Original seal will be opened by our engineers for upgrade ONLY, 1-Years Warranty on upgraded RAM/SSD/HDD and original 1-Year Manufacture Warranty on remaining components. Computers with professional upgrades and customization. The manufacturer box will be opened by our professional engineers for customizing and testing. Factory defects & blemishes are significantly reduced by our in-depth inspection & testing. | Hp | | 17.3" HD+ Laptop | Intel Core i3 N305 2023 | 16GB Memory | 256GB SSD-Windows 11 Pro | Silver | Best Buy