845424-B21 HPE QSFP28 to 4x25GB SFP28 15m Active Optical Cable

HPE 845424-B21 QSFP28 to 4x25GB SFP28 15m Active Optical Cable Overview

The HPE 845424-B21 Active Optical Cable provides a high-performance, reliable connectivity solution for enterprise data centers. This 15-meter cable is specifically designed for flexible network setups, allowing IT teams to achieve efficient and scalable configurations without compromising signal quality. Ideal for modern network environments, it supports high-speed data transmission and seamless integration with existing infrastructures.

Key Specifications of HPE 845424-B21

• Manufacturer: HPE
• Part Number / SKU: 845424-B21
• Product Type: Active Optical Cable
• Sub-Type: 4x25GB SFP28, 15 meters
• Connector Type: QSFP28 to 4x SFP28
• Cable Diameter: 3mm slim design

Advantages of HPE 15m Active Optical Cable

This HPE optical cable is built to meet the rigorous demands of enterprise networking:

• High-speed data transfer with minimal signal loss
• Flexible 15-meter length for diverse network layouts
• Space-efficient 3mm diameter for streamlined cable management
• Robust and durable construction for long-term use
• Reduces maintenance downtime and enhances operational efficiency

Seamless Integration with Existing Infrastructure

The HPE 845424-B21 features a QSFP28 connector on one end, splitting into four SFP28 connectors on the other. This design ensures:

• Compatibility with a wide range of network switches and servers
• Easy installation in complex rack environments
• Support for multi-channel high-speed data environments

Optimized for Data Center Environments

Designed with enterprise-grade performance in mind, this active optical cable is suitable for various IT scenarios:

• High-density server racks requiring space-saving solutions
• Data centers needing reliable long-distance connectivity
• Mission-critical applications where network reliability is paramount

HPE 845424-B21 QSFP28 to 4x25GB SFP28 Active Optical Cable

The HPE 845424-B21 is a high-performance active optical cable (AOC) designed for high-speed data center interconnectivity. This cable enables a seamless connection between a QSFP28 port and four SFP28 ports over a 15-meter distance, providing exceptional bandwidth efficiency and low-latency communication.

Key Features of HPE 845424-B21

• QSFP28 to 4x25GbE SFP28 conversion
• High-speed data transmission up to 100Gbps aggregate
• 15 meters length suitable for medium to large-scale data centers
• Active optical cable technology ensuring signal integrity
• Hot-swappable design for minimal downtime

Technical Specifications

Optical and Electrical Specifications

• Interface: QSFP28 to 4x25GbE SFP28
• Data Rate: 25Gbps per channel, 100Gbps aggregate
• Wavelength: 850nm
• Cable Type: Multi-mode optical fiber
• Maximum Transmission Distance: 15 meters
• Connector Type: QSFP28 and SFP28 MPO/MTP connectors

Physical Characteristics

• Cable Length: 15 meters
• Durability: Reinforced jacket for enhanced protection
• Operating Temperature: 0°C to 70°C
• Compliance: RoHS, IEEE standards

Advantages of Using HPE 845424-B21 AOC

Active optical cables like the HPE 845424-B21 provide significant benefits over traditional copper cables or passive solutions:

• High Bandwidth: Ensures stable and fast data transfer across multiple channels simultaneously.
• Extended Reach: Supports 15 meters of optical transmission without signal degradation.
• Reduced Latency: Ideal for latency-sensitive applications like high-frequency trading or data analytics.
• Energy Efficiency: Lower power consumption compared to active copper alternatives.
• Flexibility: Hot-swappable design allows network upgrades without downtime.

Applications of HPE 845424-B21 in Modern Data Centers

The HPE 845424-B21 is widely adopted in data centers, enterprise networks, and high-performance computing environments due to its versatile design and high reliability.

Data Center Interconnects

By converting a single QSFP28 port to four 25GbE SFP28 ports, this AOC provides an efficient solution for connecting switches, servers, and storage units. It reduces the need for additional ports and simplifies cabling infrastructure.

High-Performance Computing (HPC)

In HPC environments, where data transfer speed and low latency are critical, the HPE 845424-B21 ensures that computational nodes communicate effectively without bottlenecks.

Enterprise Networking

Enterprises seeking scalable networking solutions benefit from this AOC, which enables easy expansion and integration of new hardware components without major network reconfiguration.

Compatibility and Integration

The HPE 845424-B21 is fully compatible with a wide range of HPE switches and servers supporting QSFP28 and SFP28 interfaces. Its compliance with industry standards ensures smooth integration into existing infrastructures.

Integration Benefits

• Simplified cabling and reduced clutter
• Lower risk of signal interference and crosstalk
• Seamless scalability for future network expansion

Installation Guidelines

Proper installation is critical for achieving optimal performance and longevity of the HPE 845424-B21 cable:

• Handle connectors carefully to avoid contamination or damage.
• Maintain bend radius according to manufacturer specifications.
• Ensure proper alignment during insertion into QSFP28 and SFP28 ports.
• Verify firmware and driver compatibility on connected devices.

Maintenance and Durability

Regular Inspection

Check for physical damage, bent fibers, or connector debris to ensure uninterrupted performance.

Cleaning Guidelines

• Use specialized fiber optic cleaning tools for connectors.
• Avoid touching fiber ends with bare hands.
• Inspect connectors under proper lighting to identify contamination.

Durability Features

• Reinforced jacket protects against physical stress
• High-quality optical components reduce signal loss
• Compliance with environmental standards ensures reliable operation in varying temperatures

Industry Standards and Compliance

The HPE 845424-B21 meets critical industry and environmental standards:

• IEEE 802.3bj 100GbE standard
• RoHS compliant for environmental safety
• Supports MSA (Multi-Source Agreement) standards for QSFP28 and SFP28 form factors

Future-Proofing Your Network

Investing in HPE 845424-B21 ensures compatibility with upcoming 25GbE infrastructure, supporting network growth without requiring a complete overhaul.