Asus Zenbook Motherboard Intel Core Ultra 7 258V 32GB RAM 90NB14F0-R00022 Board
Restore next-generation AI processing power, high-efficiency multi-threaded performance, and complete system stability to your ultraportable laptop with this replacement system mainboard (Part Number: 90NB14F0-R00022). Precision-engineered specifically for Asus Zenbook Series laptop architectures (including UX5406 / Zenbook S 14 series), this mainboard provides exact chassis mounting alignment, thermal interface contact routing, and factory connector positioning for IT repair facilities, refurbishers, and custom builders.
KEY FEATURES
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Intel Core Ultra 7 258V Processor: Lunar Lake 8-core CPU operating up to 4.80 GHz with integrated 47 TOPS NPU engine for advanced AI acceleration.
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32GB On-Package LPDDR5X Memory: Low-latency memory integrated directly onto the CPU package for maximum bandwidth and energy efficiency.
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Integrated Intel Arc 140V Graphics: High-performance Xe2 graphics architecture delivering smooth visual acceleration and multi-monitor output.
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Direct Chassis Fitment: Engineered specifically for Asus Zenbook ultra-thin laptop mainboard alignment and thermal dissipation standards.
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Thunderbolt 4 & PCIe 4.0 Interface: High-speed expansion channels for rapid NVMe storage access and external dock connectivity.
WHY YOU SHOULD BUY
The Asus Mainboard (90NB14F0-R00022) provides a complete solution for resolving motherboard-level component failures, shorted power rails, CPU/NPU fault codes, or physical liquid damage on your Intel Lunar Lake Zenbook. Thoroughly bench-tested across all power phases, thermal limits, OLED display outputs, and communication channels, this replacement assembly restores factory performance.
TECHNICAL SPECIFICATIONS
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Brand: Asus
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Compatible Laptop Series: Asus Zenbook Series (UX5406 / Zenbook S 14 Series)
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Asus Part Number (MPN): 90NB14F0-R00022 (Sub/Alt PN: 60NB14F0-MB1010)
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Onboard Processor: Intel Core Ultra 7 258V (8 Cores: 4 Performance Cores / 4 Low-Power Efficient Cores, Up to 4.80 GHz Max Turbo, 12MB Cache)
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AI Engine: Integrated Intel AI Boost NPU (Up to 47 NPU TOPS / Total 115 Platform TOPS)
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Onboard Memory: 32GB LPDDR5X-8533 (Memory-on-Package Architecture)
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Onboard Graphics: Integrated Intel Arc 140V GPU
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Storage Bus Interface: 1 x M.2 2280 PCIe 4.0 x4 NVMe SSD Slot
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Onboard External Ports: Dual Thunderbolt 4 / USB-C (DisplayPort / Power Delivery), USB 3.2 Gen 2 Type-A, HDMI 2.1, Audio Combo Jack
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Wireless Module Interface: Integrated Wi-Fi 7 (802.11be) / Bluetooth 5.4 Architecture
WHAT'S INCLUDED
OUR PROMISE
We are committed to supplying high-grade replacement computer hardware. Every motherboard undergoes a comprehensive multi-point inspection process verifying CPU/NPU stress stability, memory bus integrity, M.2 SSD detection, HDMI/Thunderbolt display output, audio processing, and charging power delivery. Your item is handled in an ESD-safe workspace, safely packed in protective transit packaging, and dispatched within 24 hours of purchase with full tracking provided.
⚡ Important Information Before Purchase ⚡
🔧 Please check your Part Number
Make sure it matches the one listed before placing your order.
💯 We stand behind our products!
Please contact us before leaving negative/neutral feedback. We always strive for 100% customer satisfaction.
🚚 Shipping
Fast, same-day shipping on orders placed Monday - Friday before 4pm EST.
Ships from the USA, usually within 1 business day.
🛡️ Warranty & Returns
60-day free return/refund policy for all products (U.S. orders only).
Contact us first for assistance with any return requests.
📸 Item Pictures
Pictures are for illustrative purposes only. The part pictured may not exactly match what you receive due to restocking. Compatibility info is provided as a courtesy and does not constitute a warranty. Always verify the part before ordering.
