845966-B21 HPE 100Gb QSFP28 MPO SR4 100m network transceiver module Fiber optic 100000 Mbit/s 850 nm
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100Gb QSFP28 MPO SR4 100m
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845966-B21 Overview
HPE 845966-B21 100gb Qsfp28 Mpo Sr4 100m Transceiver.
100Gb QSFP28 MPO SR4 100m Transceiver
- QSFP28 Fiber optic 100000 Mbit/s
- Wavelength: 850 nm
- Power consumption (typical): 3.5 W
Summary Description
HPE 100Gb QSFP28 MPO SR4 100m. SFP transceiver type: Fiber optic, Maximum data transfer rate: 100000 Mbit/s, Interface type: QSFP28. Power consumption (typical): 3.5 W. Width: 72.7 mm, Depth: 8.5 mm, Height: 18.4 mm
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Specifications
Overview
| Condition | Refurbished |
|---|---|
| Brand | HPE |
| Stock | In Stock |
Performance
| SFP transceiver type | Fiber optic |
|---|---|
| Maximum data transfer rate | 100000 Mbit/s |
| Interface type | QSFP28 |
| Multi-mode fiber (MMF) supported | Yes |
| Fiber optic connector | MPO |
| SFP transceiver standard | SR4 |
| Maximum transfer distance | 100 m |
| Wavelength | 850 nm |
Power
| Power consumption (typical) | 3.5 W |
|---|
Operational conditions
| Operating temperature (T-T) | 0 - 70 °C |
|---|---|
| Storage temperature (T-T) | -40 - 85 °C |
| Operating relative humidity (H-H) | 0 - 85% |
Weight & dimensions
| Width | 72.7 mm |
|---|---|
| Depth | 8.5 mm |
| Height | 18.4 mm |
| Weight | 36.3 g |
Logistics data
| Harmonized System (HS) code | 85369010 |
|---|
Resources
Frequently Asked Questions
What is the maximum reach of the HPE 845966-B21 QSFP28 transceiver? +
The HPE 845966-B21 is an SR4 (Short Range 4) transceiver designed to support 100GbE connectivity over multi-mode fiber. It provides reliable data transmission at distances of up to 100 meters when utilizing OM4 multi-mode fiber optic cabling, making it an ideal choice for high-speed interconnects within data center rows or between adjacent server racks.
Does the 845966-B21 module support breakout configurations? +
Yes, this QSFP28 SR4 module can be utilized in breakout scenarios when paired with compatible 100GbE switch ports. By using MPO to LC breakout cables, network administrators can effectively split a single 100GbE QSFP28 port into four distinct 25GbE SFP28 connections, providing the flexibility needed to support a mix of high-density server and storage connectivity requirements.
Which interface connector type does this HPE 100Gb transceiver use? +
This module features an MPO (Multi-fiber Push-On) interface. MPO connectors are essential for 100G SR4 applications because they allow for the parallel transmission of data across multiple fiber strands simultaneously. Ensure your infrastructure utilizes MPO-terminated multi-mode fiber cables to maintain signal integrity and achieve the full 100Gbps throughput capacity supported by this transceiver.
Is the HPE 845966-B21 compatible with non-HPE switching hardware? +
While specifically engineered for HPE server and networking platforms to ensure optimal performance and firmware compatibility, this transceiver adheres to industry-standard QSFP28 protocols. However, it is always recommended to verify that your specific switch or network adapter supports HPE-branded optics to avoid potential port-level initialization errors or platform lock-out security policies.
How does the SR4 technology improve data center performance? +
SR4 technology utilizes parallel optics to deliver high bandwidth with extremely low latency. By transmitting data across four lanes, each operating at 25Gbps, this module effectively achieves a 100Gbps aggregate rate. This is particularly beneficial for high-performance computing clusters and virtualization environments where rapid data movement and low-latency storage access are critical for overall system efficiency.
What kind of management or configuration is required for this module? +
As a plug-and-play transceiver, the 845966-B21 does not require manual software configuration. Once inserted into a compatible QSFP28 slot, the host switch automatically performs a handshaking process to detect the module's ID and operational parameters. Diagnostic monitoring, such as optical signal strength and temperature, can be retrieved directly through the switch’s command-line interface or management console.
Is this QSFP28 module suitable for high-density networking environments? +
Absolutely. The QSFP28 form factor is specifically designed to maximize port density on line cards and top-of-rack switches. By offering 100Gbps connectivity in a compact, hot-swappable module, this unit allows network architects to scale their bandwidth significantly without needing additional rack space, making it a cornerstone component for modern, high-density leaf-and-spine network architectures.
Does the 845966-B21 module support Digital Optical Monitoring (DOM)? +
Yes, this transceiver supports Digital Optical Monitoring, a critical feature for proactive network maintenance. DOM allows administrators to monitor real-time parameters such as optical output power, input power, temperature, and transceiver supply voltage. Accessing this data provides early warnings regarding cable degradation or hardware failure, helping to prevent unexpected downtime in mission-critical network deployments.
Can I request a bulk quote for large-scale infrastructure projects at BuyRouterSwitch.com? +
Certainly. BuyRouterSwitch.com specializes in providing competitive pricing for large-scale enterprise rollouts. If you are planning a deployment that requires a high volume of 845966-B21 transceivers, please contact our sales department directly. We are experienced in handling complex procurement requests and can provide a tailored quote that meets your project's specific budgetary and scaling requirements.
Why should I choose BuyRouterSwitch.com for my HPE optical transceiver needs? +
BuyRouterSwitch.com is a trusted source for authentic enterprise-grade networking equipment. We prioritize supply chain integrity, ensuring that all products provided are genuine and meet the rigorous specifications required by your hardware. When you source from us, you benefit from our streamlined procurement process and professional expertise, ensuring that you receive the correct, high-performance hardware needed to keep your network infrastructure operational.
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