Tested and working, boots to bios without issues. Does not come with power adaptor. NO Battery. No operating system or Hard Drive. The Dell Precision 3550 Laptop is a powerful and reliable notebook equipped with an Intel Core i7-10610U processor, 4GB RAM, and Intel UHD Graphics GPU. With a 15.6-inch screen size and a maximum resolution of 1366 x 768, this laptop is suitable for casual computing tasks. The unit does not come with an SSD, operating system, or AC adapter, making it a great option for users looking to customize their setup. Additionally, the silver color and sleek design give it a professional and modern look. Overall, this Dell Precision 3550 Laptop is a versatile and high-performing option for users in need of a reliable computing device.