🔧 Motherboard with CPU for Lenovo ThinkPad T14s Gen 3 🔧

🖥️ ThinkPad T14s Gen 3 | System Board (BDPLANAR) | Intel Core i7-1265U | 32 Gb RAM | FRU 5B21J77632

Fully working, tested motherboard with a soldered Intel Core i7-1265U processor dedicated to Lenovo ThinkPad T14s Gen 3 laptops. Part sourced from a working device and tested - we guarantee full functionality. FRU number 5B21J77632 guarantees full compatibility with the T14s Gen 3 model.

⚙️ PRODUCT CHARACTERISTICS

BDPLANAR-type system board (Type 21BS-S4KU00) with a factory-soldered 12th Gen Intel Core i7-1265U processor (Alder Lake-U, hybrid architecture, BGA1744, 10 cores / 12 threads: 2 Performance-cores at 1.80 GHz - 4.80 GHz Turbo and 8 Efficient-cores at 1.30 GHz - 3.60 GHz Turbo, 12 MB cache, 15W base power) and integrated Intel Iris Xe Graphics (96 execution units, up to 1.25 GHz dynamic). The board is equipped with 32GB LPDDR5 memory permanently soldered in a four-channel configuration - this memory type is integrated with the processor and cannot be expanded. Technical condition and correct operation confirmed by an HWiNFO report and UEFI BIOS screen - the processor runs stably, and all CPU clocks and features are correctly recognized.

📋 TECHNICAL DATA

Part name: System board with CPU (BDPLANAR)
Brand: Lenovo ThinkPad
Compatible model: ThinkPad T14s Gen 3 (21BR, 21BS)
Processor: Intel Core i7-1265U (soldered, BGA1744)
Cores / threads: 10 / 12 (2 P-core + 8 E-core)
P-core clock: 1.80 GHz base, up to 4.80 GHz Turbo
E-core clock: 1.30 GHz base, up to 3.60 GHz Turbo
Cache: 12 MB Intel Smart Cache
TDP: 15 W (base power)
Lithography: Intel 7
Graphics: Intel Iris Xe Graphics (96 EU, up to 1.25 GHz)
RAM: 32GB LPDDR5, permanently soldered, four-channel mode
Condition: Used (pulled, tested)
FRU: 5B21J77632
Substitute numbers: 5B21T63670

🌟 KEY ADVANTAGES

🔹 Genuine Lenovo part - guaranteed perfect fit and reliability
🔹 Soldered 12th Gen Intel Core i7-1265U processor - a stable CPU-to-board connection, without the socket-contact issues typical of older designs
🔹 10 cores / 12 threads, up to 4.80 GHz - high performance in multitasking and demanding applications while keeping power draw low
🔹 32GB LPDDR5 memory in four-channel mode - very smooth performance even with many apps and browser tabs open at once
🔹 Condition verified with diagnostics - functionality confirmed by HWiNFO and BIOS, not just visually
🔹 Full compatibility - matched to T14s Gen 3 under FRU 5B21J77632

🔢 CATALOG NUMBERS

FRU: 5B21J77632
Substitute numbers: 5B21T63670
Laptop model: Lenovo ThinkPad T14s Gen 3

❓ WHEN SHOULD YOU REPLACE THE MOTHERBOARD?

• Laptop does not power on, power LED lights up but nothing happens
• No image on the internal screen or an external monitor despite power being connected
• Laptop randomly shuts down, restarts or freezes during use
• Board does not detect the battery or won't charge despite a working charger
• Visible liquid damage, burnt components or drop damage

🔧 INSTALLATION PROCESS

1. Turn off the laptop and disconnect power and all external devices
2. Remove the screws securing the bottom cover and carefully take it off
3. Disconnect the battery from the motherboard
4. Disconnect the display, touchpad, keyboard, speaker and WiFi antenna cables
5. Remove the heatsink/fan assembly and transfer it to the new board
6. Remove the old motherboard and install the new one in its place
7. Reconnect all cables in reverse order, install the battery and bottom cover
8. Power on the laptop and verify operation in BIOS and the operating system
Replacement recommended by a technical service or someone experienced in laptop repairs - the operation requires full laptop disassembly.

🎯 APPLICATION

An ideal board for restoring a ThinkPad T14s Gen 3 to working order after a logic board failure, while saving significantly compared to buying a new laptop. A good solution for repair shops and DIY laptop repair enthusiasts.

✅ COMPATIBILITY GUARANTEE

The offered motherboard has been thoroughly checked and matched to the Lenovo ThinkPad T14s Gen 3 model. We guarantee full compatibility under FRU number 5B21J77632 and full functionality. In case of any compatibility issues, we offer a hassle-free return within 14 days.

📞 NEED HELP? CONTACT OUR EXPERTS!

Do you have questions about the compatibility of this motherboard with your ThinkPad T14s Gen 3? Our specialists will be happy to assist you. Contact us!
📱 Phone: +48-601-415357
📧 Email: sklep@abcdeal.pl

🦁 ABCDEAL - Your Trusted Lenovo Parts Specialist

We have been specialising in delivering genuine Lenovo laptop parts for years. Our experience allows us to offer top quality products that meet the expectations of even the most demanding customers. Trust the experts and restore your ThinkPad to full functionality.

🎯 Choose professionals - invest in quality!

By choosing a tested motherboard for the ThinkPad T14s Gen 3 from our offer, you invest in reliability and real savings compared to buying a new laptop. Take advantage of ABCDEAL's expertise and restore your laptop to full functionality.

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