LTF1325-BE-IN Intel Ethernet SFP28 Optical Transceiver Module

Intel LTF1325-BE-IN 25G SFP28 Transceiver Module – Detailed Feature Breakdown

Technical Blueprint and Product Identity

The Intel LTF1325-BE-IN is a compact, high-performance SFP28 plug-in transceiver tailored for high-speed data transmission in modern networks. Manufactured by Intel, a trusted leader in technology innovation, this optical module is meticulously designed to enable seamless connectivity in demanding data environments.

Core Specifications at a Glance

• Manufacturer: Intel
• Product Code: LTF1325-BE-IN
• Device Classification: Hot-pluggable SFP28 optical transceiver
• Form Factor: Integrated plug-in style

Next-Level Networking Capabilities

High-Speed Connectivity for Modern Infrastructure

Designed to meet the needs of data-hungry enterprise and cloud environments, this Intel SFP28 optical module delivers exceptional wired connectivity. Supporting both 10GBASE-LR and 25GBASE-LR standards, it offers backward compatibility and forward scalability, ensuring flexibility across network upgrades and transitions.

Supported Transmission Protocols

• 10 Gigabit Ethernet (10 GigE)
• 25 Gigabit LAN (25GbE)

Key Optical Characteristics

• Laser Type: Vertical Cavity Surface Emitting Laser (VCSEL)
• Operating Wavelength: 1310 nanometers
• Maximum Range: Up to 328 feet (approximately 100 meters)
• Transmission Speed: 25 Gbps bandwidth

Performance in High-Density Environments

The module supports dense server and switch deployments, allowing for optimized bandwidth allocation in compact network architectures. Its ability to run both at 10Gb and 25Gb line rates makes it ideal for evolving data center demands, reducing congestion and enhancing traffic flow without the need for constant infrastructure changes.

Interface and Expansion Adaptability

Reliable Connectivity Options

The LTF1325-BE-IN SFP28 module is equipped with a single 25GBASE-LR Ethernet interface, compatible with LC duplex connectors. This ensures strong, stable fiber connectivity for both short- and long-reach network configurations.

Connectivity Port

• 1 x LC Connector – Ethernet 25GBASE-LR

Multi-mode Fiber Compatibility

Although designed to support long-range applications, this transceiver pairs efficiently with multi-mode fiber (MMF) cabling, maintaining signal integrity over extended distances in structured cabling infrastructures.

Precision Engineering for Enterprise Reliability

Industrial Grade Design for Consistent Uptime

Featuring Intel’s robust engineering, the LTF1325-BE-IN excels in maintaining signal accuracy, reducing electromagnetic interference, and ensuring minimal packet loss. The VCSEL technology enhances energy efficiency and produces cleaner optical signals, ideal for environments that demand constant, uninterrupted data flow.

VCSEL Matters

• Higher modulation speeds with minimal energy loss
• Lower power consumption compared to edge-emitting lasers
• Cost-effective without compromising performance

Deployment Applications and Use Cases

Versatile Utility Across Sectors

This transceiver is perfectly suited for a wide range of industries and IT landscapes. From high-frequency financial systems to cloud-hosting infrastructure and AI/ML training clusters, its low-latency characteristics and high throughput make it a preferred choice for performance-oriented setups.

Applicable Environments

• Data centers and server farms
• Enterprise network cores and access layers
• Edge computing environments
• Cloud infrastructure and hybrid deployments

Ideal for Top-of-Rack and Leaf-Spine Architectures

The transceiver’s 25G speed and long-range capabilities make it an ideal component in ToR (Top of Rack) or leaf-spine network designs, facilitating high-throughput east-west traffic and minimizing bottlenecks in modern data routing models.

Durability, Compliance, and Integration

Plug-and-Play Compatibility with Intel Ecosystems

Integration into existing Intel-supported systems is seamless. This transceiver adheres to industry-standard SFP28 specifications, enabling quick deployment in compatible switches, routers, and network interface cards from Intel and other major vendors.

Conformance and Standards

• Compliant with IEEE 802.3by (25G Ethernet)
• Meets MSA (Multi-Source Agreement) specifications
• RoHS and CE compliant

Physical and Environmental Endurance

Built for long-term service, the LTF1325-BE-IN withstands variations in temperature, humidity, and vibration. It’s well-suited for rack-dense server enclosures and temperature-controlled environments, where uptime and durability are mission critical.

