Intel X520-DA2 10Gb Ethernet Dual-Port LP PCIe Server Network Adapter

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Intel X520-DA2 10Gbps Ethernet Dual Port Low-Profile PCI Express 2.0 x8 Plug-in card Converged Server Network Adapter with Both Brackets (Low Profile and High Profile Brackets)

The Intel X520-DA2 is a data-center grade Ethernet Converged network adapter with SFP+ connectivity. Data transfer rates of 10 Gbps are suitable for virtualized enterprise environments, and the X520-DA2 includes Intel Virtualization Technology for improved performance and connectivity. Some of these features are on-chip QoS, Virtual Machine Device Queues (optimization of VM data traffic processing), FPP (port partitioning and PCI SIG SR-IOV I/O resource sharing), and Intel DDIO for reduced latency/power consumption. This Dual Port Network Adapter comes with both brackets (low profile and high profile brackets) and has 1 Year Warranty from us.


Brand: Intel
MPN: X520-DA2
Model: X520-DA2


Device Type: Network adapter - dual-ports
Form Factor: Plug-in card - low profile
Interface (Bus) Type: PCI Express 2.0 x8


Connectivity Technology: Wired
Data Link Protocol: 10 GigE
Data Transfer Rate: 10 Gbps
Network / Transport Protocol: TCP/IP, UDP/IP, IPSec, iSCSI
Remote Management Protocol: SNMP, RMON
Status Indicators: Link activity, port transmission speed, link OK
Features: Flow control, VLAN support, packet filtering, Quality of Service (QoS), Virtual Machine Device Queues (VMDq)
Compliant Standards: IEEE 802.1Q, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1ae, IEEE 802.1as

Processor / Memory

Processor: 82599ES - Intel

Dimensions & Weight

Depth: 5.7 in

Expansion / Connectivity

Expansion Slots: 2 (total) / 2 (free) x SFP+
Compatible Slots: 1 x PCI Express 2.0 x8 - full-length, low-profile and high-profile

Environmental Parameters

Min Operating Temperature: 32 °F
Max Operating Temperature: 131 °F


Compatible with Windows 7: "Compatible with Windows 7" software and devices carry Microsoft’s assurance that these products have passed tests for compatibility and reliability with 32-bit and 64-bit Windows 7.

Compliant Standards: FCC Class B certified, UL, VCCI, C-Tick, BSMI, RoHS

Product Features

Enables higher bandwidth and throughput from standard and low-profile PCIe slots and servers.

Load balancing on multiple CPUs
Increases performance on multi-processor systems by efficiently balance CPU cores when used with Receive-Side Scaling (RSS) from Microsoft or scalable I/O on Linux.

ISCSI remote boot support
Provides centralized storage area network (SAN) management at a lower cost than other iSCSI solutions.

Intel Direct Cache Access (DCA)
Enables the adapter to pre-fetch the data from memory, avoiding cache misses and improving application response time.

MSI-X support
Minimizes the overhead of interrupts. Load-balancing of interrupt handling between multiple cores/CPUs.

Low latency interrupts
Based on the sensitivity of the incoming data, the adapter can bypass the automatic moderation of time intervals between the interrupts.

Header splits and replication in receive
Helps the driver focus on the relevant part of the packet without the need to parse it.

IPsec offload
Offloads IPsec capability onto the adapter instead of the software to significantly improve I/O throughput and CPU usage.

Virtual Machine Load Balancing (VLMB)
Virtual Machines Load Balancing (VMLB) provides traffic load balancing across virtual switch, port, cable, or adapter failure.

Watchdog timer
Gives an indication to the manageability firmware or external devices that the chip or the driver is not functioning.

Contact us with any questions or to verify this model’s compatibility with your current server or storage array.

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Warranty Information

1 Year Warranty
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