Intel I350T2V2 Dual-Port PCIe Gigabit Ethernet Server Adapter

BH #INI350T2V2 • MFR #I350T2V2
Intel I350T2V2 Dual-Port PCIe Gigabit Ethernet Server Adapter
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Intel I350T2V2 Overview

  • 1Description
  • 2General
  • 3Power Management and Efficiency
  • 4I/O Virtualization
  • 5Stateless Offloads/Performance
  • 6Remote Boot Options
  • 7Manageability Features
  • 8Adapter

The Intel I350T2V2 Dual-Port PCIe Gigabit Ethernet Server Adapter features the bridgeless Intel Ethernet Controller I350 and is suitable for both virtualized and iSCSI unified networking environments. This adapter includes power management technologies such as Energy Efficient Ethernet (EEE) and DMA Coalescing (DMAC). The adapter includes Intel Virtualization Technology for connectivity to deliver I/O virtualization and Quality of Service (QoS) features designed directly into the controller on the adapter.

With Flexible Port Partitioning (FPP), virtual controllers can be used by the Linux host directly and/or assigned to virtual machines. With this port partitioning, administrators can create up to 8 dedicated connections on a single Ethernet port for use in bare-metal and virtualized server deployments. In a bare-metal Linux server, host processes can be assigned to dedicated network resources to provide traffic isolation and balanced bandwidth allocation. In a virtualized environment, a VM can be assigned to a virtual controller to reduce the CPU overhead seen when using a software-based network bridge by offloading network traffic management to the controller.

This Ethernet server adapter with native iSCSI initiators built into Microsoft Windows, Linux, and VMware ESX platforms provides a simple way to connect to iSCSI SANs. These native initiators are broadly tested using multiple generations of operating systems, storage systems, and OS tools to help ensure reliability and ease of use. In addition, this adapter includes a number of hardware features designed to accelerate iSCSI traffic and enhance data processing. TCP segmentation offload and checksum offload capabilities help reduce processor usage, increase throughput, and deliver exceptional iSCSI performance. Using native OS initiators, it supports the CRC-32 digest instruction set included with Intel Xeon processor products, which improves transmission reliability and delivers an enterprise class iSCSI solution.

Advanced Power Management Technologies (PMTs) in the Ethernet Server Adapter I350 enables enterprises to configure power options on the adapter and more effectively manage their power consumption. The adapter supports the IEEE802.3az Energy Efficient Ethernet (EEE) standard so that, during periods of low network activity, EEE reduces the power consumption of an Ethernet connection by negotiating with a compliant EEE switch port to transition to a low power idle (LPI) state. This reduces the controller power to approximately 50% of its normal operating power, saving power on the network port and the switch port. As soon as increased network traffic is detected, the controller and the switch quickly come back to full power to handle the increased network traffic. EEE is supported for both 1000BASE-T and 100BASE-TX.

The adapter also features DMA Coalescing (DMAC) power saving. Based on the configurable DMAC settings, incoming packets are buffered momentarily before any DMA calls are made. This enables the controller to intelligently identify opportunities to batch multiple packets together so that when components are wakened from lower power states they can efficiently handle the batched packets at the same time. This enables platform components to remain in lower power states longer, which reduce platform energy consumption. DMAC synchronizes DMA calls across all controller ports to ensure maximum power savings.


  • Halogen-free dual-port Gigabit Ethernet adapter with copper interface
  • Innovative power management features including Energy Efficient Ethernet (EEE) and DMA Coalescing for increased efficiency and reduced power consumption
  • Flexible I/O virtualization for port partitioning and quality of service (QoS) of up to 32 virtual ports
  • Scalable iSCSI performance delivering cost-effective SAN connectivity
  • High-performing bridgeless design supporting PCI Express Gen 2.1 5GT/s
  • Enables higher bandwidth and throughput from standard and low-profile PCIe slots and servers
  • IEEE 802.3 auto-negotiation for automatic link configuration for speed, duplex, flow control
  • 1Gb/s Ethernet IEEE 802.3, 802.3u, 802.3ab specifications compliant for robust operation over installed base of CAT5 twisted-pair cabling
  • Integrated PHY for 10/100/1000 Mb/s for multispeed, full, and half-duplex
  • IEEE 802.3x and 802.3z compliant flow control support with software-controllable Rx thresholds and Tx pause frames
  • Local control of network congestion levels
  • Frame loss reduced from receive overruns
  • Automatic cross-over detection function (MDI/MDI-X)
  • The PHY automatically detects which application is being used and configures itself accordingly
  • IEEE 1588 protocol and 802.1AS implementation
  • Time-stamping and synchronization of time sensitive applications
  • Distribute common time to media devices

