Service and Support Section was updated |
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15-Nov-2021 |
Version 2 |
Changed |
Service and Support Section was updated |
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10-Jun-2016 |
Version 1 |
Created |
New QuickSpecs |
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Have feedback on QuickSpecs? We're listening | |
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Chat now | |
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© Copyright 2026 Hewlett Packard Enterprise Development LP. The information contained herein is subject to change without notice. The only warranties for Hewlett Packard Enterprise products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. Hewlett Packard Enterprise shall not be liable for technical or editorial errors or omissions contained herein.
To learn more, visit: https://www.hpe.com/us/en/integrated-systems/bladesystem.html
c05267078 - 15676 - Worldwide - V4 - 16-February-2026 | ||
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