Western Digital Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive - 3.5" Internal - SATA Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive - 3.5" Internal - SATA - 20TB HDD allowing more cost-efficient storage in the same footprint. OptiNAND, energy-assisted magnetic... $461.75 $506.25 Quick view add to cart