{"product_id":"5b21l44883-lenovo-r7-7840h-rtx-4060-8gb-win-rm-system-board-motherboard-mainboard-logic-board-assembly-replacement-component-part","title":"5B21L44883 Lenovo R7-7840H RTX 4060 8GB WIN RM System Board Motherboard Mainboard Logic Board Assembly Replacement Component Part","description":"\u003cp data-path-to-node=\"5\"\u003e\u003cstrong\u003e5B21L44883 Lenovo Laptop System Board Ryzen 7 7840H RTX 4060 Tested\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eRestore full computing and gaming performance to your laptop with this main logic board assembly pulled from a clean working environment. Official Lenovo system board featuring the high-performance AMD Ryzen 7 7840H processor and dedicated NVIDIA GeForce RTX 4060 8GB graphics chipset. Engine-tested to ensure stable power delivery, multi-core CPU stress handling, discrete GPU benchmarking, port connectivity, memory channel performance, and clean BIOS operation.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cstrong\u003eITEM SPECIFICATIONS:\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Lenovo \u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cstrong\u003eMain Part Number (MPN):\u003c\/strong\u003e 5B21L44883 \u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cstrong\u003eProcessor Onboard: \u003c\/strong\u003eAMD Ryzen 7 7840H Graphics \u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cstrong\u003eProcessing Unit (GPU): \u003c\/strong\u003eNVIDIA GeForce RTX 4060 8GB Dedicated VRAM \u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cstrong\u003eForm Factor:\u003c\/strong\u003e OEM Laptop Main Logic System Board\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cstrong\u003eKEY FEATURES \u0026amp; HIGHLIGHTS:\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e• Integrated AMD Ryzen 7 CPU and dedicated RTX 4060 graphics deliver powerful mobile workstation and gaming performance. \u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e• Direct drop-in OEM replacement mainboard eliminates complex component desoldering and board-level micro-soldering. \u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e• Onboard connector interfaces for display flex cables, keyboard backlighting, high-speed storage, power input, and peripheral I\/O ports. \u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e• Ideal replacement solution for resolving liquid damage, POST failure, dead power rails, or severe GPU\/CPU degradation.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cstrong\u003eWHAT IS INCLUDED:\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e(1) Lenovo Laptop System Board with Ryzen 7 7840H and RTX 4060 (MPN: 5B21L44883)\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cstrong\u003eQUALITY ASSURANCE \u0026amp; SHIPPING:\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cstrong\u003eTested: \u003c\/strong\u003eComprehensive diagnostic functional testing completed. Verified full POST boot cycle, Windows deployment stability, thermal stress performance, discrete GPU load benchmarks, audio jack handshake, and clean non-passcoded BIOS setup. \u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cstrong\u003ePackaging: \u003c\/strong\u003eEncased in protective anti-static ESD shielding, wrapped in multi-layer heavy-duty bubble padding, and shipped securely in a reinforced rigid box engineered to prevent bending and impact damage during transit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚡ Important Information Before Purchase ⚡\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e🔧 Please check your Part Number\u003c\/strong\u003e\u003cbr\u003eMake sure it matches the one listed before placing your order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e💯 We stand behind our products!\u003c\/strong\u003e\u003cbr\u003ePlease contact us before leaving negative\/neutral feedback. We always strive for 100% customer satisfaction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e🚚 Shipping\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFast, same-day shipping on orders placed Monday - Friday before 4pm EST.\u003cbr\u003eShips from the USA, usually within 1 business day.\u003cbr\u003e\u003cstrong\u003e🛡️ Warranty \u0026amp; Returns\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e60-day free return\/refund policy for all products (U.S. orders only).\u003cbr\u003eContact us first for assistance with any return requests.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e📸 Item Pictures\u003c\/strong\u003e\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":43449734529233,"sku":"5B21L44883|LENOVO|A","price":772.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/9065\/6721\/files\/5B21L44883.jpg?v=1793120338","url":"https:\/\/sopriscomputerparts.com\/products\/5b21l44883-lenovo-r7-7840h-rtx-4060-8gb-win-rm-system-board-motherboard-mainboard-logic-board-assembly-replacement-component-part","provider":"Sopris Computer Parts","version":"1.0","type":"link"}