WGI21x Ethernet Controllers Intel WGI21x Ethernet Controllers provide an ideal GbE solution for customers looking for full-featured Gigabit Ethernet Media Access Control (MAC) and Physical-Layer (PHY) for desktop, server, and embedded applications. These devices support advanced features such as Audio-Video Bridging (AVB), 802.3az Energy Efficient Ethernet (EEE), IEEE 802.1AS Precision Time Stamping, Error Correcting Code (ECC) Packet Buffers, Integrated Non-Volatile Memory, and Enhanced Management Interface Options. The WGI217 offers support for Intel® vPro™ technology.