82599-1SFP / X520-DA1 / E10G41BTDA — PCIe 2.0 x4 10G single-port fiber optic server NIC (82599EN chipset) Key benefits - Reliable 10 Gigabit connectivity: Delivers full 10G bandwidth over a single fiber port for faster backups, migrations, and application traffic. - Server-ready performance: Built around the Intel 82599EN chipset for stable, predictable throughput in rack servers and appliance environments. - Simple integration: Standard PCIe 2.0 x4 interface fits common server expansion slots for straightforward installation and replacement. - Efficient data transfer: Single-port fiber optic design reduces bottlenecks and supports long-reach links typical in data centers and telecom racks. - Easy to manage: Conventional NIC form factor and proven Intel chipset simplify driver and firmware support in standard server environments. Why customers choose this card - Solves network congestion: Adds a dedicated 10G fiber interface to servers that need higher uplink capacity without replacing the host system. - Minimizes downtime risk: Uses a widely supported Intel 82599EN chipset known for robust operation in production servers. - Space- and power-efficient: PCIe 2.0 x4 card provides high bandwidth without requiring larger PCIe x8/x16 slots or additional power connectors. Practical applications - Data center uplinks and aggregation: Use as a server uplink to top-of-rack switches or fiber aggregation panels for increased throughput and longer fiber runs. - Virtualization and hyperconverged hosts: Offload multiple VM workloads or storage traffic onto a dedicated 10G fiber interface to improve isolation and performance. - Storage and backup servers: Provide consistent, high-speed paths for SAN/NAS traffic, backups, and replication across fiber links. Key attributes (concise) - Models: 82599-1SFP / X520-DA1 / E10G41BTDA - Chipset: Intel 82599EN - Interface: PCI Express 2.0 x4 - Port: Single fiber optic port (SFP family interface as indicated by model) - Speed: 10 Gigabit - Target use: Server-class network card for fiber links - Form factor: Standard server PCIe card (fits standard PCIe 2.0 x4 slots) What to expect from installation and operation - Fits into a standard PCIe 2.0 x4 slot on most servers; installs like a conventional expansion NIC. - Works with established server networking stacks and common management workflows when matching drivers and firmware are used. - Ideal when you need a compact, reliable 10G fiber interface without changing the existing server platform.