Qlogic QLE2872-SR 64Gb Dual Port Fibre Channel SAN PCIe Host Bus Adapter

The QLE2872-SR-SP is a dual-port 64G Fibre Channel PCIe HBA developed for organizations that need fast and dependable access to shared storage systems. Each Fibre Channel port can provide up to 64Gbps of link speed, making the adapter suitable for high-throughput SAN environments where large volumes of data must move efficiently between servers and storage arrays.

As a dedicated Host Bus Adapter rather than a RAID controller, the QLE2872-SR-SP focuses on Fibre Channel connectivity and storage protocol processing. This architecture makes it appropriate for enterprise servers, virtualization hosts, database platforms, storage-intensive applications, and SAN infrastructures where centralized storage access is essential.

General Information

• Manufacturer: Qlogic
• Part Number: QLE2872-SR-SP
• Product Type: Host Bus Adapter

Technical Specifications

• Series: QLogic 2800 Series
• Device Type: Fibre Channel Host Bus Adapter (HBA)
• Number of Ports: 2 × Fibre Channel
• Maximum Fibre Channel Speed: 64Gbps per port
• Supported FC Speeds: 64Gbps / 32Gbps / 16Gbps
• Host Interface: PCI Express 4.0 x8
• Port Interface: SFP+/SFP56 Fibre Channel
• Optical Support: 64GFC SR and other supported FC optics
• Connector: LC, depending on installed transceiver
• Fiber Type: Multi-mode fiber for SR optical
• FC-NVMe: Supported
• NPIV: Supported
• SR-IOV: Supported
• Maximum Line Rate: Up to approximately 12,800 MB/s full-duplex per port
• Form Factor: PCIe low-profile adapter

Benefits of NPIV

• Supports virtual Fibre Channel identities
• Improves flexibility in virtualized SAN environments
• Helps separate virtual workloads at the SAN level
• Supports scalable Fibre Channel virtualization designs
• Works with compatible Fibre Channel switches and virtualization platforms

The Qlogic QLE2872-SR-SP 64GB Dual Port HB Adapter Details

The Qlogic QLE2872-SR-SP 64GB Dual Port PCI-E Gen4 X8 Fibre Channel Host Bus Adapter is designed for enterprise storage environments that require high-speed, dependable, and efficient Fibre Channel connectivity between servers and storage area networks. This dual-port Fibre Channel HBA provides two independent Fibre Channel interfaces in a single PCI Express adapter, allowing organizations to build highly available storage connections while maintaining efficient server expansion and connectivity. With support for Fibre Channel speeds up to 64Gbps and a PCI Express Gen4 x8 host interface, the QLE2872-SR-SP is positioned for demanding data center workloads where storage bandwidth, low latency, redundancy, and consistent I/O performance are important.

As part of the QLogic Fibre Channel adapter category, the QLE2872-SR-SP is particularly suitable for enterprise servers, storage networks, virtualization infrastructure, database platforms, high-performance computing environments, and other applications that depend on rapid access to centralized SAN resources. Its dual-port architecture provides additional connectivity flexibility compared with single-port Fibre Channel adapters, while the PCIe Gen4 x8 interface enables the adapter to communicate with compatible server platforms using a modern high-bandwidth host bus connection.

64Gb Fibre Channel Performance

The QLE2872-SR-SP is engineered for 64Gb Fibre Channel networking, providing a substantial increase in available storage network bandwidth compared with earlier Fibre Channel generations. A 64Gb Fibre Channel link can support extremely demanding storage traffic, making this class of HBA appropriate for environments where servers routinely process large volumes of data. Enterprise applications such as virtualization, analytics, databases, file services, backup systems, media workloads, and mission-critical business applications can benefit from a high-speed SAN connection.

High-speed Fibre Channel is especially valuable when multiple servers share centralized storage resources. Instead of relying solely on local disks or lower-bandwidth network connections, Fibre Channel HBAs provide a dedicated storage connectivity path designed for predictable storage traffic. The QLE2872-SR-SP can therefore serve as an important component within an enterprise SAN architecture where consistent throughput and efficient host-to-storage communication are priorities.

Dual-Port Fibre Channel Architecture

One of the major characteristics of the Qlogic QLE2872-SR-SP is its dual-port design. Two Fibre Channel ports are integrated into the same PCIe adapter, enabling a server to establish multiple SAN connections without requiring two separate HBA cards. This architecture can help simplify server configuration while providing greater connectivity flexibility for enterprise storage deployments.

