Table of Contents
HPE 25G and 100G Transceivers deliver high‑performance optical connectivity for modern data‑center, compute, and networking environments.
HPE 25G and 100G Transceivers provide standards‑based Ethernet connectivity that scales to meet high‑bandwidth infrastructure needs, with options ranging from 25Gb SFP28 SR optics to versatile 100Gb QSFP28 modules including SR4, bidirectional, and multi‑protocol variants. Validated interoperability and support from HPE Services help ensure consistent performance, streamlined operations, and simplified lifecycle management across hybrid environments.
Overview
Models | |
| HPE 25Gb SFP28 SR 100m Transceiver | 845398-B21 |
| HPE 100Gb QSFP28 MPO SR4 100m Transceiver | 845966-B21 |
| HPE 100Gb QSFP28 Bidirectional Transceiver | 845972-B21 |
| HPE 100Gb QSFP28 SR1.2 LC MMF 100m Bidirectional Transceiver | P90358-B21 |
| HPE Synergy 100GbE/4x25GbE/4x32GbFC QSFP28 Transceiver | 882251-B21 |
Service and Support
For the most up-to-date information on HPE Services, please refer to the HPE Services – Supplemental QuickSpecs, which provides a comprehensive and regularly updated overview of available services.
Technical Specifications
| HPE 25Gb SFP28 SR 100m Transceiver (845398-B21) | Notes: A 25-Gigabit transceiver in SFP28 form-factor that supports the SR standard, providing 25-Gigabit connectivity up to 100 m on multimode fiber. This transceiver does not function at 10-Gigabit. | ||
| Ports | 1 LC 25-GbE port (IEEE 802.3 Type 25Gbase-SR) duplex full only | ||
| Connectivity | Connector type | LC | |
| Wavelength | 850 nm | ||
| Physical characteristics | Dimensions | 0.54 x 2.19 x 0.47 in. (13.8 x 55.7 x 11.9 mm) | |
| Weight | 0.04 lb. (20 g) | ||
| Transceiver form factor | SFP28 | ||
| 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 70 m (OM3); up to 100 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 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 100Gb QSFP28 MPO SR4 100m Transceiver (845966-B21) | Notes: A 100-Gigabit transceiver in QSFP28 form-factor that supports the 4x25-Gigabit SR4 standard, providing 100-Gigabit connectivity up to 100 m. | ||
| Ports | 1 MPO 100-GbE port (IEEE 802.3 Type 100Gbase-SR4) | ||
| Connectivity | Connector type | MPO | |
| Wavelength | 850 nm | ||
| Physical characteristics | Dimensions | 0.72 x 2.86 x 0.33 in. (18.35 x 72.7 x 8.5 mm) | |
| Weight | 0.08 lb. (36 g) | ||
| Transceiver form factor | QSFP28 | ||
| 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 | 3.5 W | ||
| Cabling | Cable type | OM3, OM4 | |
| Cable length | Up to 70 m (OM3); up to 100 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/servers.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 100Gb QSFP28 Bidirectional Transceiver (845972-B21) | Notes: A 100-Gigabit transceiver in QSFP28 form-factor that supports the 4x25-Gigabit Bidirectional standard, providing 100-Gigabit connectivity up to 100 m. | ||
| Ports | 1 LC 100-GbE port (IEEE 802.3 Type 100Gbase-Bidi) | ||
| Connectivity | Connector type | LC | |
| Wavelength | 855 nm / 908 nm | ||
| Physical characteristics | Dimensions | 0.73 x 5.07 x 0.51 in. (18.60 x 128.8 x 12.90 mm) | |
| Weight | 0.097 lb. (44 g) | ||
| Transceiver form factor | QSFP28 | ||
| Environment | Operating temperature | 50°F to 140°F (10°C to 60°C) | |
| Operating relative humidity | 5% to 95%, 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 | 3.5 W | ||
| Cabling | Cable type | OM3, OM4, OM5 | |
| Cable length | Up to 70 m (OM3); up to 100 m (OM4); up to 150 m (OM5) | ||
| 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/servers.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 100Gb QSFP28 SR1.2 LC MMF 100m Bidirectional Transceiver (P90358-B21) | Notes: A 100-Gigabit transceiver in QSFP28 form-factor that supports the 4x25-Gigabit 2nd Generation Bidirectional standard (SR1.2), providing 100-Gigabit connectivity up to 100 m. | ||
