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Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56
Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56
Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56
Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56
Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56
Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56
Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56
Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56
Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56
Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56
Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56
Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56
Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56
Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56
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Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56

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KTI226V Product Overview

The Intel Ethernet Controller KTI226V is a high-performance, low-power single-port multi-gigabit Ethernet controller from Intel, part of the I226-V series. Housed in a 56-pin VQFN (7×7mm) compact package, the KTI226V is a fully integrated Gigabit Ethernet Media Access Control (MAC) and Physical Layer (PHY) device. The KTI226V connects to the host system via a PCI Express 3.1 (5 GT/s) x1 interface, supporting 10/100/1000/2500 Mbps data rates. As an iterative upgrade to the I225-V, the KTI226V offers further optimizations in power consumption and Time-Sensitive Networking (TSN) features, making it ideal for mainstream desktops, workstations, and industrial embedded systems requiring cost-effective multi-gigabit connectivity.


KTI226V Key Features

The KTI226V embodies Intel's deep expertise in high-performance networking through its robust hardware architecture and feature set. It features a PCI Express 3.1 (5 GT/s) x1 host interface, delivering data transfer rates up to 2.5Gbps. The KTI226V offers a fully integrated single-port Gigabit MAC and PHY supporting 10BASE-Te, 100BASE-TX, 1000BASE-T, and 2500BASE-T. The KTI226V supports IEEE 802.3u auto-negotiation, automatic polarity correction, and smart speed operation. The KTI226V supports Time-Sensitive Networking (TSN) features including IEEE 802.1AS-rev, 802.1Qav, and 802.1Qbv. The KTI226V supports 9KB Jumbo Frames, UDP/TCP/IP checksum offload, and TCP segmentation offload (TSO) . The KTI226V features 4 transmit and 4 receive queues. The KTI226V operates from 3.3V (I/O) and 0.95V (core) , with a temperature range of -40℃ to +85℃ . The KTI226V supports Intel® Stable Image Platform Program (Intel® SIPP) .


KTI226V Applications

With its exceptional 2.5G high-speed transmission, compact package, and rich TSN feature set, the KTI226V is widely deployed in demanding networking environments. As a core controller, the KTI226V is an ideal component for mainstream desktops, workstations, and entry-level servers. The KTI226V is also suitable for space-constrained industrial embedded designs such as industrial automation equipment and machine vision systems. With its Time-Sensitive Networking (TSN) support, the KTI226V is particularly well-suited for industrial automation scenarios requiring precise time synchronization and deterministic communication. The KTI226V is widely used in 2.5G single-port Ethernet adapters (e.g., LRES1059PT) , M.2 A+E 2.5GbE NICs, and industrial motherboards.


KTI226V Key Advantages

The KTI226V stands out as a mature, commercially available mainstream single-port multi-gigabit Ethernet controller that strikes an excellent balance between high-speed performance, low power consumption, and cost-effectiveness. Housed in a 56-pin VQFN (7×7mm) compact package with an integrated Gigabit MAC and PHY, the KTI226V supports data rates up to 2.5Gbps while remaining backward compatible with Gigabit and Fast Ethernet. The KTI226V offers further optimizations in power consumption and TSN features compared to the previous generation I225-V. The KTI226V supports Time-Sensitive Networking (TSN) features, meeting industrial real-time communication requirements. The KTI226V supports an industrial-grade -40℃ to +85℃ operating temperature range. Intel provides comprehensive driver support for the KTI226V across Windows and Linux. The KTI226V offers system integrators and OEMs a highly competitive multi-gigabit Ethernet connectivity solution.


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Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56Intel KTI226V Ethernet Controller I226-V Single Port 2.5G PCIe 3.1 TSN Time-Sensitive Networking VQFN-56 Intel KTI226V Ethernet Controller 2.5G PCIe 3.1 VQFN-56


FAQs:

1 What is the KTI226V S RKTU chip
It is an Intel 2.5G Ethernet controller chip from the I226 series integrating MAC and PHY layers with a single-port design, commonly used in high-performance industrial PCs, desktop motherboards, and small network devices.
2 What package and dimensions does it use
It uses a VQFN-56-EP no-lead package with dimensions of 7 by 7 millimeters, a lead pitch of 0.4 millimeters, and an exposed thermal pad on the bottom.
3 What network speeds does it support
It supports auto-negotiation of 10M, 100M, 1G, and 2.5G Ethernet speeds, fully compliant with IEEE 802.3 specifications.
4 What host bus interface does it support
It supports a single-lane PCIe 3.1 (5GT/s) high-speed bus interface and is compatible with PCIe x4, x8, and x16 slots.
5 What are the operating voltage and temperature ranges
It uses a dual-power design of 3.3V and 0.95V. As an I226-IT industrial grade version, the operating temperature range is from -40°C to +85°C.
6 What advanced network features does it support
It supports Time Sensitive Networking (TSN), Energy Efficient Ethernet (EEE), IEEE 1588 precise time synchronization, VLAN filtering, VMDq virtualization, and hardware checksum offloading.
7 What applications is this chip suitable for
It is primarily used in 2.5G network cards, industrial control motherboards, compact PCIe NICs, and space-constrained single-port embedded network devices.
8 How is the power consumption
It uses a multi-voltage design with a typical maximum power of approximately 2.0W in standard scenarios and supports low-power modes to reduce system energy consumption.
9 What features does this chip support
It supports programmable LED indicators, Wake-on-LAN (WoL), Jumbo Frames (9KB), and automatic crossover detection.
10 What are the design considerations for the VQFN-56 package
Ensure the bottom thermal pad is grounded to a large copper area for effective heat dissipation and signal integrity; RGMII data lines and PCIe differential traces must strictly follow impedance matching and equal-length routing.


Brand:
Intel
Model Number:
KTI226V
Product Series:
Intel Ethernet Controller I226-V Series
Port Count:
Single Port
Data Rate:
2.5 Gb/s
Ethernet Speed Standards:
10BASE-Te；100BASE-TX；1000BASE-T；2500BASE-T
Host Interface:
PCI Express 3.1（5 GT/s）x1
Package:
VQFN-56
Operating Temperature:
-40℃ ~ +85℃
Spec Code:
SRKTU
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