{"product_id":"lenovo-laptop-motherboard-amd-ryzen-7-350-16gb-ram-win-system-board-5b21s56725","title":"Lenovo Laptop Motherboard AMD Ryzen 7 350 16GB RAM WIN System Board 5B21S56725","description":"\u003cp data-path-to-node=\"5\"\u003eRestore high-efficiency AI processing performance, smooth execution, and total system stability to your Lenovo laptop with this replacement system mainboard assembly (Part Number: 5B21S56725). Precision-engineered specifically for Lenovo AI-enabled series laptop platforms, this system board serves as a direct replacement for non-booting devices, liquid-damaged boards, failed power rails, or malfunctioning memory buses.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eThis complete mainboard comes equipped with an integrated high-performance \u003cb data-path-to-node=\"6\" data-index-in-node=\"75\"\u003eAMD Ryzen 7 350\u003c\/b\u003e AI-enhanced Processor paired with 16GB of system memory and pre-activated Windows DPK integration. Designed with exact chassis mounting points, heatsink standoffs, and port alignment, it delivers a seamless installation for IT repair technicians, system refurbishers, and component repair specialists.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eKEY FEATURES\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eDirect Chassis Compatibility:\u003c\/b\u003e Engineered specifically for Lenovo AI laptop series chassis architectures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eIntegrated AMD Ryzen 7 350 CPU:\u003c\/b\u003e Built-in mobile processor delivering advanced multi-core speed and hardware-accelerated AI workloads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003e16GB System Memory:\u003c\/b\u003e Pre-configured memory architecture ensuring optimal speed, system responsiveness, and energy efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eFactory Alignment \u0026amp; I\/O Layout:\u003c\/b\u003e Features standard port locations (USB-C Power Delivery \/ DisplayPort, USB-A, HDMI, and audio jacks) and exact mounting hole spacing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,4,0\"\u003e\u003cb data-path-to-node=\"8,4,0\" data-index-in-node=\"0\"\u003eComprehensive Repair Solution:\u003c\/b\u003e Resolves 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 data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eWHY YOU SHOULD BUY\u003c\/b\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003eThe Lenovo Mainboard (\u003cb data-path-to-node=\"9\" data-index-in-node=\"41\"\u003e5B21S56725\u003c\/b\u003e) provides a reliable repair solution to restore 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 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eTECHNICAL SPECIFICATIONS\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eBrand:\u003c\/b\u003e Lenovo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003ePart Number (MPN):\u003c\/b\u003e 5B21S56725\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eProcessor (CPU):\u003c\/b\u003e AMD Ryzen 7 350 AI Processor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,3,0\"\u003e\u003cb data-path-to-node=\"11,3,0\" data-index-in-node=\"0\"\u003eSystem Memory:\u003c\/b\u003e 16GB RAM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,4,0\"\u003e\u003cb data-path-to-node=\"11,4,0\" data-index-in-node=\"0\"\u003eOperating System License:\u003c\/b\u003e Windows DPK Integrated (WIN)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,5,0\"\u003e\u003cb data-path-to-node=\"11,5,0\" data-index-in-node=\"0\"\u003eStorage Bus Interface:\u003c\/b\u003e M.2 PCIe NVMe SSD Slot\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,6,0\"\u003e\u003cb data-path-to-node=\"11,6,0\" data-index-in-node=\"0\"\u003eCompatible Laptop Models:\u003c\/b\u003e Lenovo AI Series Laptops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,7,0\"\u003e\u003cb data-path-to-node=\"11,7,0\" data-index-in-node=\"0\"\u003eComponent Type:\u003c\/b\u003e Laptop System Mainboard \/ System Controller Assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eWHAT'S INCLUDED\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e1 x Lenovo Laptop Main Board with AMD Ryzen 7 350 CPU \u0026amp; 16GB RAM (5B21S56725)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"14\"\u003e\u003cb data-path-to-node=\"14\" data-index-in-node=\"0\"\u003eOUR PROMISE\u003c\/b\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"14\"\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\n\u003cp data-path-to-node=\"14\"\u003e⚡ Important Information Before Purchase ⚡\u003cbr\u003e🔧 Please check your Part Number\u003cbr\u003eMake sure it matches the one listed before placing your order.\u003cbr\u003e💯 We stand behind our products!\u003cbr\u003ePlease contact us before leaving negative\/neutral feedback. We always strive for 100% customer satisfaction.\u003cbr\u003e🚚 Shipping\u003cbr\u003eFast, same-day shipping on orders placed Monday - Friday before 4pm EST.\u003cbr\u003eShips from the USA, usually within 1 business day.\u003cbr\u003e🛡️ Warranty \u0026amp; Returns\u003cbr\u003e60-day free return\/refund policy for all products (U.S. orders only).\u003cbr\u003eContact us first for assistance with any return requests.\u003cbr\u003e📸 Item Pictures\u003cbr\u003ePictures 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.\u003c\/p\u003e","brand":"Sopris Computer Parts","offers":[{"title":"Default Title","offer_id":43339014897873,"sku":"5B21S56725|LENOVO|A","price":850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/9065\/6721\/files\/s-l1600_340e3aa8-7068-4bfc-a7e8-b3e5ed0de70a.webp?v=1790705322","url":"https:\/\/sopriscomputerparts.com\/products\/lenovo-laptop-motherboard-amd-ryzen-7-350-16gb-ram-win-system-board-5b21s56725","provider":"Sopris Computer Parts","version":"1.0","type":"link"}