# Motherboard Lenovo 5B21J05042 Intel chipset ATX form factor

**URL:** https://aio.lv/en/product--lenovo-5b21j05042--9526137
**Data updated:** 2026-02-17 10:59 (EET)
**Category:** Motherboards
**Manufacturer:** Lenovo
**Manufacturer code:** 5B21J05042
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 304.99 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 252.06 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-5b21j05042--9526137

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

Lenovo motherboard model 5B21J05042 equipped with an Intel chipset in an ATX form factor. Designed for desktop systems compatible with Lenovo specifications, it provides standard ATX mounting and connector layout for integration into compatible cases and power supplies. Suitable for system builders and repair services replacing or upgrading Lenovo desktops.

## Long description

Lenovo motherboard model 5B21J05042 features an Intel chipset and an ATX form factor intended for desktop systems that follow Lenovo mechanical and electrical specifications. The board provides the standard ATX mounting pattern and connector layout for integration with compatible cases, power supplies, and common desktop components. It is designed for use in Lenovo desktop platforms where original-equivalent replacement or upgrade is required and supports typical desktop expansion and connectivity options found on ATX motherboards.
Advantages
This Lenovo ATX motherboard offers a compatible form factor and connector placement that simplify replacement and installation in Lenovo-compatible chassis. The Intel chipset provides a foundation for mainstream desktop CPU support, memory interfaces, and integrated platform functions. A standard ATX layout helps ensure compatibility with common power supplies and cooling solutions, making it suitable for system repair, refurbishment, or targeted upgrades without requiring custom mounting or adaptors.
Suitable for
Repairing or replacing the mainboard in Lenovo desktop systems that accept ATX boards.
Refurbishing desktop PCs for resale or internal reuse.
System builders assembling desktops that require Lenovo-compatible board layout and connectors.
Upgrading or restoring functionality after motherboard failure while keeping existing compatible components.
Key specifications
Form factor: ATX standard layout for case mounting and component placement.
Chipset: Intel-series chipset providing platform controller functions for CPU, memory, storage and I/O.
Memory support: Standard desktop DIMM slots (type and capacity depend on model family and processor used).
Expansion: Standard PCI/PCIe expansion slot layout compatible with common add‑in cards.
Storage interfaces: Standard SATA connectors for hard drives and SSDs (number depends on specific board variant).
I/O panel: Standard rear I/O connectors for USB, Ethernet, audio and video outputs depending on integrated controllers.
Power: Standard ATX power connector layout compatible with common desktop power supplies.
How to use
Install the motherboard into a compatible ATX case using the standard mounting standoffs and screws, connect the main ATX power cable and any auxiliary power connectors required by the CPU or chipset, and attach storage drives, memory modules and expansion cards into their respective slots. Connect front-panel headers for power switch, LEDs and USB/audio as required, then connect monitor, keyboard, mouse and network cables to the rear I/O. After physical installation, enter the system BIOS/UEFI to verify settings, update firmware if needed, and install or restore the operating system and device drivers that match the installed hardware.
Usage recommendations
Before installation, verify compatibility with your chassis, power supply and processor family. Use anti-static precautions when handling the board, ensure BIOS/UEFI and drivers are updated to match the Intel chipset and installed CPU, and confirm that memory modules and storage devices meet the board’s supported specifications. For repairs or upgrades in Lenovo systems, consult Lenovo service documentation or a qualified technician if custom configuration or firmware updates are required.

## FAQ

### How much does the Lenovo motherboard 5B21J05042 Intel chipset ATX cost, and is it available for purchase?

The price is 304.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 17.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### 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

## Image

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