Dual-port Fibre Channel adapters are commonly used to create redundant storage paths. A server can connect its two ports to separate SAN fabrics, switches, or storage paths, depending on the architecture of the deployment. If one path becomes unavailable because of a cable, switch, port, HBA path, or maintenance event, multipathing software can potentially direct I/O through the remaining path. This design contributes to storage availability and helps reduce the dependency on a single physical connection.

Redundant SAN Connectivity

High availability is a fundamental requirement in many enterprise storage environments. The dual-port capability of the QLE2872-SR-SP allows administrators to design storage connectivity with redundancy in mind. For example, one port may be connected to one Fibre Channel fabric while the second port connects to another independent fabric. Such an arrangement can provide separate physical paths between the host and storage system.

When combined with compatible SAN switches, storage arrays, operating systems, and multipath I/O software, a dual-port HBA can support a resilient storage topology. This makes the QLE2872-SR-SP relevant for organizations operating business-critical applications where storage interruptions can affect productivity, service availability, or application performance.

Modern PCIe Gen4 Server Connectivity

The QLE2872-SR-SP uses a PCI Express Gen4 x8 host interface, providing a high-bandwidth connection between the Fibre Channel adapter and the server motherboard. PCI Express is the standard expansion interface used by modern servers for connecting high-performance adapters, and Gen4 technology offers significantly greater bandwidth than earlier PCIe generations.

The x8 lane configuration provides eight PCI Express lanes for communication between the adapter and host system. This is well suited to a high-speed Fibre Channel adapter because the host interface must be capable of handling substantial storage I/O traffic without unnecessarily restricting the performance of the Fibre Channel ports.

PCIe Gen4 x8 and Storage I/O Efficiency

When a high-speed Fibre Channel adapter is installed in a compatible PCIe Gen4 server slot, the host bus provides an efficient pathway for transferring storage commands and data. This is important for applications that generate sustained I/O operations. The overall performance of a SAN environment depends on many components, including the storage array, Fibre Channel switches, optics, cabling, server processor, memory, operating system, drivers, multipathing configuration, and workload characteristics, but a sufficiently capable host interface helps prevent the HBA from becoming an unnecessary bottleneck.

The PCIe Gen4 x8 architecture also makes the QLE2872-SR-SP a practical option for newer server platforms that provide PCIe Gen4 expansion slots. Administrators should always verify the server manufacturer's slot specifications and the adapter's supported operating environment before installation, particularly when deploying the card in a server with multiple PCIe slot types or lane configurations.

Dual Fabric SAN Designs

Enterprise SAN deployments frequently use separate Fibre Channel fabrics to minimize the impact of failures and maintenance. A dual-port HBA such as the QLE2872-SR-SP can provide the physical host connectivity required for this type of architecture. One port can participate in one SAN fabric while the other port participates in a separate fabric, subject to the supported configuration of the server and storage environment.

Separating storage paths can help improve resilience because a failure affecting one switch, cable, transceiver, or physical path does not necessarily affect the second path. Multipath software can manage multiple routes to storage and determine which path should be used for I/O according to the configured policy.

Multipathing and Path Redundancy

Multipathing is an important technology in redundant Fibre Channel environments. It allows the operating system or virtualization platform to recognize multiple paths to storage and manage those paths as part of a resilient storage configuration. The QLE2872-SR-SP 's two physical ports can participate in such architectures when the surrounding hardware and software support the required configuration.

Administrators should configure zoning, storage presentation, host identifiers, drivers, firmware, and multipathing policies according to the requirements of the specific SAN platform. Properly designed redundancy is more than simply installing a dual-port HBA; every critical portion of the storage path should be evaluated for single points of failure.

Integration with Fibre Channel Switches

The QLE2872-SR-SP is designed to operate as a host-side Fibre Channel adapter within a SAN environment. Its ports can connect to compatible Fibre Channel SAN switches using appropriate optical transceivers and Fibre Channel cabling. The exact optical modules and cable types should be selected according to the supported Fibre Channel speed, connector type, switch port specifications, and distance requirements.

Fibre Channel switches provide the fabric infrastructure through which servers and storage systems communicate. Once the QLE2872-SR-SP is installed, administrators typically configure the HBA ports, switch zoning, storage access, and host-side multipathing according to the architecture of the environment. Correct configuration is essential for achieving the expected connectivity and maintaining secure separation between SAN resources.

64Gb Fibre Channel Bandwidth

The 64Gb Fibre Channel specification places the QLE2872-SR-SP within a high-performance generation of Fibre Channel adapters. Increased link speed is particularly valuable for data centers where storage traffic continues to grow due to virtualization, larger databases, high-resolution media, analytics, artificial intelligence workloads, backups, and other data-intensive applications.

