| Connectivity technology | Wired |
| Host interface | PCI Express |
| Ethernet LAN (RJ-45) ports | 2 |
| PCI version | 2.0 |
| Maximum data transfer rate | 10000 Mbit/s |
| Ethernet LAN data rates | 10,1000 Mbit/s |
| Full duplex | Yes |
| Fiber mode structure | Multi-mode |
| Maximum operating distance | 300 m |
| LAN controller | Intel® 82599 |
| Internal | Yes |
| Plug and Play | Yes |
| Certification | FCC B, UL, CE, VCCI, BSMI, CTICK, KCC |
| Compatible operating systems | https://www.intel.com/content/www/us/en/support/articles/000025890/network-and-i-o/ethernet-products.html |
| Operating temperature (T-T) | 0 - 55 °C |
| Storage temperature (T-T) | -40 - 70 °C |
| Width | 145.5 mm |
| Harmonized System (HS) code | 85176990 |
| Compliance industry standards | IEEE 802.3 |
| Cable type | MMF up to 300m |
| Market segment | Server |
| Data transfer rate | 10 Gbit/s |
| Ports quantity | 2 |
| Link/Act LED | Yes |
| Intel Virtual Machine Device Queues (VMDq) | Yes |
| PCI-SIG* SR-IOV Capable | Yes |
| On-chip QoS and Traffic Management | Yes |
| Intel Flexible Port Partitioning | Yes |
| Speed & slot width | 5.0 GT/s, x8 Lane |
| Message signal interrupt | Yes |
| Low halogen options available | No |
| Intelligent Offloads | Yes |
| iWARP/RDMA | No |
| Fiber Channel over Ethernet | Yes |
| Intel Data Direct I/O Technology | Yes |
| Intel Virtualization Technology for Connectivity (VT-c) | Yes |
| Interface type | PCIe v2.0 (5.0 GT/s) |
| Product type | Network Interface Card |
| Thermal Design Power (TDP) | 10.7 W |
| Number of QPI links | Dual |
| Processor family | 500 Network Adapters (up to 10GbE)-500 Network Adapters (up to 10GbE) |
| Ethernet adapter ARK ID | 39774 |
| Export Control Classification Number (ECCN) | 5A992C |
| Commodity Classification Automated Tracking System (CCATS) | G135872 |
| Controller type | Intel® 82599 10 Gigabit Ethernet Controller |
| Cabling type | MMF up to 300m |
| Bracket height | Low-Profile (LP) / Full-Height (FH) |
| Storage Over Ethernet | iSCSI, FCoE, NFS |
| Born on date | Q3'09 |
| Launch date | Q3'09 |
| Network interface card cable medium | Fiber |
| Network interface card type | Server |
| Product brief URL | https://www.intel.com/content/www/us/en/ethernet-products/converged-network-adapters/ethernet-x520-server-adapters-brief.html |
| Product name | Intel Ethernet Converged Network Adapter X520-SR2 |
| Status | Launched |
| Last change | 64826814 |
| Product family | Intel 10 Gigabit server adapter |
| Product series | 500 Series Network Adapters (up to 10GbE) |
| Product codename | Spring Fountain |
| Description |
| Intel E10G42BFSR. Internal. Connectivity technology: Wired, Host interface: PCI Express. Maximum data transfer rate: 10000 Mbit/s |
