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Intel X520-SR2 dual-port 10Gbps network card with two LC connectors

Intel

Intel X520-SR2 dual-port 10Gbps network expansion card

SKU CH-MJ5A-XF8DX MPN X520-SR2

Dual-port 10Gbps Ethernet adapter with LC connectors for short-range fibre links

  • TypeNetwork Adapter
  • Dual 10Gbps ports double bandwidth for demanding workloads
  • LC connectors with 10GBase-SR optics suit short-range data-centre links
  • PCIe interface delivers high-throughput, low-latency server connectivity
  • Two ports enable redundancy and load balancing for reliability
  • Intel X520 architecture provides proven enterprise-grade network performance

Dual-port 10Gbps server adapter

The Intel X520-SR2 is a dual-port 10Gbps network adapter built for enterprise and data-centre environments. It uses 10GBase-SR optical transceivers with LC connectors for short-range fibre links. The PCIe interface delivers the bandwidth needed for virtualization, cloud workloads and large-scale data processing. Two ports enable link redundancy and load balancing for higher availability.

Sustained throughput on both ports

The X520 architecture maintains low latency and high throughput under continuous multi-gigabit loads rather than only in short bursts. Dual 10GBase-SR ports share the PCIe bus without throttling during prolonged VM migration or storage replication. Optical SR transceivers keep signal integrity stable across the rack distances found in typical data-centre rows. This makes the card reliable for always-on production traffic.

Upgrade from single-port or 1GbE links

This adapter replaces single-port 10GbE cards or dual-port 1GbE NICs when aggregate bandwidth and failover become requirements. The jump is worth it when workloads saturate a single 10Gbps lane or when a second physical path is needed for redundancy. It is not for deployments that need longer-reach optics or higher port counts than two.

Puncte forte

  • Dual 10Gbps ports double bandwidth for demanding workloads
  • LC connectors with 10GBase-SR optics suit short-range data-centre links
  • PCIe interface delivers high-throughput, low-latency server connectivity
  • Two ports enable redundancy and load balancing for reliability
  • Intel X520 architecture provides proven enterprise-grade network performance

Specificații

TypeNetwork Adapter

Întrebări despre acest articol

How much heat does the X520-SR2 produce when running 10 Gbps traffic all day?

The X520-SR2 is a passive server adapter with no onboard fan; it relies on chassis airflow to dissipate heat from its dual 10 Gbps ports.

What cabling and transceivers must I already have for the dual LC ports?

Each port uses an LC connector with a 10GBase-SR transceiver, so you need multimode fibre patch cords and compatible SFP+ SR modules.

Will the X520-SR2 negotiate down to 1 Gbps on my older switches?

The card operates at 10 Gbps over SR optics only; it does not auto-negotiate to 1 Gbps, so older 1 Gbps gear requires a separate media converter.

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