Strategic Advantages and Value Proposition

Cost-Efficiency Without Performance Sacrifice

Offering support for both 10Gb and 25Gb protocols, the Intel LTF1325-BE-IN transceiver provides exceptional value by delivering two-speed operability in a single device. Organizations can future-proof their infrastructure while maintaining cost efficiency today.

Competitive Benefits

• Supports dual-speed operation: 10G and 25G
• Hot-swappable to reduce downtime
• Low power draw contributes to overall system energy savings
• Trusted brand reputation from Intel

Overview of the LTF1325-BE-IN Intel Ethernet SFP28 Optical Transceiver Module

The LTF1325-BE-IN Intel Ethernet SFP28 Optical Transceiver Module is engineered to support high-speed connectivity in data center, enterprise networking, and cloud environments. This transceiver module offers robust 10 Gigabit Ethernet (10GbE) and 25 Gigabit Ethernet (25GbE) LAN support over fiber optics using the SFP28 form factor, ensuring compatibility, flexibility, and efficiency in performance-critical infrastructures.

Form Factor and Interface Standards

The LTF1325-BE-IN module uses the Small Form-factor Pluggable 28 (SFP28) interface. SFP28 modules are part of the broader SFP+ family but are enhanced to support 25GbE while retaining backward compatibility with 10GbE. The compact size of the SFP28 makes it ideal for high-density networking environments, where maximizing port availability and scalability is essential.

This module conforms to the SFF-8402 specification for SFP28 and complies with IEEE 802.3by for 25GBASE-CR and 25GBASE-SR, ensuring broad interoperability across OEM platforms.

Compatibility with Network Hardware

The Intel LTF1325-BE-IN transceiver is validated for use with Intel Ethernet adapters, ensuring full compatibility and seamless integration. It is also interoperable with a variety of switch and router platforms that support SFP28 ports, including products from Cisco, Arista, Juniper, HPE, and Dell, provided that those platforms support Intel-certified modules or allow non-OEM optics.

Performance Features of the LTF1325-BE-IN Module

This SFP28 optical transceiver is designed to deliver high-speed, low-latency connectivity suitable for server-to-switch and switch-to-switch links in enterprise and cloud data centers.

Data Rate Support: 10GbE and 25GbE

The dual-rate capability of the module allows it to function in both 10GbE and 25GbE modes. This backward compatibility is ideal for environments transitioning from 10GbE to 25GbE infrastructure, offering investment protection and flexibility for future upgrades.

Transmission Distance

The typical transmission range for the LTF1325-BE-IN module varies depending on the optical cable type. Using OM3 multimode fiber, the 25GBASE-SR transmission supports up to 70 meters. With OM4, the range can extend to 100 meters. For 10GBASE-SR, the ranges are similarly aligned, providing enough flexibility for short-reach applications in data centers.

Latency and Throughput

Engineered for ultra-low latency, the module supports high throughput essential for applications in high-frequency trading, virtualization, AI/ML training clusters, and large-scale storage networks. By leveraging advanced digital signal processing and clock recovery techniques, the LTF1325-BE-IN ensures signal integrity over the fiber link.

Thermal and Power Efficiency

The LTF1325-BE-IN transceiver offers a power consumption profile typically below 1.5W, making it an energy-efficient solution for high-density network environments. Its thermal footprint is optimized for rack-mountable and blade server deployments where cooling is a concern.

Temperature Range and Reliability

The module operates within a commercial temperature range of 0°C to 70°C, ensuring dependable functionality in climate-controlled server rooms. Its MTBF (Mean Time Between Failures) is rated at over 1 million hours, supporting long-term operation without maintenance intervention.

Monitoring Capabilities

Digital Diagnostics Monitoring (DDM) is integrated into the module, enabling real-time tracking of temperature, voltage, bias current, transmit power, and receive power. These diagnostics help IT administrators detect and resolve issues preemptively.

Use Cases in Enterprise and Data Center Networks

The Intel LTF1325-BE-IN SFP28 module is optimized for deployment across various verticals and use cases, making it an essential component in modern high-speed Ethernet networks.

Top-of-Rack (ToR) and End-of-Row (EoR) Networking

In high-performance computing and hyperscale data centers, this module supports ToR and EoR switch uplinks, connecting servers and storage with minimum latency and maximum bandwidth. Its compact form factor facilitates dense configurations, while its speed supports traffic-heavy virtualized workloads.

