Table of Contents
HPE QSFP+ Transceivers provide high‑density 40Gb connectivity for modern data centers, delivering reliable performance, low power consumption, and seamless integration with HPE servers, switches, and interconnects.
HPE QSFP+ Transceivers enable standards‑based 40Gb Ethernet deployment across HPE networking and compute platforms. Models such as the 40Gb QSFP+ MPO SR4 (720187‑B21) and 40Gb QSFP+ Bidirectional (841716‑B21) provide flexible optical options for leaf–spine fabrics and blade enclosure networks. Validated interoperability and HPE Services support ensure consistent performance and streamlined lifecycle management.
Overview
Models | |
| HPE BladeSystem c-Class 40Gb QSFP+ MPO SR4 100m Transceiver | 720187-B21 |
| HPE 40Gb QSFP+ Bidirectional Transceiver | 841716-B21 |
Service and Support
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.
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
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.
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
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
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
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:
https://www.hpe.com/services/lifecycle
For a list of the most frequently purchased services using service credits, see the HPE Service Credits Menu
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
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.
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 QuickSpecs, or the technical product data sheet will not be provided, repaired, or replaced as part of these services.
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/
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
Consume IT On Your Terms
HPE 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, HPE 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
Technical Specifications
| HPE BladeSystem c-Class 40Gb QSFP + MPO SR4 100m Transceiver (720187-B21) | Notes: A 40-Gigabit transceiver in QSFP+ form-factor that supports the 4x10-Gigabit SR standard, providing 40-Gigabit connectivity up to 100m on multimode fiber. | ||
| Ports | 1 MPO 40-GbE port (IEEE 802.3ba Type 40Gbase-SR4) | ||
| Connectivity | Connector type | MPO | |
| Wavelength | 850 nm | ||
| Physical characteristics | Dimensions | 5.19(d) x 0.72(w) x 0.54(h) in. (13.18 x 1.835 x 1.371 cm) | |
| Weight | 0.08 lb. (35 g) | ||
| Transceiver form factor | QSFP+ | ||
| Environment | Operating temperature | 32°F to 158°F (0°C to 70°C) | |
| Operating relative humidity | 0% to 85%, noncondensing | ||
| Nonoperating/Storage temperature | −40°F to 185°F (−40°C to 85°C) | ||
| Electrical characteristics | Voltage supply | 3.3 V | |
| Power consumption maximum | 1.5 W | ||
| Cabling | Cable type | OM3, OM4 | |
| Cable length | Up to 100 m (OM3); up to 150 m (OM4) | ||
| Fiber type | Multimode | ||
| Notes | For fiber patch cords, use Ultra Physical Contact (UPC) surface termination/polish. Angled Physical Contact (APC) is not recommended. | ||
| Services | Refer to the Hewlett Packard Enterprise website at: http://www.hp.com/services/bladesystem 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. | ||
| HPE BladeSystem c-Class 40Gb QSFP + MPO SR4 300m Transceiver (747698-B21) | Notes: A 40-Gigabit transceiver in QSFP+ form-factor that supports the 4x10-Gigabit SR standard, providing 40-Gigabit connectivity up to 300m on using standard MPO connector with multimode fiber. | ||
| Ports | 1 MPO 40-GbE port (IEEE 802.3ba Type 40Gbase-SR4) | ||
| Connectivity | Connector type | MPO | |
| Wavelength | 850 nm | ||
| Physical characteristics | Dimensions | 5.19(d) x 0.72(w) x 0.54(h) in. (13.18 x 1.835 x 1.371 cm) | |
| Weight | 0.08 lb. (35 g) | ||
| Transceiver form factor | QSFP+ | ||
| Environment | Operating temperature | 32°F to 158°F (0°C to 70°C) | |
| Operating relative humidity | 0% to 85%, noncondensing | ||
| Non-operating/Storage temperature | −40°F to 185°F (−40°C to 85°C) | ||
