While the actual wattage difference between a 1 TB SATA drive and a 300 GB Fibre Channel drive is marginal, the cost difference on a watt-per-capacity basis is significant.

• 虽然1TBSATA驱动器和一个300GB的光纤通道驱动器的实际功率差异相差不远，但瓦特/容量（单位容量的能耗）的成本差异极大。