Enterprise Core and Aggregation Layers

For enterprise LANs, the module serves in the aggregation and core switching layers where 25GbE speeds enable efficient backbone operations. As bandwidth demands increase due to cloud applications, video conferencing, and remote work, deploying 25GbE optics such as the LTF1325-BE-IN becomes a strategic infrastructure upgrade.

Virtualization and Software-Defined Networking (SDN)

Virtualized workloads and SDN deployments benefit from low-latency, high-bandwidth links. The LTF1325-BE-IN ensures smooth data flow between virtual machines (VMs), containers, and storage backends, enabling responsive application performance in multi-tenant environments.

Standards Compliance and Certification

The LTF1325-BE-IN module adheres to industry standards for seamless integration and operation. It supports:

• IEEE 802.3by (25GBASE-SR)
• IEEE 802.3ae (10GBASE-SR)
• SFF-8472 for DDM
• SFF-8402 for SFP28 specifications
• RoHS compliance for environmental safety

Intel's certification and testing process ensures each module meets strict quality assurance thresholds for data integrity, electromagnetic interference (EMI), and power consumption.

Deployment Flexibility and Integration

Designed with plug-and-play capability, the Intel LTF1325-BE-IN SFP28 module integrates easily into existing 10G/25G fiber infrastructure. Its hot-swappable design allows for live replacement or upgrades without affecting network uptime, reducing operational disruption.

Fiber Cabling Compatibility

This transceiver supports OM3 and OM4 multimode fiber with LC duplex connectors, providing options for scalable backbone deployment in LAN, SAN, and storage convergence infrastructures. It supports SR-class optical transceivers designed for short-range applications.

Rack and Chassis Compatibility

The module is compatible with a wide range of rackmount switches, routers, and network interface cards (NICs), especially those from Intel’s own portfolio. It’s ideal for use in blade chassis, modular switches, and standalone switches that support SFP28 cages.

Vendor Interoperability

While optimized for Intel platforms, the LTF1325-BE-IN is interoperable with standards-based networking equipment. When working in mixed-vendor environments, it is crucial to verify support for third-party optics or ensure modules are sourced with proper vendor coding.

Benefits of Using the Intel LTF1325-BE-IN Optical Module

Deploying this SFP28 optical transceiver offers a number of benefits that contribute to better network performance and efficiency:

• Scalability: Supports bandwidth upgrades from 10G to 25G without requiring new infrastructure.
• Reliability: Intel's manufacturing standards ensure consistent performance and long-term durability.
• Power Efficiency: Low power consumption supports high-density data center configurations.
• Easy Deployment: Hot-pluggable module minimizes maintenance windows and network disruptions.
• Diagnostic Insight: Built-in DDM offers real-time metrics for proactive monitoring.

Cost-Effectiveness and ROI

Compared to traditional 10G-only solutions, the LTF1325-BE-IN offers future-proofing by enabling 25G speeds without requiring a complete overhaul of cabling infrastructure. Its support for OM3 and OM4 multimode fibers helps avoid expensive single-mode deployments in environments where short-range connectivity suffices.

Security and Isolation in Network Topologies

Using optical transceivers like the LTF1325-BE-IN in a fiber optic network enhances security by eliminating electrical signal leakage and offering better EMI resistance. This is especially critical in government, healthcare, and finance sectors where data isolation is paramount.

Physical Layer Isolation

The optical nature of the module ensures minimal electromagnetic interference and enhanced physical layer isolation. This makes the transceiver ideal for secure data zones and air-gapped networks.

Reduced Crosstalk in Dense Environments

Optical links are less prone to crosstalk than copper alternatives, making them the preferred medium for densely packed server racks and switch bays, especially where high-throughput applications require clean signal transmission.

Lifecycle Management and Firmware Support

The LTF1325-BE-IN includes support for firmware updates where applicable, allowing administrators to apply performance enhancements or compatibility patches as released by Intel. This helps extend the useful life of the module and maintain alignment with evolving network standards.

Inventory and Asset Tracking

Integrated serial numbers and EEPROM programming allow data center operators to maintain accurate inventory records. When used in conjunction with Intel management tools or compatible monitoring platforms, asset tracking and lifecycle management become more efficient.

Choose Intel Ethernet SFP28 Modules

Intel has a longstanding reputation for providing high-quality networking solutions. The LTF1325-BE-IN exemplifies Intel's commitment to performance, interoperability, and sustainability in network component design. Choosing an Intel SFP28 module guarantees a high degree of compatibility with Intel NICs and a wide variety of third-party network equipment, backed by Intel’s technical support and validation ecosystem.