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header-product System planar board Lenovo 5B21J76669 motherboard replacement part
444.99 €

System planar board Lenovo 5B21J76669 motherboard replacement part

Lenovo motherboard 5B21J76669 Photo 1
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Short description

Lenovo system planar board 5B21J76669 is a replacement motherboard module designed for compatible Lenovo laptop or desktop models. It serves as the main circuit board connecting CPU, memory, storage and peripherals. Use it to repair or upgrade a device, restore functionality after hardware failure, and ensure proper component communication and power distribution.
Available at price 444.99 €: 3 pcs.
Total available for order: 6 pcs.
Warranty: 2 Years
SKU: 10770457
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
13.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
16.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.50 kg)
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
16.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
payment
Payment Methods:
Bank transfer
Price for companies: 367.76€ Price is valid only for legal clients
Together cheaper
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Product information

Description

Lenovo system planar board 5B21J76669 is a replacement motherboard module intended for compatible Lenovo laptop or desktop models. It functions as the main circuit board that connects the processor, memory, storage devices and peripheral interfaces, providing signal routing and power distribution required for the system to operate. This board is intended for repair and upgrade operations where the existing motherboard is faulty or needs replacement to restore device functionality.

Advantages

This replacement motherboard delivers original-equipment-level compatibility with supported Lenovo systems, enabling correct component communication and reliable power delivery. Using a direct motherboard replacement reduces diagnostic time compared with modular repairs and helps restore system stability when faults are related to board-level defects. The planar board's standard connector arrangement and mounting points allow straightforward mechanical and electrical integration in compatible chassis.

Suitable for

  • Repairing a Lenovo laptop or desktop with a failed or damaged motherboard
  • Replacing a board to restore boot, power management or peripheral connectivity
  • Refurbishment and parts replacement in service workshops
  • Upgrading a device by replacing a defective mainboard to return to factory functionality

Key specifications

  • Mainboard form factor and mounting compatible with specific Lenovo models
  • On-board connectors for CPU socket or soldered processor, memory slots or SODIMM connectors depending on model variant
  • Integrated power distribution circuits and voltage regulation modules for system components
  • Standard peripheral interfaces including SATA/PCIe lanes, USB headers and display connectors as provided by the original design

How to use

Before installation, confirm device compatibility and back up all user data. Power down the device, remove the battery and disconnect all power sources. Follow the service manual for the specific Lenovo model to access the mainboard area, remove heat sinks, cables and attached modules as required, and note connector locations. Replace the faulty board with the replacement, reconnect all cables and components, reassemble the chassis and perform a power-on test. After initial boot, verify memory recognition, storage detection and peripheral operation, and update firmware or drivers if necessary.

Usage recommendations

Handle the planar board using appropriate electrostatic discharge (ESD) precautions, use proper tools for connector and screw removal, and consult Lenovo service documentation for torque and reassembly sequence. If uncertain about compatibility or installation, seek professional repair services to avoid accidental damage to surrounding components.

Description

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Stock data
Available only for legal entities
Warehouse Stock Delivery to the store Store Price
EU6 3 13.07.2026 Best delivery 444.99 € Best price
WH109 3 27.07.2026 522.99 €
Available only for legal entities
444.99 €
Stock: 3
Delivery Date: 13.07.2026 Best delivery
Warehouse: EU6
522.99 €
Stock: 3
Delivery Date: 27.07.2026
Warehouse: WH109

Customer reviews

Customer questions

FAQ

How much does the Lenovo motherboard 5B21J76669 cost, and is it available for purchase?

The price is 444.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 13.07.2026 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.