No other drive is designed specifically for home and small office NAS systems and PCs with RAID. Our exclusive technology, NASware�, makes WD Red thrive in the demanding small-NAS environment. We keep power consumption low which keeps your NAS system happy and your wallet, too. Your NAS systems is always on, a highly reliable drive is essential. With a 35% MTBF improvement over standard desktop drives, the WD Red drive is designed and manufactured to be a more reliable and robust solution.