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Intel’s new family of Intel® Ethernet X520 Server Adapters are the most flexible and scalable Ethernet adapters for today’s demanding data center environments.

The Intel® Ethernet X520 Server Adapter family addresses the demanding needs of the next-generation data center by providing unmatched features for virtualization, flexibility for LAN and SAN networking, and proven, reliable performance.

Features and benefits
- Intel® 82599 10 Gigabit Ethernet Controller
Industry-leading, energy-efficient design for next-generation 10 Gigabit performance and multi-core processors;
- Low-profile
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 balancing network loads across
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;
- Support for most network operating systems (NOS)
Enables widespread deployment;
- RoHS-compliant2
Complies with the European Union directive 2002/95/EC to reduce the use of hazardous materials;
- Intel® PROSet utility for Microsoft Windows* Device Manager
Provides point-and-click management of individual adapters, advanced adapter features, connection
teaming, and virtual local area network (VLAN) configuration;
- Time Sync (IEEE 1588, 802.1as)
Lets networked Ethernet equipment synchronize internal clocks according to a network master clock;
endpoint can then acquire an accurate estimate of the master time by compensating for link latency;


Product id 277875
Brand Intel
Partnr E10G42BTDA
EAN/UPC code 5032037041461
Warranty (months) 36 months
Data transfer rate 10 Gbit/s
Ports & interfaces
Connectivity technology Wired
Host interface PCI Express
Interface Ethernet
Ethernet LAN (RJ-45) ports 2
Fiber optic connector SFP+
PCI version 2.0
Maximum data transfer rate 10000 Mbit/s
Ethernet LAN data rates 10, 1000 Mbit/s
Full duplex Y
Maximum operating distance 10 m
LAN controller Intel 82599
Internal Y
Chipset Intel 82599EN
Plug and Play Y
Certification FCC B, UL, CE, VCCI, BSMI, CTICK, KCC
Operational conditions
Operating temperature (T-T) 0 - 55 °C
Storage temperature (T-T) -40 - 70 °C
System requirements
Compatible operating systems https://www. intel. com/content/www/us/en/support/articles/000025890/network-and-i-o/ethernet-products. html
Weight & dimensions
Width 145.5 mm
Other features
Compliance industry standards IEEE 802.3
Cable type SFP+ Direct Attached Twin Axial Cabling up to 10m
Intel Data Direct I/O Technology Y
Intel Virtualization Technology for Connectivity (VT-c) Y
Interface type PCIe v2.0 (5.0 GT/s)
Market segment Server
Product type Network Interface Card
Cabling type SFP+ Direct Attached Twin Axial Cabling up to 10m
Controller type Intel® 82599 10 Gigabit Ethernet Controller
Commodity Classification Automated Tracking System (CCATS) G135872
Export Control Classification Number (ECCN) 5A992C
Harmonized System (HS) code 8517620090
Ethernet adapter ARK ID 39776
Processor family 500 Network Adapters (up to 10GbE)-500 Network Adapters (up to 10GbE)
Number of QPI links Dual
Thermal Design Power (TDP) 8.6 W
Bracket height Low-Profile (LP) / Full-Height (FH)
Intel Ethernet Power Management Y
Ports quantity 2
Link/Act LED Y
Intel® Virtualization Technology (Intel® VT) VT-c
Intel Virtual Machine Device Queues (VMDq) Y
On-chip QoS and Traffic Management Y
Intel Flexible Port Partitioning Y
Speed & slot width 5.0 GT/s, x8 Lane
Message signal interrupt Y
Fiber Channel over Ethernet Y
Intelligent Offloads Y
Low halogen options available N
Product name Intel Ethernet Converged Network Adapter X520-DA2
Status Launched
Product brief URL https://www. intel. com/content/www/us/en/ethernet-products/converged-network-adapters/ethernet-x520-server-adapters-brief. html
Network interface card type Server
Network interface card cable medium Copper
Launch date Q3'09
Born on date Q3'09
Last change 64826816
Storage Over Ethernet iSCSI, FCoE, NFS
Product family Intel 10 Gigabit server adapter
Product series 500 Series Network Adapters (up to 10GbE)
Product codename Spring Fountain