5B21J12077 Lenovo Legion S7 16ARHA7 Ryzen 9 6900HX RX 6800S Motherboard Tested
Pristine motherboard pulled from a bench-tested Lenovo Legion S7 16ARHA7 high-performance gaming laptop. Fully functional and stress-tested under full hardware load to guarantee complete stability for system rebuilds, mainboard replacements, and liquid-damage repairs. Features an onboard AMD Ryzen 9 6900HX processor and dedicated AMD Radeon RX 6800S 8GB GDDR6 graphics.
ITEM SPECIFICATIONS:
Brand: Lenovo
Main Part Number (MPN): 5B21J12077
Alternate Part Numbers: 8S5B21J12077, NM-E691
Compatible Models: Lenovo Legion Slim 7 16ARHA7, Model 82UG Series
Component Type: Gaming Laptop Main System Board
Key Specifications: AMD Ryzen 9 6900HX Processor, AMD Radeon RX 6800S 8GB GDDR6 VRAM, 8GB Onboard DDR5 RAM (1x Slot Expandable), M.2 NVMe PCIe SSD Support
KEY FEATURES & HIGHLIGHTS:
High quality manufacturing ensures precise drop-in fitment and full factory BIOS support
Integrated AMD Ryzen 9 6900HX CPU and RX 6800S GPU deliver maximum mobile gaming output
Onboard power phases, display channels, and expansion interfaces pass diagnostic load checks
Ideal high-grade replacement solution for no-power, blown MOSFET, or GPU failure repairs
WHAT IS INCLUDED:
(1) Lenovo Legion S7 16ARHA7 Motherboard (MPN: 5B21J12077)
QUALITY ASSURANCE & SHIPPING:
Tested: Rigorously bench-tested with diagnostic tools. Clean BIOS, unlocked, with all external ports and thermal channels fully verified.
Packaging: Sealed in an anti-static ESD shield bag and encased in heavy-duty protective bubble wrap within a rigid box for safe transport.
⚡ Important Information Before Purchase ⚡
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🚚 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.
