This Dell XPS l521x Laptop motherboard, model number 0TRPPH, is a high-quality component for your computer. It has two memory slots and supports HDMI and USB 3.0 input/output ports, making it a versatile choice for any system. The motherboard has been tested to ensure that it is functioning properly and is ready for use. With its i7 processor and GT640m graphics card, it is capable of handling even the most demanding applications. This motherboard is a great choice for anyone looking to upgrade their computer or build a new system from scratch.