Exabyte AME Mammoth-1, 20/40GB Developed specifically to be utilized with Exabyte Mammoth Tape drives, the Exabyte Mammoth-1 tape cartridge offers consistent, reliable, and durable technology for securing extensive datasets. With 20 GB of native capacity and 40 GB of compressed capacity, the Mammoth 1 Exabyte gives you the power to cut down on energy costs and storage space.