{"product_id":"lenovo-legion-5-pro-motherboard-amd-ryzen-9-5900hx-rtx-3070-16ach6h-5b21c68231","title":"Lenovo Legion 5 Pro Motherboard AMD Ryzen 9 5900HX RTX 3070 16ACH6H 5B21C68231","description":"\u003cp\u003eRestore high-performance 8-core processing power, high-frame-rate rendering, and complete system stability to your gaming laptop with this replacement system mainboard assembly (Part Number: 5B21C68231). Precision-engineered specifically for Lenovo Legion 5 Pro 16ACH6H and Legion 5 15ACH6H laptop platforms, this system board serves as a direct replacement for non-booting devices, liquid-damaged boards, failed power rails, or malfunctioning graphics channels.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKEY FEATURES\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDirect Chassis Compatibility:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eEngineered specifically for Lenovo Legion 5 Pro 16ACH6H and Legion 5 15ACH6H AMD series gaming laptop architectures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIntegrated AMD Ryzen 9 5900HX CPU:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eUnlocked 8-core, 16-thread mobile processor delivering up to 4.60 GHz Max Boost for AAA gaming, streaming, and heavy multithreaded workloads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDual SODIMM \u0026amp; M.2 Expansion:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eFeatures 2 x DDR4 SODIMM slots and dual M.2 PCIe NVMe SSD slots for flexible memory and storage upgrades.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFactory Alignment \u0026amp; I\/O Layout:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eFeatures standard port locations (USB-C Power Delivery \/ DisplayPort, USB 3.2, HDMI 2.1, RJ-45 Ethernet, and audio jacks) and exact mounting hole spacing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eComprehensive Repair Solution:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eResolves dead motherboard states, short circuits, failed processor solder joints, corrupted BIOS chips, or liquid damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eWHY YOU SHOULD BUY\u003c\/b\u003e \u003c\/p\u003e\n\u003cp\u003eThe Lenovo Mainboard (\u003cb\u003e5B21C68231\u003c\/b\u003e) provides a reliable repair solution to restore high-end gaming and workstation performance to your Lenovo laptop. Thoroughly bench-inspected under operational loads to verify power delivery stability, CPU thermal regulation response, memory channel integrity, and port output functionality, this mainboard restores proper operation.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTECHNICAL SPECIFICATIONS\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBrand:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eLenovo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePart Number (MPN):\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e5B21C68231\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eProcessor (CPU):\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eAMD Ryzen 9 5900HX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSystem Memory Interface:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e2 x DDR4 SODIMM Memory Expansion Slots\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eStorage Bus Interface:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e2 x M.2 2280 \/ 2242 PCIe NVMe SSD Slots\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCompatible Laptop Models:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eLenovo Legion 5 Pro 16ACH6H, Legion 5 15ACH6H Series\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eComponent Type:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eLaptop System Mainboard \/ System Controller Assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eWHAT'S INCLUDED\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Lenovo Laptop Main Board with AMD Ryzen 9 5900HX CPU (5B21C68231)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eOUR PROMISE\u003c\/b\u003e \u003c\/p\u003e\n\u003cp\u003eWe are committed to supplying high-grade computer components and replacement hardware. Every motherboard undergoes a comprehensive multi-point diagnostic test verifying DC jack power consumption, CPU stress stability, display port output, keyboard\/trackpad bus operation, and ESD protection paths. Your item is handled strictly in an ESD-safe workspace, safely packed in protective transit packaging, and dispatched within 24 hours of purchase with full tracking provided.\u003c\/p\u003e","brand":"Sopris Computer Parts","offers":[{"title":"Default Title","offer_id":43274452795601,"sku":"5B21C68231|LENOVO|A","price":459.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/9065\/6721\/files\/5B21C68231.webp?v=1787951779","url":"https:\/\/sopriscomputerparts.com\/products\/lenovo-legion-5-pro-motherboard-amd-ryzen-9-5900hx-rtx-3070-16ach6h-5b21c68231","provider":"Sopris Computer Parts","version":"1.0","type":"link"}