This hard drive enclosure, SYBA SY-ENC50124, features a gray aluminum alloy shell and can hold both 3.5" and 2.5" hard drives or SSDs, with each disk having a maximum capacity of 20TB. The included fireproof ABS plastic hard disk tray ensures safety and protection. Additionally, the hard drives and fans operate in sync with the computer, automatically entering standby mode as needed. The package includes a dual-bay enclosure, manual, USB3.0 cable, and power adapter for convenient setup.