1 x RJ45 port. Connection via RJ45, CAT5e STP/UTP cable or higher 2-lane PCI Express (PCIe) interface with 2.5 Gb/s data rate. Compatible with PCI Express Specification, Rev.1.0a Crossover Detection and Auto-Correction. Auto-negotiation. Full duplex 20/200/2000 Mbit/s. Includes LED indicators for network activity 2 rear brackets included for Standard and Low Profile PCIe slots Key benefits and features - Fast 2.5 GbE upgrade: adds a single RJ45 port with 2.5 Gb/s Ethernet support for faster local network transfers and improved access to NAS, servers, and high-speed storage. - PCIe compatibility: uses a 2-lane PCI Express interface and is compatible with PCI Express Specification Rev.1.0a, allowing installation in compatible desktops and workstations. - Smart link handling: crossover detection and auto-correction ensure reliable connectivity without manual configuration. Auto-negotiation enables seamless connection to switches and routers. - Flexible operation: supports full duplex modes at 20, 200, and 2000 Mbit/s, accommodating a range of network devices and workloads. - Activity visibility: LED indicators provide real-time network activity status for quick diagnostics. - Easy installation and mounting: comes with 2 rear brackets to support both Standard and Low Profile (compact) PCIe slots. Ideal use scenarios - Desktop or workstation upgrade: upgrade a client PC or workstation to 2.5 GbE to accelerate large file transfers to a NAS or external storage device. - Small office network extension: add a high-speed network adapter to a PC or compact server to connect to a 2.5 GbE switch, improving videoconferencing, cloud workloads, and large data transfers. - Home lab and virtualization: outfit a test server or virtualization workstation with a fast Ethernet interface to support faster backups, testing, and isolated network environments. Form factor and compatibility - Form factor: PCI Express add-in card with support for Standard and Low Profile slots - Port: 1 x RJ45 - Cable type: CAT5e STP/UTP or higher - Supported speeds: full duplex 20/200/2000 Mbit/s - Brackets: 2 rear brackets included for Standard and Low Profile slots Note: This description preserves the original specifications and functionality, presented in customer-friendly language with emphasis on practical benefits, compatibility, performance, and installation options.