What type of Ethernet port is included, and is there an adapter needed for any specific network connections?

The product includes an Ethernet port that is 1 x RJ-45.

Questions & Answers: Lenovo ThinkBook 16 Gen 6 Business Laptop (16" FHD+ Touchscreen, Intel 8-Core i5-13420H, 32GB DDR5 RAM, 1TB SSD) 10-Hour Long Battery Life, Thunderbolt 4, Ethernet, Wi-Fi 6, Webcam, Win 11 Pro, Grey

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Lenovo ThinkBook 16 Gen 6 Business Laptop (16" FHD+ Touchscreen, Intel 8-Core i5-13420H, 32GB DDR5 RAM, 1TB SSD) 10-Hour Long Battery Life, Thunderbolt 4, Ethernet, Wi-Fi 6, Webcam, Win 11 Pro, Grey

The ThinkBook 16, with a 13th Gen Intel Core i5-13420H, offers up to 4.6GHz speeds. Its 8 cores and 12 threads make multitasking easy for professionals and businesses.
A 16-inch WUXGA IPS touch display with 1920x1200 resolution offers stunning visuals. Intel Iris Xe Graphics supports 3 monitors via HDMI and Thunderbolt 4, including 4K at 60Hz.
Multiple ports like USB 3.2, USB-C, Thunderbolt 4, and HDMI keep you connected. Wi-Fi 6 and Bluetooth 5.2 ensure fast and reliable wireless connections.
With 32GB DDR5 RAM and 1TB NVMe SSD, enjoy fast data access and ample storage.
MIL-SPEC 810H tested, the ThinkBook 16 is durable. With Windows 11 Pro and business security features, it ensures a secure environment for professional tasks.
Brand New Computer has been resealed to upgrade the Memory and SSD. One-year support from the manufacturer. Three-year warranty for upgraded Memory/SSD for Issaquah Highlands Tech customers.

$899^.99 –