The H528P-00 is a 528-watt power supply for the Dell PowerEdge T300 server. It is a hot-pluggable power supply, meaning it can be replaced without having to turn off the server. The H528P-00 is also a redundant power supply, meaning that if one power supply fails, the other power supply will continue to operate and keep the server running. The H528P-00 is a reliable and efficient power supply. It is 80 PLUS Platinum certified, meaning that it is at least 94% efficient at 50% load. This means that the H528P-00 - Dell 528-Watts Power Supply for PowerEdge T300 will waste less energy and save you money on your electricity bill. The H528P-00 is also backed by a three-year warranty from Dell. This means that you can be confident that your power supply is covered in case of any problems. If you are looking for a reliable and efficient power supply for your Dell PowerEdge T300 server, the H528P-00 is a great option.