Genuine Lenovo ThinkPad System Mainboard (BDPLANAR Replacement Suite)
8th Gen Intel Core i7-8565U 🟢 16GB Soldered RAM 🟢 Part Number: 5B20X57823 / 01YU368🚀 TRUSTED US-BASED SELLER 🟢 FAST 1-DAY HANDLING TIME🟢 Proudly USA Sourced: This item ships directly from our secure warehouse facility within the United States. No long overseas customs delays, no international routing bottlenecks, and seamless domestic communication.
🟢 Fast 1-Day Handling Turnaround: Packaged with professional care and dispatched to the carrier transit network within 1 business day of cleared payment. Real-time tracking numbers uploaded instantly.
🟢 USA Shipping: 100% Free standard tracking shipping anywhere across the United States via USPS Ground Advantage or alternate tracked ground paths.
🟢 Logistics Safety: Protected inside its genuine Lenovo packaging and wrapped heavily in a premium anti-static ESD shielding bag to survive transit impacts cleanly.
🟢 Global Availability: International transit is supported to select eligible regions via the secure International Shipping program. (Please check the exclusions tab for country eligibility verification).🔴🔴🔴 CRUCIAL HARDWARE LAYOUT WARNING — PLEASE READ BEFORE BUYING 🔴🔴🔴🔴 NON-VPRO CONSUMER MODULE ONLY: As per official Lenovo factory design, this motherboard features the standard integrated Intel Core i7-8565U consumer processor. This is NOT the enterprise-tier vPro / AMT model (which utilizes the i7-8665U chip). Please ensure your corporate deployment framework does not strictly require hardware-level vPro remote management loops prior to checking out.
🔴 DUAL CHASSIS COMPATIBILITY: This motherboard is engineered to bolt natively into both the traditional clamshell layout and the 2-in-1 convertible frame layout for this exact hardware generation.
🔴 STRICT RETURN TERMS: We do not accept returns, cover return shipping costs, or issue refunds for buyer ignorance, lack of technical knowledge, or failure to cross-reference system specs. If you do not understand laptop hardware architecture, please consult a certified technician prior to purchasing. Look closely at all model numbers before checking out.📋 ENTERPRISE SYSTEM PERFORMANCE HIGHLIGHTSThis genuine, authentic Lenovo factory replacement high-performance system mainboard features an integrated Intel Core i7 processor and an elite on-board factory memory configuration, perfect for direct laptop hardware restoration.🔵 Integrated Processor Core: Intel Core i7-8565U (1.80 GHz Base Clock, Up to 4.60 GHz Max Turbo Boost, 4 Cores, 8 Threads, 8MB Intel Smart Cache).
🔵 Graphics Architecture Engine: Integrated Intel UHD Graphics 620 (UMA graphics processor array).
🔵 System Memory Infrastructure: 16GB Soldered RAM configured in high-bandwidth Dual-Channel architecture (0 open expansion slots remaining).
🔵 On-Board Protection Layer: Hardware-based discrete yTPM 2.0 (Trusted Platform Module) cryptographic chip embedded natively.
🔵 Wireless Connectivity Node: Built with native layout provisions optimized to pair cleanly with Intel Wireless-AC 9560 network card modules.🔄 OFFICIAL FACTORY CROSS-COMPATIBILITY LEDGERThis factory service unit is a direct, drop-in engineering substitution for any laptop utilizing a board marked with ANY of the following specific Core i7 16GB Part Numbers (MPNs) or board manufacturing lines:● Lenovo Primary Sourced FRU/MPN: 5B20X57823
● Lenovo Secondary Alternate MPNs: 5B21C21440 ● 01YU368 ● 5B21U37031
● Factory Text Line Match: Lenovo BDPLANAR WIN,i7-8565U,16G,9560,yTPM2 Series
● Digital Product Key (DPK): Windows OS License Flag Factory Injected⚠️ STRICT BUYER FITMENT VERIFICATION DISCLAIMER🔴 MACHINE TYPE VERIFICATION: This board matches and fits ONLY the 14-inch ThinkPad X1 Carbon 7th Gen (Chassis Type: 20QD, 20QE) and the 14-inch ThinkPad X1 Yoga 4th Gen (Chassis Type: 20QF, 20QG) laptops. It WILL NOT fit into older 5th/6th Gen frames, newer 8th/9th Gen setups, or alternate consumer chassis lines.
🔴 BUYER RESPONSIBILITY: It is the absolute responsibility of the buyer to ensure they are ordering the exact matching component for their specific system footprint prior to checking out.🛠️ HARDWARE WAREHOUSE & CONDITION NOTES:🟢 Lenovo Logistics Source: Sourced directly from professional tech fulfillment logistics as a clean, crisp, mint factory service replacement part. It is 100% brand new, completely unused, and has never been slotted into an active chassis.
🟢 Internal Packaging Integrity: Stored safely inside its genuine Lenovo cardboard shipping packaging container. The internal gray anti-static ESD shielding bag was opened strictly for quality control to capture clear photographs and document system serialization lines for safety.
🟢 Professional Installation Advised: Laptop mainboards are highly sensitive to electrostatic discharge (ESD). Installation by a certified PC hardware repair technician is strongly advised. User-inflicted static shorts, physical trace scratches, or bracket snaps void return privileges. Does not include a CMOS backup battery or outer cooling heatsink assemblies.🛡️ ANTI-FRAUD PROTECTION & RETURN AUDITING● Individual Mapping: High-resolution macro photographs of the specific board layout, silicon chips, and trace pathways are permanently cataloged in our secure fulfillment database prior to dispatch.
● Electronic Serial Tracking: The unique factory serial numbers, MAC addresses, and integrated hardware cryptographic chips of every unit are electronically scanned and mapped to your order transaction.
● Security Identifiers: Each unit is embedded with unique, permanent, invisible security identifiers applied to the multi-layer PCB substrate. Any evidence of component swapping or tampering voids returnsmportant Item Specifics

• Brand: Lenovo
• MPN: 5B20X57823
• Substitute / Alternate MPN: 5B21C21440 / 01YU368 / 5B21U37031
• Compatible Product Line: Lenovo ThinkPad X1 Carbon 7th Gen (20QD, 20QE) / ThinkPad X1 Yoga 4th Gen (20QF, 20QG)
• Processor Brand / Model: Intel Core i7-8565U Onboard Consumer Edition
• Memory Size / Type: 16 GB Soldered (Dual-Channel Architecture)
• On-Board Graphics Type: Integrated Intel UHD Graphics 620
• Intel vPro Support: No (Standard Consumer Architecture Layout)
• Seller Location: United States (US-Based Seller)
• Handling Time: Fast 1 Business Day
• Features: Hardware yTPM 2.0 Encryption Array, Embedded Windows DPK License
• Condition: Open Box