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Green PCIe circuit board with two SFP+ cages and a silver bracket

Intel

Intel X520-DA2 10Gbps Dual Port SFP+ network card

SKU CH-MWZ1-EV27A MPN X520-DA2

Dual-port 10 Gbps SFP+ adapter on a PCI-Express 2.0 x8 interface using the Intel 82599ES controller

  • StandardsIEEE802.3
  • Speed10Gbps
  • Connectors2 x SFP+
  • InterfacePCI-Express
  • Dual 10 Gbps ports double throughput for demanding servers
  • PCIe 2.0 x8 lane width fits X8 and X16 slots
  • Intel 82599ES controller offloads processing from the CPU
  • Two SFP+ cages accept multi-mode, single-mode or direct-attach modules
  • IEEE 802.3 compliance ensures interoperability with 10G Ethernet networks

Dual-port 10Gbps SFP+ server adapter

The Intel X520-DA2 is a dual-port network interface card built for servers and workstations that need 10 gigabit Ethernet connectivity. It uses the Intel 82599ES controller and connects through a PCI Express 2.0 x8 slot, compatible with x8 and x16 slots. The card targets IT professionals adding high-speed links to rackmount or tower systems.

Two SFP+ cages for fibre or direct attach

Two SFP+ cages accept 10G multi-mode modules, single-mode modules or direct-attach copper cables, letting you choose the reach and media type per link. Each port runs at 10Gbps line rate under IEEE 802.3 10BASE-SR and 10BASE-LR standards. The x8 5GT/s bus provides enough bandwidth for both ports simultaneously without saturation.

Low-profile bracket fits dense chassis

A low-profile bracket allows installation in 1U and 2U rackmount servers where full-height cards do not fit. The SFP+ cages face the rear bulkhead for clean cable routing in hot-aisle or cold-aisle layouts. No onboard transceivers are included, so you supply the optics or DACs that match your switch ports and distance requirements.

Highlights

  • Dual 10 Gbps ports double throughput for demanding servers
  • PCIe 2.0 x8 lane width fits X8 and X16 slots
  • Intel 82599ES controller offloads processing from the CPU
  • Two SFP+ cages accept multi-mode, single-mode or direct-attach modules
  • IEEE 802.3 compliance ensures interoperability with 10G Ethernet networks

Specifications

BrandIntel
ModelX520-DA2
Part NumberX520-DA2
StandardsIEEE802.3
Speed10Gbps
Connectors2 x SFP+
InterfacePCI-Express

Questions about this item

Will this card run at 10 Gbps in my PCIe 2.0 x8 slot?

The card uses a PCIe 2.0 x8 electrical interface and is compatible with x8 or x16 slots, so it will deliver the full 10 Gbps rate in a PCIe 2.0 x8 slot.

How can I verify both SFP+ ports are linked at 10 Gbps after installation?

Check the adapter LEDs or the OS network status; each port should show a 10 Gbps link when a supported SFP+ module and cable are connected.

Does the box include SFP+ transceivers or cables, or must I buy them separately?

The adapter ships without transceivers or cables; you must purchase compatible SFP+ modules or direct-attach cables separately.

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