Intel® Ethernet Controller I211-AT
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Intel® Ethernet Controller I211 Series
Products formerly Pearsonville
PCN#118543 LOD April 22, 2022
Operating Temperature Range
0°C to 70°C
Operating Temperature (Maximum)
Operating Temperature (Minimum)
Data Rate Per Port
System Interface Type
PCIe v2.1 (2.5 GT/s)
NC Sideband Interface
Jumbo Frames Supported
Speed & Slot Width
2.5 GT/s, x1 Lane
9mm x 9mm
Intel® Virtualization Technology for Connectivity
Ordering and Compliance
Ordering and spec information
Intel® Ethernet Controller I211-AT, Tape
- MM# 925144
- Spec Code SLJXY
- Ordering Code WGI211AT
- Stepping A2
Intel® Ethernet Controller I211-AT, Tray
- MM# 925145
- Spec Code SLJXZ
- Ordering Code WGI211AT
- Stepping A2
Trade compliance information
- ECCN 5A991
- CCATS NA
- US HTS 8542310001
Drivers and Software
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Latest Drivers & Software
Intel® Ethernet Adapter Complete Driver Pack
This download installs version 27.4 of the Intel® Ethernet Adapter Complete Driver Pack for supported OS versions.View download options.
Intel® Ethernet Product Software Release Notes
Provides Intel® Ethernet Product Release Notes. (27.4)View download options.
Adapter User Guide for Intel® Ethernet Adapters
This download contains the 27.4 version of the Intel® Ethernet Adapter User Guide.View download options.
Intel® Network Adapter Driver for Windows® 10
Installs the Intel® Network Adapter drivers release 27.2 for Windows® 10View download options.
Intel® Ethernet Connections Boot Utility, Preboot Images, and EFI Drivers
This download version 27.3 installs UEFI drivers, Intel® Boot Agent, and Intel® iSCSI Remote Boot images to program the PCI option ROM flash image and update flash configuration options.View download options.
Intel® Network Adapter Driver for 82575/6, 82580, I350, and I210/211-Based Gigabit Network Connections for Linux*
Intel® Network Adapter Driver for 82575/6, 82580, I350, and I210/211-based Gigabit Network Connections for Linux*View download options.
Intel® Network Adapter Driver for 82575/6 and 82580-Based Gigabit Network Connections under FreeBSD*
Installs the FreeBSD* base driver for Intel® 82575/6, 82580, I210/1 and I350 Ethernet Controllers.View download options.
Disabling TCP-IPv6 Checksum Offload Capability with Intel® 1/10 GbE Controllers
Disabling TCP-IPv6 Checksum Offload Capability with Intel® 1/10 GbE ControllersView download options.
The date the product was first introduced.
Expected Discontinuance is an estimate of when a product will begin the Product Discontinuance process. The Product Discontinuance Notification (PDN), published at the start of the discontinuance process, will include all EOL Key Milestone details. Some business units may communicate EOL timeline details before the PDN is published. Contact your Intel representative for information on EOL timelines and extended life options.
PCI-SIG* SR-IOV Capable
Single-Root I/O Virtualization (SR-IOV) involves natively (directly) sharing a single I/O resource between multiple virtual machines. SR-IOV provides a mechanism by which a Single Root Function (for example a single Ethernet Port) can appear to be multiple separate physical devices.
Fiber Channel over Ethernet
Fibre Channel over Ethernet (FCoE) is an encapsulation of Fibre Channel frames over Ethernet networks. This allows Fibre Channel to use 10 Gigabit Ethernet networks (or higher speeds) while preserving the Fibre Channel protocol.
MACsec IEEE 802.1 AE
802.1AE is the IEEE MAC Security (MACsec) standard which defines connectionless data confidentiality and integrity for media access independent protocols.
IEEE 1588, also knows as the Precision Time Protocol (PTP) is a protocol used to synchronize clocks throughout a computer network. On a local area network it achieves clock accuracy in the sub-microsecond range, making it suitable for measurement and control systems.
iWARP delivers converged, low-latency fabric services to data centers through Remote Direct Memory Access (RDMA) over Ethernet. The key iWARP components that deliver low-latency are Kernel Bypass, Direct Data Placement, and Transport Acceleration.
RoCEv2/RDMA (Remote Direct Memory Access over Converged Ethernet v2) delivers converged, low-latency fabric services to data centers through RDMA over UDP/IP. UDP/IP (User Datagram Protocol) is a communication protocol used for time-sensitive transmissions such as video or voice that speeds up communications by not requiring a “handshake” from the receiving party.
Intel® Data Direct I/O Technology
Intel® Data Direct I/O Technology is a platform technology that improves I/O data processing efficiency for data delivery and data consumption from I/O devices. With Intel DDIO, Intel® Server Adapters and controllers talk directly to the processor cache without a detour via system memory, reducing latency, increasing system I/O bandwidth, and reducing power consumption.
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Refer to Datasheet for formal definitions of product properties and features.
‡ This feature may not be available on all computing systems. Please check with the system vendor to determine if your system delivers this feature, or reference the system specifications (motherboard, processor, chipset, power supply, HDD, graphics controller, memory, BIOS, drivers, virtual machine monitor-VMM, platform software, and/or operating system) for feature compatibility. Functionality, performance, and other benefits of this feature may vary depending on system configuration.
“Announced” SKUs are not yet available. Please refer to the Launch Date for market availability.