Which backup speed is achieved using two Ultrium 960 drives? seenagape 10 years ago The base transfer rate of an Ultrium 960 drive is 288 GB/hr at 2:1 compression. Which backup speedis achieved using two Ultrium 960 drives? A.576 GB/hr B.864 GB/hr C.1152 GB/hr D.1728 GB/hr ← Previous question Next question →