# Motherboard for Lenovo ThinkPad T490s — model 5B21C98745, compatible with Intel i5-8265U / 8GB / 9560 / yTPM2

**URL:** https://aio.lv/en/product--lenovo-wini5-8265u8g9560ytpm2--11721937
**Data updated:** 2026-03-08 11:25 (EET)
**Category:** Memory (RAM)
**Manufacturer:** Lenovo
**Manufacturer code:** WIN,i5-8265U,8G,9560,yTPM2
**EAN:** 5704174814979
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Replacement motherboard 5B21C98745 for Lenovo ThinkPad T490s. Designed for compatibility with systems using Intel i5-8265U CPU configuration, 8GB memory setups, Intel 9560 wireless module and yTPM2 security. Intended for repair or refurbishment of compatible T490s laptops; suitable for replacing a faulty mainboard to restore system functionality.

## Long description

Replacement motherboard 5B21C98745 for Lenovo ThinkPad T490s designed for systems configured with Intel i5-8265U processor, 8GB memory module population, Intel 9560 wireless adapter and yTPM2 security. This board is intended for repair or refurbishment of compatible ThinkPad T490s laptops to restore full system functionality when the original mainboard is faulty or damaged. The motherboard supports the laptop’s existing connectors, ports and onboard components to maintain original device behavior.
Advantages
The motherboard offers direct compatibility with Lenovo ThinkPad T490s systems that use the listed CPU and modules, allowing straightforward swap-in replacement during repair. Using a board that matches the original hardware configuration helps preserve system stability, security features such as yTPM2 and wireless functionality via the Intel 9560 module. The design follows the original layout to reduce the need for additional modifications or re-cabling.
Suitable for
Repairing a ThinkPad T490s with a faulty mainboard
Refurbishing used T490s laptops to factory-like hardware configuration
Replacing a damaged motherboard to recover system boot and hardware features
Maintaining yTPM2 security and integrated wireless adapter functionality
Key specifications
Processor compatibility: Intel Core i5-8265U
Memory configuration: supports 8 GB onboard memory population
Wireless: compatible with Intel Wireless-AC 9560 module
Security: yTPM2 implemented for platform security features
Form factor and connector layout: designed for Lenovo ThinkPad T490s internal chassis
Colour: Multicolour (board components and connectors vary in finish)
How to use
Power off the laptop, disconnect all power sources and remove the battery if externally accessible. Ground yourself to avoid electrostatic discharge, open the T490s bottom cover, and carefully disconnect cables and modules attached to the original motherboard including storage, display cable, keyboard, and wireless module. Remove mounting screws and lift out the faulty board, then place the replacement 5B21C98745 board into the chassis aligning screw holes and connectors. Reconnect cables and modules in reverse order, secure the board with screws, reassemble the chassis, reinstall the battery and power on the laptop to verify system boot, wireless operation and yTPM2 functionality.
Usage recommendations
Perform a full hardware verification and BIOS/firmware check after installation. If the system shows mismatched firmware or security settings, update the BIOS and reconfigure TPM settings according to Lenovo support guidance. Use compatible thermal interface materials and ensure proper cooling assembly during reinstallation to maintain system reliability.

## Specifications

| Feature | Value |
|---|---|
| Type | Motherboard |
| Brand compatibility | Lenovo |

### Features

| Feature | Value |
|---|---|
| Product colour | Multicolour |

### Other features

| Feature | Value |
|---|---|
| Compatibility | ThinkPad T490s |

### Software

| Feature | Value |
|---|---|
| Windows operating systems supported | Y |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Lenovo products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Lenovo service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

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