Power Management and Efficiency

  • Designed for low power consumption
  • IEEE802.3az  Energy Efficient Ethernet (EEE)
  • Power consumption of the PHY is reduced by approximately 50% link transitions to low power Idle (LPI) state as defined in the IEEE802.3az (EEE) standard
  • DMA coalescing reduces platform power consumption by coalescing, aligning, and synchronizing DMA
  • Enables synchronizing port activity and power management of memory, CPU, and RC internal circuitry  
  • Smart Power Down (SPD) at S0 no link / Sx no link
  • PHY powers down circuits and clocks that are not required for detection of link activity
  • Active State Power Management (ASPM) support
  • Optionality compliance bit to help determine whether to enable ASPM or whether to run ASPM compliance tests to support entry to L0s
  • LAN disable function offers the option to disable the LAN Port and/or PCIe function
  • Allows disabling just the PCIe function but keeping the LAN port that resides on it fully active (for manageability purposes and BMC pass-through traffic)
  • Advanced Power Management (APM) Support (formerly Wake on LAN)
  • Advanced Configuration and Power Interface (ACPI) specification v2.0c
  • Magic Packet wake-up enable with unique MAC address
  • APM—designed to receive a broadcast or unicast packet with an explicit data pattern (Magic Pack) and assert a signal to wake up the system
  • ACPI—PCIe power management based wake-up that can generate system wake-up events from a number of sources
  • ACPI register set and power down functionality supporting D0 and D3 states
  • A power-managed link speed control lowers link speed (and power) when highest link performance is not required
  • Power management controls in the MAC and PHY can be entered into a low-power state
  • Low power link up
  • Link speed control enables a link to come up at the lowest possible speed in cases where power is more important than performance
  • Power Management Protocol Offload (Proxying) avoids spurious wake up events and reduce system power consumption when the device is in D3 low power state and system is in S3 or S4 low power states
  • Latency Tolerance Reporting (LTR) reports service latency requirements for memory reads and writes to the root complex for system power management

I/O Virtualization

  • Eight transmit (Tx) and receive (Rx) queue pairs per port
  • Supports VMware NetQueue, and Microsoft VMQ
  • Flexible port partitioning
  • Virtual functions appear as Ethernet controllers in Linux and can be assigned to VMs, kernel processes or teamed using the Linux bonding drivers
  • Support for PCI-SIG SR-IOV specification, up to 8 virtual functions per port
  • Rx/Tx round-robin scheduling assigns time slices in equal portions in circular order for Rx/Tx for balanced bandwidth allocation
  • Traffic isolation allows processes or VMs to be assigned a dedicated VF with VLAN support
  • Traffic steering offloads sorting and classifying traffic in to VF or queues
  • VM to VM packet forwarding (packet loopback) enables PCIe speed switching between VM
  • MAC and VLAN anti-spoofing enables anti spoofing filter on MAC addresses and VLAN for VFs.
  • Monitors queues and VFs for malformed descriptors that might indicate a malicious or buggy driver
  • Storm control limits the broadcast or multicast traffic it can receive
  • Per-pool statistics, offloads, and jumbo frames support
  • Each queue pair or pool has its own statistics, off-loads, and Jumbo support options
  • Independent Function Level Reset (FLR) for physical and virtual functions
  • VF resets only the part of the logic dedicated to specific VF and does not influence the shared port
  • IEEE 802.1q Virtual Local Area Network (VLAN) support with VLAN tag insertion, stripping and packet filtering for up to 4096 VLAN tags
  • Adding (for transmits) and removing (for receives) of VLAN tags with no VM involvement
  • Filtering packets belonging to certain VLANs
  • IEEE 802.1q advanced packet filtering for lower processor utilization
  • Mirroring rules offers the ability to reflect network traffic to a given VM or VLAN based on up to four rules
  • Support for simple VEPA for external VM switching
  • VLAN, unicast, and multicast VF promiscuous modes

