Mount up to Three SATA Drives in Your 2019 Mac Pro Add up to 44TB of Storage- Mounts up to three cost-effective SATA drives(sold separately) inside. You get to choose the drives that suit your needs Mounts up to Three SATA Drives- Custom bracket and cables support one 2.5-inch SATA SSD plus two 3.5-inch SATA drives, or three 2.5-inch SATA SSDs. Vibration-absorbing isolators safeguard reliable disk operation whether in the studio or on the road; designed to make maximum use of the space and connections inside the Mac Pro. 2 Year Warranty with Lifetime Technical Support