# Motherboard Lenovo 5B21J39244 for desktop systems with AMD Ryzen 5 support

**URL:** https://aio.lv/en/product--lenovo-5b21j39244--12218729
**Data updated:** 2026-03-27 13:59 (EET)
**Category:** Motherboards
**Manufacturer:** Lenovo
**Manufacturer code:** 5B21J39244
**EAN:** 5715063861981
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Lenovo motherboard model 5B21J39244 designed for desktop systems and compatible with AMD Ryzen 5 processors. This motherboard provides the main system interface and connectivity for CPU, memory, and peripherals. It is intended for system builders and technicians replacing or upgrading Lenovo desktop components and supports typical motherboard functions such as processor socket, memory slots, chipset connections and I/O integration.

## Long description

Lenovo 5B21J39244 is a desktop motherboard designed to provide core system connectivity and support for AMD Ryzen 5 processors. It serves as the central platform for CPU, system memory, storage interfaces and external I/O in compatible Lenovo desktop systems. The board integrates essential chipset functions and expansion capabilities required for rebuilding, repairing or upgrading a desktop PC.
Advantages
This Lenovo motherboard offers reliable compatibility with AMD Ryzen 5 CPUs and standard desktop memory modules, enabling stable platform performance for office, multimedia and general-purpose computing. It consolidates processor, memory and peripheral connections on a single board and is built to fit designated Lenovo desktop chassis and cooling layouts, simplifying replacement or upgrade tasks for technicians and system builders.
Suitable for
 Repairing or replacing a failed motherboard in compatible Lenovo desktop systems
 Upgrading a Lenovo desktop to support AMD Ryzen 5 processors
 System building and testing in repair workshops and service centers
 Restoring functionality after component-level failures or system refurbishing
Key specifications
 Form factor and mounting compatible with designated Lenovo desktop chassis
 Processor support for AMD Ryzen 5 desktop CPUs (socket type and chipset specific to model)
 Memory support via standard desktop DIMM slots (dual-channel configurations possible)
 Onboard chipset providing system bus, I/O and peripheral management
 Integrated I/O connectors for storage, USB and video outputs as provided on the original board
 Expansion slot(s) for add-on cards consistent with the board layout
How to use
Install the motherboard into a compatible Lenovo desktop chassis following the manufacturer’s standoff and mounting pattern. Fit the supported AMD Ryzen 5 processor into the correct CPU socket, apply compatible cooling solution and insert memory modules into the DIMM slots according to recommended channel population. Connect power supply cables, storage devices, front-panel connectors and required I/O cables, then perform initial BIOS/UEFI setup and memory/CPU configuration. Use appropriate anti-static precautions and consult official Lenovo service documentation for detailed disassembly and assembly steps.
Usage recommendations
Ensure BIOS/UEFI firmware is up to date before deploying the system; verify memory modules and cooling are compatible with the installed AMD Ryzen 5 processor. For repairs or upgrades, use genuine or manufacturer-recommended parts and follow Lenovo service instructions to maintain system stability and thermal performance.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. 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

## Image

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