QLogic

QLogic is a provider of enterprise connectivity and storage networking solutions focused on host connectivity for data center and cloud infrastructure.

• Fibre Channel (FC) host bus adapters (HBAs) for storage area networks (storage networking)
• Converged network adapters supporting storage and data networking convergence (converged infrastructure)
• Ethernet-based adapters and controllers for server and storage connectivity (data center networking)
• Hardware and firmware designed for integration with major server and storage platforms (OEM and ecosystem integration)
• Management tools and utilities for configuring, monitoring, and maintaining adapter deployments (infrastructure management)

More About QLogic

QLogic focuses on connectivity hardware and associated software that link servers to enterprise storage and network resources in data center and cloud environments. Its portfolio centers on FC host bus adapters (storage networking) and converged network adapters (converged infrastructure) used to attach physical and virtual servers to storage area networks and Ethernet-based fabrics. These adapters are deployed in rack servers, blade systems, and storage platforms to support workloads such as databases, virtualized environments, and business applications that depend on predictable throughput and low-latency access to shared storage.

QLogic’s FC HBAs (storage networking) implement industry-standard FC protocols and are designed to operate within common SAN architectures that use FC switches and arrays from multiple vendors. By offloading storage protocol processing from server CPUs, these adapters support higher I/O throughput per host while maintaining deterministic performance characteristics that many enterprises require for transactional or latency-sensitive applications. In virtualized environments, QLogic adapters are typically used to provide dedicated I/O paths for hypervisors, supporting features such as multipathing, zoning, and LUN masking available in standard SAN deployments.

In addition to pure FC, QLogic offers converged network adapters (converged infrastructure) that support transport of storage and data traffic across Ethernet infrastructures. These products align with architectures such as FC over Ethernet (FCoE) and other converged networking frameworks that enable storage and Local Area Network (LAN) traffic to share a unified physical Ethernet fabric. By integrating storage protocol offload with Ethernet Monitoring-as-Code (MaC) and PHY functions, these converged adapters reduce the number of discrete NICs and HBAs required in servers, which can simplify cabling and adapter management at scale.

QLogic also provides Ethernet-based adapters and controllers (data center networking) that integrate with standard IP networking stacks in operating systems and hypervisors. These adapters are used to connect servers to Top-of-Rack (TOR) or end-of-row switches in leaf–spine architectures and other modern data center network topologies. Support for virtualization features, such as Single Root I/O Virtualization (SR-IOV) and network offloads, helps operators allocate bandwidth and I/O resources across virtual machines and containers according to policy.

Management utilities and firmware tools (infrastructure management) from QLogic are used by administrators to configure adapter parameters, update firmware, monitor link status, and troubleshoot connectivity issues. These tools commonly integrate with Operating System (OS) management interfaces and with server or chassis management frameworks supplied by Original Equipment Manufacturer (OEM) partners. In enterprise and institutional environments, QLogic solutions are categorized under storage networking, converged infrastructure, and data center networking, serving as host-side components in larger architectures that include storage arrays, switches, and orchestration platforms.