| Ports | 1 LC 100-GbE port (IEEE 802.3 Type 100Gbase-Bidi) | ||
| Connectivity | Connector type | LC | |
| Wavelength | 850 nm / 908 nm | ||
| Physical characteristics | Dimensions | 18.35 x 122.0 x 13.0 mm | |
| Weight | 44 g | ||
| Transceiver form factor | QSFP28 | ||
| Environment | Operating temperature | 0°C to 70°C | |
| Operating relative humidity | 0% to 85%, noncondensing | ||
| Non-operating/Storage temperature | −40°C to 85°C | ||
| Electrical characteristics | Voltage supply | 3.3 V | |
| Power consumption maximum | 3.5 W | ||
| Cabling | Cable type | OM3, OM4, OM5 | |
| Cable length | Up to 70 m (OM3); up to 100 m (OM4); up to 150 m (OM5) | ||
| Fiber type | Multimode | ||
| Notes: − For fiber patch cords, use Ultra Physical Contact (UPC) surface termination/polish. − Angled Physical Contact (APC) is not recommended. − 2nd generation (SR1.2) bidirectional transceivers are not compatible with 1st generation bidirectional transceivers because of a difference in their FEC (forwarding error correction) algorithms. | |||
| Services | Refer to the Hewlett Packard Enterprise website at: https://www.hpe.com/us/en/servers.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 100Gb/4x25G/4x32GFC QSFP28 Transceiver (882251-B21) | Ports | 1 MPO 100-GbE port (IEEE 802.3 Type 100Gbase-SR4) | |
| Connectivity | Connector type | MPO | |
| Wavelength | 850 nm | ||
| Physical characteristics | Dimensions | 0.72 x 4.81 x 0.51 in. (18.35 x 122.3 x 12.90 mm) | |
| Weight | 0.097 lb. (44 g) | ||
| Transceiver form factor | QSFP28 | ||
| Environment | Operating temperature | 32°F to 158°F (0°C to 70°C) | |
| Operating relative humidity | 5% to 95%, 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 | 3.5 W | ||
| Safety | IEC-60825 and CDRH eye safety compliance | Class 1 | |
| Cabling | Cable type | OM3, OM4 | |
| Cable length | Link distances 100 m OM4 (1.0 dB loss) and 85 m OM4 (1.5 dB loss) | ||
| 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/servers.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. | ||
Environment-friendly Products and Approach - End-of-life Management and Recycling
Hewlett Packard Enterprise offers end-of-life product return, trade-in, and recycling programs, in many geographic areas, for our products. Products returned to Hewlett Packard Enterprise will be recycled, recovered or disposed of in a responsible manner.
The EU WEEE Directive (2012/19/EU) requires manufacturers to provide treatment information for each product type for use by treatment facilities. This information (product disassembly instructions) is posted on the Hewlett Packard Enterprise web site. These instructions may be used by recyclers and other WEEE treatment facilities as well as Hewlett Packard Enterprise OEM customers who integrate and re-sell Hewlett Packard Enterprise equipment.
Summary of Changes
| Date | Version History | Action | Description of Change |
|---|---|---|---|
| 03-Aug-2026 | Updated | Overview, Service and Support, and Technical Specifications sections were updated. | |
| Added | SKU added: P90358-B21 HPE 100Gb QSFP28 SR1.2 BiDi XCVR | ||
| 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 | |
| 14-Jun-2021 | Changed | Technical specifications sections were updated | |
| 06-Apr-2021 | Changed | QuickSpecs was updated | |
| 16-Mar-2020 | Updated | Technical specification section was updated | |
| 03-Sep-2019 | Updated | Add 882251-B21 | |
| 04-Feb-2019 | Changed | Technical specifications sections were updated | |
| 03-Dec-2018 | Changed | Overview and Technical Specifications sections were updated. | |
| Added | SKU added: 845972-B21 | ||
| 01-Oct-2018 | Changed | Electrical characteristics section for SKU 845966-B21 was revised. | |
| 05-Feb-2018 | Changed | Technical specifications sections was updated | |
| 06-Jun-2016 | Created | 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.
c04939512, - 15520 - Worldwide - V13 - 03-August-2026