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HPE 845966-B21 QSFP28 MPO SR4100m Transceiver - 100GbE Optical Fiber Module for Multi-mode Networks

SKU: 845966-B21
UPC: 190017017907
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MSRP: $6,263.00
$6,263.00
$6,070.99
Save: $192.01 (3.07%)
Warranty Information: Covered by Manufacturer
Condition: New
Width: 1.83 (cm)
Height: 0.84 (cm)
Depth: 7.26 (cm)

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Product Features

Description

Product Overview

The HPE 845966-B21 QSFP28 MPO SR4 100m transceiver is a high-performance optical module engineered for modern data center and enterprise networking environments. This transceiver supports 100 Gigabit Ethernet connectivity over optical fiber, delivering reliable, high-bandwidth data transmission for demanding network applications.

Designed with an MPO connector and multi-mode fiber compatibility, this module enables efficient 100GBase-SR4 connections across distances up to 100 meters. Its compact QSFP28 form factor ensures compatibility with a wide range of HPE networking equipment, providing a scalable solution for upgrading network infrastructure to support increased data throughput and reduced latency.

Optics
100GbE
Link Speed
MPOOptical Fiber
Module Format & Speed
Module TypeQSFP28
Link Speed100 Gigabit Ethernet
Network Technology100GBase-SR4
Connector & Media
Connector TypeMPO
Media TypeOptical Fiber
Fiber ModeMulti-mode
Physical Profile
Dimensions0.33" H x 0.72" W x 2.86" D (8.38 x 18.29 x 72.64 mm)
Weight36.3 g

Technical Overview

This transceiver operates on the 100GBase-SR4 standard, utilizing four parallel 25 Gbps lanes to achieve an aggregate data rate of 100 Gbps. It is specifically engineered for short-reach multi-mode fiber applications, making it ideal for intra-rack and inter-rack connections within data centers, server farms, and high-performance computing clusters.

The module features a single MPO connector that interfaces with multi-mode optical fiber cables, supporting reliable data transmission with minimal signal degradation. Its hot-pluggable design allows for easy installation and replacement without disrupting network operations, while the QSFP28 form factor ensures efficient thermal management and power consumption.

Data Rate100 Gbps
Reach DistanceUp to 100 m
Port Count1
MPO ConnectorMulti-mode FiberHot-pluggable

Key Product Advantages

This transceiver delivers significant advantages for network administrators seeking to enhance data center performance and reliability. Its high-speed 100GbE capability supports bandwidth-intensive applications such as cloud computing, virtualization, and big data analytics, ensuring smooth data flow and reduced bottlenecks.

High-Bandwidth Performance

With 100GBase-SR4 technology, this transceiver provides up to 100 Gbps data transfer rates, enabling rapid data transmission between servers, switches, and storage systems.

  • Supports 100 Gigabit Ethernet
  • Ideal for data-intensive workloads
  • Reduces network congestion

Reliable Optical Connectivity

The MPO connector and multi-mode fiber compatibility ensure stable, low-latency connections over distances up to 100 meters, maintaining data integrity in demanding environments.

  • MPO interface for secure connections
  • Multi-mode fiber support
  • Consistent signal quality

Deployment / Use Cases

This transceiver is well-suited for deployment in data centers, enterprise networks, and high-performance computing environments where high-speed, reliable optical connectivity is essential. It facilitates efficient data transfer between network switches, routers, and servers, supporting scalable infrastructure growth.

Common use cases include connecting top-of-rack switches to aggregation switches, linking servers within a rack or across adjacent racks, and supporting spine-leaf network architectures. Its 100-meter reach makes it practical for campus-level connections while maintaining high data rates, and its compatibility with multi-mode fiber leverages existing cabling investments in many organizations.

Ports 1
Weight 36.3 g

Physical Profile

The transceiver features a compact design with dimensions of 0.33 inches in height, 0.72 inches in width, and 2.86 inches in depth, making it suitable for high-density network equipment. Its lightweight construction at approximately 36.3 grams minimizes load on network devices, and the small form factor allows for efficient use of rack space in data center environments.

Dimensions
Width
0.72" (18.29 mm)
Depth
2.86" (72.64 mm)
Height
0.33" (8.38 mm)
Weight
36.3 g
[custom-highlights]

Highlights

  • 100 Gigabit Ethernet speed for high-bandwidth data networking
  • QSFP28 form factor with MPO connector for optical fiber connections
  • Supports 100GBase-SR4 network technology over multi-mode fiber
  • Reach distance of up to 100 meters for short-range applications
  • Hot-pluggable design for easy installation and maintenance
  • Compact dimensions: 0.33" H x 0.72" W x 2.86" D (8.38 x 18.29 x 72.64 mm)
  • Lightweight at approximately 36.3 grams
  • Environmentally friendly construction
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerHewlett Packard Enterprise
Manufacturer Part Number845966-B21
Brand NameHPE
Product Name100Gb QSFP28 MPO SR4 100m Transceiver
Product TypeQSFP28
Technical Information
Application/UsageOptical Network,Data Networking
Interfaces/Ports
Total Number of Ports1
Connector TypeMPO
Interfaces/Ports Details1 x MPO 100GBase-SR4 Network
Media & Performance
Media Type SupportedOptical Fiber
Fiber Mode SupportedMulti-mode
Ethernet Technology100 Gigabit Ethernet
Network Technology100GBase-SR4
Physical Characteristics
Height0.33" (8.38 mm)
Width0.72" (18.29 mm)
Depth2.86" (72.64 mm)
Weight (Approximate)36.3 g
Miscellaneous
Environmentally FriendlyYes
[/custom-specifications][custom-faq]

FAQ

What is the data transfer speed of this HPE transceiver?

This HPE transceiver supports 100 Gigabit Ethernet, delivering data transfer rates up to 100 Gbps using the 100GBase-SR4 standard. It utilizes four parallel 25 Gbps lanes to achieve this high-speed performance, making it suitable for bandwidth-intensive network applications such as data center interconnects and high-performance computing.

What type of fiber and connector does this transceiver use?

The transceiver is compatible with multi-mode optical fiber and features an MPO connector. This connector type is commonly used in high-density optical environments, providing a reliable interface for short-reach connections up to 100 meters. Multi-mode fiber is ideal for data center and enterprise deployments where cost-effective, high-speed links are required over shorter distances.

What is the maximum reach distance for this QSFP28 module?

This QSFP28 transceiver supports a maximum reach distance of up to 100 meters over multi-mode fiber. This range is typical for 100GBase-SR4 applications, making it well-suited for connections within data center racks, between adjacent racks, or across small campus environments where high-speed, low-latency optical links are needed.

[/custom-faq]
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HPE 845966-B21 QSFP28 MPO SR4100m Transceiver - 100GbE Optical Fiber Module for Multi-mode Networks
MSRP: $6,263.00
$6,263.00
$6,070.99
Save: $192.01 (3.07%)
Out of stock