9 Independent Power Supplies for 9 Drives The D9-320 features individual power switches for each of its 9 drive bays, plus a master switch, enabling users to turn off unused drives. This saves energy, extends drive lifespan, and incorporates an intelligent shutdown system that safely parks drive heads to prevent data loss and SMART errors. Super-large Storage Space Supporting up to nine 3.5' or 2.5' SATA HDDs/SSDs, each with a maximum capacity of 30TB, the D9-320 offers total storage of up to 270TB. It does not support RAID and operates only with individual disks. High Speed With USB 3.2 Gen 2 offering speeds up to 10Gbps, the D9-320 achieves read/write speeds up to 1,030MB/s with nine HDDs, and up to 510MB/s with a single SSD. Plug and Play, Highly Compatible This plug-and-play DAS requires no drivers and works with macOS, Windows, and Linux. It includes both Type-C to C and Type-A to C cables, and supports USB 4.0/3.2/3.1/3.0 and Thunderbolt 5/4/3. Better Heat Dissipation Equipped wi