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X520DA2OCP
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- Intel Ethernet Server Adapter X520-DA2 - network adapter - PCIe 2.0 x8
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Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
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In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
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All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
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X520DA2OCP Overview
X520DA2OCP is a high-performance Ethernet adapter engineered to deliver reliable 10Gbps connectivity for data centers, high-speed workstations, and small office networks. Designed as an internal PCIe card, it leverages a robust PCIe connection interface to ensure low latency and high throughput performance needed for modern network environments.
Built with versatility in mind, the X520DA2OCP supports critical network protocols including TCP/IP, UDP, and iSCSI while maintaining compatibility with Windows, Linux, and VMware platforms. Its SFP+ connector type and compact form factor make it the ideal choice for high-performance applications where efficiency, reliability, and seamless integration are paramount.
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Explore more options from Network Adapters or explore other Intel products.
X520DA2OCP Specifications
| Product Type | Network Adapter |
| Adapter Type | Ethernet |
| Data Rate | 10Gbps |
| Connection Interface | PCIe |
| Supported Protocols | TCP/IP, UDP, iSCSI |
| Form Factor | Internal PCIe Card |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Windows, Linux, VMware |
| Max Speed | 10Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | 15W |
| Connector Type | SFP+ |
| Maximum Range | N/A |
| Bus Type | PCIe x8 |
| Product Name | Intel Ethernet Adapter X520DA2OCP |
| Height | 3.5 inches |
| Width | 1.5 inches |
| Depth | 9.25 inches |
| Weight | 1.2 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Adapter Type | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Bus Type | PCIe x8 | PCIe x4 | PCIe x8 | PCIe x8 | PCIe x16 |
| Compatibility | Windows, Linux, VMware | Windows / Linux / macOS | Windows / Linux / VMware / Hyper-V | Windows / Linux / macOS / VMware / Hyper-V | Windows, Linux, VMware, Hyper-V |
| Connection Interface | PCIe | PCIe | PCIe Gen4 | PCIe | PCIe Gen 4 |
| Connector Type | SFP+ | RJ-45 | RJ-45 | RJ-45 | SFP28 |
| Data Rate | 10Gbps | 10Gbps | 25Gbps | 10Gbps | 100Gbps |
| Depth | 9.25 inches | 0.7 inches | N/A | N/A | N/A |
| Form Factor | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card |
| Height | 3.5 inches | 1.5 inches | N/A | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Speed | 10Gbps | 10Gbps | 25Gbps | 10Gbps | 100Gbps |
| Maximum Range | N/A | 100 meters | 100 meters | 100 meters | N/A |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 15W | 15W | 15W | 39W | 25W |
| Product Name | Intel Ethernet Adapter X520DA2OCP | I710T4LOCPV3 10Gbps Ethernet Adapter | Intel® Ethernet Network Adapter E810XXVDA2 | Intel Ethernet Converged Network Adapter X710-T4 BLK | Intel Ethernet Converged Adapter E810XXVDA4BLK |
| Product Type | Network Adapter | Network Adapter | Network Adapter | Network Adapter | Network Adapter |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Supported Protocols | TCP/IP, UDP, iSCSI | TCP/IP / UDP | TCP/IP / UDP / iSCSI | TCP/IP / UDP / iSCSI | TCP/IP, UDP |
| Weight | 1.2 lbs | 1.2 lbs | N/A | N/A | N/A |
| Width | 1.5 inches | 4.5 inches | N/A | N/A | N/A |
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Questions & Answers
Q
What is the Intel Ethernet Server Adapter X520-DA2?
A
The X520-DA2 is a dual-port 10 Gigabit Ethernet PCIe 2.0 x8 server adapter designed for high-performance, low-latency network connectivity in enterprise and data center environments.
Q
What interface does the X520-DA2 use?
A
The adapter uses a PCI Express 2.0 x8 interface, providing up to 4 GB/s of bidirectional bandwidth for demanding network applications.
Q
What network speeds does the X520-DA2 support?
A
It supports 1 GbE and 10 GbE speeds, auto-negotiating to match connected switch or server port rates for maximum flexibility.
Q
How many ports are on the X520-DA2?
A
The X520-DA2 features two SFP+ ports, enabling simultaneous connections to two 10 GbE fiber or DAC links.
Q
Which cable types are compatible with the X520-DA2?
A
It is compatible with 10 GbE SR/LR/LRM fiber transceivers and Direct Attach Copper (DAC) cables for up to 7 meters of copper connectivity.
Q
Which operating systems are supported by the X520-DA2?
A
Intel provides drivers for Windows Server, various Linux distributions (RHEL, CentOS, Ubuntu), VMware ESXi and FreeBSD for broad platform compatibility.
Q
Does the X520-DA2 support virtualization features?
A
Yes, it includes Intel® Virtualization Technology for connectivity (VT-c), supporting SR-IOV and VMDq for efficient VM traffic management.
Q
What power consumption can I expect from the X520-DA2?
A
Typical power consumption is around 7 W under load, with idle power as low as 4 W, optimizing energy efficiency in 24/7 operations.
Q
Is the X520-DA2 hot-swappable?
A
No, the adapter is not hot-swappable; the host server must be powered down or in a maintenance state before installation or removal.
Q
What are the physical dimensions of the X520-DA2?
A
The full-height bracket card measures 167 mm × 69 mm, and a low-profile bracket is included for 2.7″ slot compatibility.
Q
How do I install the Intel X520-DA2 in my server?
A
Power off the server, insert the card into an available PCIe 2.0 x8 slot, secure the bracket, install the appropriate OS driver and reboot.
Q
What network management features are built into the X520-DA2?
A
It supports Intel® Ethernet Manager, SNMP, RMON, IEEE 802.1q VLAN tagging and flow control for comprehensive network administration.
Q
What warranty comes with the X520-DA2?
A
Intel offers a three-year limited hardware warranty covering defects in materials and workmanship under normal use.
Q
How does the X520-DA2 improve network reliability?
A
With features like Adaptive Load Balancing, IEEE 802.3ad Link Aggregation Control (LACP) and fault tolerance, the adapter ensures continuous uptime and redundancy.
Q
What advanced offload features does the X520-DA2 offer?
A
It includes TCP/IP checksum offload, Large Send Offload (LSO), Receive Side Scaling (RSS) and iSCSI/RDMA acceleration for CPU offload and high throughput.
