This Dell 05JXH7 heatsink is a reliable and high-quality option for T420 and T320 computer models. It is made of durable aluminum and copper materials, ensuring that it can withstand heavy use over time. The heatsink has been thoroughly cleaned and is in excellent condition, ready to be installed and used immediately. It comes with a 60-day warranty for added peace of mind. Whether you\'re building a new computer or upgrading an existing one, this Dell heatsink is a great choice for keeping your system running smoothly.