Stateless Offloads/Performance

  • TCP/UDP, IPv4 checksum offloads (Rx/ Tx/Large-send)
  • Extended Tx descriptors for more offload capabilities for improved CPU usage
  • Checksum and segmentation capability extended to standard packet type
  • IPv6 support for IP/TCP and IP/UDP receive checksum offload
  • Tx TCP segmentation offload (IPv4, IPv6) for increased throughput and lower processor usage
  • Compatible with large-send offload
  • Transmit Segmentation Offloading (TSO)
  • Large TCP/UDP I/O is segmented by the device to L2 packets according to the requested MSS
  • Interrupt throttling control limits maximum interrupt rate and improves CPU utilization
  • Legacy and Message Signal Interrupt (MSI) modes for interrupt mapping
  • Message Signal Interrupt Extension (MSI-X) for  dynamic allocation of up to 25 vectors per port
  • Intelligent interrupt generation for enhanced software device driver performance
  • Receive Side Scaling (RSS) for Windows environment
  • Scalable I/O for Linux environments (IPv4, IPv6, TCP/UDP); up to 8 queues per port
  • Support for packets up to 9.5kb (Jumbo Frames) improves the system performance related to handling of network data on multiprocessor systems
  • Features low latency interrupts based on the sensitivity of the incoming data, the controller can bypass the automatic moderation of time intervals between the interrupts
  • Header/packet data split in receive helps the driver to focus on the relevant part of the packet without the need to parse it
  • PCIe v2.1 TLP processing hint requester provides hints on a per transaction basis
  • Descriptor ring management hardware for transmit and receive
  • Optimized descriptor fetch and write-back for efficient system memory and PCIe bandwidth usage

Remote Boot Options

  • Preboot eXecution Environment (PXE) flash interface support enables system boot up via the EFI (32 bit and 64 bit)
  • Flash interface for PXE 2.1 option ROM
  • Intel Ethernet iSCSI remote boot for Windows, Linux, and VMware
  • Provides additional network management capability
  • Intel Boot Agent software: Linux boot via PXE or BOOTP, Windows Deployment Services, or UEFI enables networked computer to boot using a program code image supplied by a remote server
  • Complies with the Pre-boot eXecution Environment (PXE) version 2.1 specification

Manageability Features

  • Supports Management Component Transport Protocol (MCTP)
  • Baseboard management controller (BMC) communication between add-in devices using a standardized protocol
  • Firmware-based thermal management enables programming via the BMC to initiate thermal actions and report thermal occurrences
  • IEEE 802.3 MII Management Interface enables the MAC and software to monitor and control the state of the PHY
  • Enhanced control capabilities through PHY reset, link status, duplex indication, and MAC Dx power state
  • Watchdog timer defined by the FLASHT register to minimize flash updates
  • Extended error reporting for messaging support to communicate multiple types/severity of errors
  • Controller memory protection protects main internal memories by error correcting code (ECC) or parity bits


  • Plug and play support
  • I/O Acceleration Technology (Intel I/OAT) for system throughput
  • Ships with full-height bracket installed
  • Low-profile bracket included in package
  • Supports cable lengths up to 328’ (100m)
UPC: 735858286091

Intel I350T2V2 Specs

Data Rate Supported Per Port10/100/1000 Mb/s
Bus TypePCI Express 2.1 (5 GT/s)
Bus Width4-lane PCI Express; operable in x4, x8, and x16 slots
Interrupt LevelsINTA, INTB, INTC, INTD, MSI, MSI-X
Hardware CertificationsFCC B, UL, CE, VCCI, BSMI, CTICK, KCC
Controller-ProcessorIntel Ethernet Controller I350
ConnectorsRJ-45 (Copper)
LED IndicatorsConnect Speed
Not Illuminated: 10 Mb/s
Green: 100 Mb/s
Amber: 1 Gb/s
Power Consumption (typical)4.4 W
IEEE Standards/Network TopologyIEEE 802.3/10BASE-T, 100BASE-TX, 1000BASE-T
CablingCopper: CAT3 or higher for 10BASE-T operation, CAT5 or higher for 100BASE-TX operation, CAT5e or higher for 1000BASE-T operation
Operating Temperature32 to 131°F (0 to 55°C)
Storage Temperature-40 to 158°F (-40 to 70°C)
Storage Humidity90% non-condensing relative humidity at 95°F (35°C)
Dimensions (L x W)5.3 x 2.7" (13.5 x 6.9 cm)
Full-height end bracket: 4.7" 12.0 cm)
Low-Profile End Bracket: 3.1" (7.9 cm)
Packaging Info
Package Weight0.395 lb
Box Dimensions (LxWxH)8.8 x 5.7 x 1.2"
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