| Electrical characteristics | Voltage supply | 3.3 V | |
| Power consumption maximum | 1.5 W | ||
| Cabling | Cable type | OM3, OM4 | |
| Cable length | Up to 300 m (OM3); up to 400 m (OM4) | ||
| Fiber type | Multimode | ||
| Notes | For fiber patch cords, use Ultra Physical Contact (UPC) surface termination/polish. Angled Physical Contact (APC) is not recommended. | ||
| Services | Refer to the Hewlett Packard Enterprise website at: https://www.hpe.com/us/en/services/operational.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. | ||
| HPE BladeSystem c-Class 4x10G QSFP + MPO SR4 100m Transceiver (805755-B21) | Notes: A 40-Gigabit transceiver in QSFP+ form-factor that provides 4x10Gb connections using MPO to 4x10Gb LC Breakout Cable. This transceiver is designed only for use with HPE Virtual Connect FlexFabric 20/40 F8 Module. | |
| Ports | 1 MPO 40-GbE port (IEEE 802.3ba Type 40Gbase-SR4) | |
| Connectivity | Connector type | |
| Wavelength | ||
| Physical characteristics | Dimensions | |
| Weight | ||
| Transceiver form factor | ||
| Environment | Operating temperature | |
| Operating relative humidity | ||
| Non-operating/Storage temperature | ||
| Electrical characteristics | Voltage supply | |
| Power consumption maximum | ||
| Cabling | Cable type | |
| Cable length | ||
| Fiber type | ||
| Notes | For fiber patch cords, use Ultra Physical Contact (UPC) surface termination/polish. Angled Physical Contact (APC) is not recommended. | |
| Services | Refer to the Hewlett Packard Enterprise website at: https://www.hpe.com/us/en/services/operational.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. | |
| HPE BladeSystem c-Class 4x10G QSFP + MPO SR4 100m Transceiver (805755-B21) | Notes: A 40-Gigabit transceiver in QSFP+ form-factor that provides 4x10Gb connections using MPO to 4x10Gb LC Breakout Cable. This transceiver is designed only for use with HPE Virtual Connect FlexFabric 20/40 F8 Module. | ||
| Ports | 1 MPO 40-GbE port (IEEE 802.3ba Type 40Gbase-SR4) | ||
| Connectivity | Connector type | MPO | |
| Wavelength | 850 nm | ||
| Physical characteristics | Dimensions | 5.19(d) x 0.72(w) x 0.54(h) in. (13.18 x 1.835 x 1.371 cm) | |
| Weight | 0.08 lb. (35 g) | ||
| Transceiver form factor | QSFP+ | ||
| Environment | Operating temperature | 32°F to 158°F (0°C to 70°C) | |
| Operating relative humidity | 0% to 85%, noncondensing | ||
| Non-operating/Storage temperature | −40°F to 185°F (−40°C to 85°C) | ||
| Electrical characteristics | Voltage supply | 3.3 V | |
| Power consumption maximum | 1.5 W | ||
| Cabling | Cable type | OM3, OM4 | |
| Cable length | Up to 100 m (OM3); up to 150 m (OM4) | ||
| Fiber type | Multimode | ||
| Notes | For fiber patch cords, use Ultra Physical Contact (UPC) surface termination/polish. Angled Physical Contact (APC) is not recommended. | ||
| Services | Refer to the Hewlett Packard Enterprise website at: https://www.hpe.com/us/en/services/operational.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. | ||
Summary of Changes
| Date | Version History | Action | Description of Change |
|---|---|---|---|
| 16-Feb-2026 | Changed | New branding applied to document | |
| 04-Dec-2023 | Changed | Service and Support Section was updated | |
| 15-Nov-2021 | Changed | Service and Support Section was updated | |
| 06-May-2019 | Changed | Technical Specifications section was updated | |
| 05-Feb-2018 | Changed | Technical Specifications section was updated | |
| 31-Mar-2016 | Changed | Overview and Technical Specifications section were updated. | |
| Added | SKU added in Overview section: 841716-B21 | ||
| 11-Dec-2015 | Changed | Technical Specifications section was updated. QuickSpecs title was updated. | |
| 28-Sep-2015 | Changed | Overview and Technical Specifications sections were updated. | |
| 10-Jun-2014 | New | New QuickSpecs |
© 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.
c04312725, 14980 - Worldwide - V9 - 16-February-2026