Super Power for a Super Case!A sweet Alienware case deserves and needs a powerful power supply. This ATX power supply provides up to 750 Watts of output power! A large fan keeps the power supply from overheating and there are plenty of connectors for vital components. This NPS-750AB-1 ATX power supply provides power for high performance PCI Express video cards and high speed Serial ATA drives! Large molex power connectors provide plenty of connection opportunities. Please note that this power supply will also work with a non Alienware ATX case but an additional bracket may be needed. Keep the power on so you can keep playing, order today!