Higher Fibre Channel speeds can reduce the amount of time required to move large volumes of data when the storage infrastructure is capable of utilizing the available bandwidth. However, real-world performance is dependent on the complete end-to-end architecture. A 64Gb HBA cannot force a slower storage array, switch, optic, or link to operate at 64Gb. Compatibility and negotiated link speed must therefore be evaluated across the complete SAN path.

Enterprise Server Expansion

The QLE2872-SR-SP is intended for installation in compatible server PCI Express expansion slots. Before installation, administrators should verify the physical slot type, PCIe generation support, available lane configuration, system firmware requirements, operating system support, and available space inside the server chassis.

Because enterprise servers differ considerably between manufacturers and generations, compatibility should be confirmed using the server vendor's documentation and the HBA vendor's supported platform information. A PCIe Gen4 adapter may operate in certain backward-compatible environments, but the negotiated PCIe generation and resulting capabilities depend on the host platform.

Server and PCIe Compatibility

Compatibility is one of the most important considerations when purchasing a Fibre Channel host bus adapter. The QLE2872-SR-SP should be matched with a server that provides an appropriate PCI Express expansion slot and supports the adapter's operating environment. Server BIOS or UEFI configuration, PCIe slot availability, system firmware, and operating system support can all influence successful installation.

Administrators should also verify whether the server requires a particular adapter form factor, bracket, firmware revision, or vendor-specific qualification. Enterprise systems from different manufacturers can impose different hardware validation requirements even when the underlying PCI Express technology is standardized.

Operating System and Driver Support

Fibre Channel HBAs rely on appropriate host drivers and firmware to communicate correctly with the operating system. Before deployment, organizations should confirm that the desired operating system version supports the QLE2872-SR-SP and that the appropriate driver and firmware packages are available.

Keeping HBA firmware and drivers aligned with the supported SAN environment can be important for stability, interoperability, security, and performance. Administrators should use validated software combinations whenever possible and follow the relevant vendor release documentation when planning firmware or driver upgrades.

Storage Array Compatibility

The QLE2872-SR-SP can be used as a host-side interface for compatible Fibre Channel storage arrays. However, compatibility should be evaluated at the complete system level. The storage array must support the relevant Fibre Channel generation, host connection, initiator configuration, and multipathing method.

Storage administrators should confirm that the array recognizes the HBA correctly and that host registration, LUN presentation, zoning, masking, and multipathing are configured appropriately. These configuration requirements vary between storage manufacturers and operating systems.

Backup and Data Protection Infrastructure

Backup environments can produce large sequential data transfers, particularly during full backups, replication, recovery operations, and archival activities. High-speed SAN connectivity can help servers and backup systems transfer data efficiently when the underlying storage infrastructure is capable of supporting the available bandwidth.

The QLE2872-SR-SP can therefore be considered for backup servers, storage management hosts, and data protection infrastructure that use Fibre Channel-connected storage. Actual backup performance will depend on the backup software, source and target storage systems, network topology, compression, deduplication, and other factors.

High-Bandwidth Storage Networking

The QLE2872-SR-SP category is aimed at organizations that need significantly more storage network capacity than older Fibre Channel generations can provide. With 64Gb Fibre Channel connectivity, it can support high-speed SAN architectures designed for modern data-intensive workloads.

The dual-port design adds connectivity flexibility while potentially reducing the number of PCIe expansion cards needed in a server. This can be useful where PCIe slots are limited or where administrators want to simplify the physical server configuration.

Fibre Channel Port Configuration

Once installed, the two Fibre Channel ports should be connected using compatible optics and cables. Each port can then be configured according to the SAN design. In a redundant environment, administrators commonly separate physical paths so that a single failure does not eliminate all connectivity to shared storage.

Switch-side zoning, host identification, storage presentation, and multipathing should be completed according to the SAN vendor's recommended procedures. Testing each path independently can help verify redundancy before production workloads are placed on the system.

Enterprise Storage Expansion with Dual-Port Flexibility

By combining two Fibre Channel ports within one adapter, the QLE2872-SR-SP provides a practical approach to expanding server storage connectivity while preserving the ability to build redundant SAN paths. Its 64Gb Fibre Channel capability provides substantial bandwidth for data-intensive applications, while its PCI Express Gen4 x8 interface is designed for modern server expansion architectures.

For enterprise administrators, system integrators, data center operators, and storage professionals, the Qlogic QLE2872-SR-SP represents a high-speed Fibre Channel host connectivity option for compatible infrastructure. Properly matched with the server, SAN switches, storage arrays, optical components, operating system, drivers, firmware, and multipathing configuration, it can contribute to a scalable and resilient storage environment built for demanding enterprise workloads.