Does this lenovo tb4 dock have realtek 8153 or intel i225 ethernet?

The circuit board appears to have both Realtek 8153 and Intel i225 chips. When connected to a Surface Pro 8 or Surface Laptop Studio, only the Realtek Ethernet device appears in device manager. The Intel i225 is nowhere to be found. Connecting the Dock to other laptops may result in different behavior.

Funciona con lenovo e15?

The item is compatible with the following E15 Lenovo models: E15 G4-21E6 - E15 Gen 4 and E15 G4-21E7 - E15 Gen 4.

My laptop is giving me a charging error when I reboot while connected to the dock. Is this normal?

There could be a few reasons why this is happening. The 1st being a compatibility error, I am sure you checked compatibility before buying. The 2nd is that a driver or utility update is needed, these are free downloads on Lenovo sight. The 3rd being a loose ac connection. The 4th being an internal error with your laptop due to a MS Windows update. If you have an external battery, turn off your system, remove and re-install the external battery. If not, be sure that the update was fully installed. Supported OS:Win10 64 bit, Win 11 64 bit. The last issue would be that you received a non-USA version of 40B00135US. The USA version has the suffix "US" on the part # (suffix with : UK, CN, AS, ect ect are all docks made for a different country). Always be sure to received USA Product, 40B00135US, UPC 195348677271, the original Lenovo USA packaging should be present and it needs to be sealed with the Red Lenovo authenticity seal. Dock Drivers https://pcsupport.lenovo.com/us/en/accessories/pd500503

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Description

⚡ Elevate your desk game: Power, speed, and 4K brilliance in one sleek dock!

DYNAMIC 100 W CHARGING - Power your laptop and peripherals efficiently with up to 100W dynamic charging — no more hunting for outlets.
BLAZING FAST TRANSFERS - Experience ultra-responsive workflows with lightning-fast 40 Gbps data throughput, perfect for heavy multitasking.
SMART REMOTE MANAGEMENT - Keep productivity uninterrupted with remote firmware updates via Dock Manager, designed for the modern hybrid professional.
UNIVERSAL COMPATIBILITY - Seamlessly connect with all Thunderbolt 3/4, USB4, and USB-C Windows devices — freedom to work your way.
ONE CABLE INFINITE POWER - Simplify your workspace with a single Thunderbolt 4 cable powering up to four 4K displays or one stunning 8K screen.

The Lenovo ThinkPad Universal Thunderbolt 4 Dock is a premium docking station engineered for professionals demanding ultimate productivity. It supports up to four 4K displays or a single 8K display, delivers ultra-fast 40 Gbps data transfer speeds, and offers dynamic power delivery up to 100W. Compatible with Thunderbolt 3/4, USB4, and USB-C Windows devices, it also features smart remote management for seamless firmware updates without downtime.

Specifications

Brand	Lenovo
Manufacturer	40B00135US-X800
Model	40B00135UK
Model Name	Lenovo ThinkPad Thunderbolt 4 Dock - US (40B00135US) With 135w AC & Power Cord
Product Dimensions	15.24 x 7.62 x 2.54 cm; 526.17 g
Item model number	40B00135UK
Operating System	â€Žandroid,linux,windows
Hardware Interface	Thunderbolt 3, Thunderbolt 4, USB Type C
Compatible Devices	MacBook Pro
Special Features	Universal Compatibility
Number of items	1
Wattage	100
Batteries Included	No
Batteries Required	No
Number of Ports	11
Total USB ports	5
Does it contain liquid?	No
Includes Rechargeable Battery	No
Manufacturer	40B00135US-X800
Item Weight	526 g

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