Features:

- Supports up to 4 x 2.5" SATA/SAS HDDs or SSDs into a single 5.25" bay

- Compatible with SATA 6Gbps or SAS 3.0 12Gbps (Single channel)

- Hot-swappable bays for quick and convenient drive replacement

- Accommodates 2.5" drives with 5mm, 7mm, 9.5mm, and 12.5mm Height

- Active Power Technology (APT) - only powers up if there is drive installed in the drive bay

- ExpressTray system: tool-less, removable trays designed for easy installation while maintaining the stability of tray-based designs

- Optional bottom-mounted screw holes for enhanced drive stability

- Individual blue LED indicators for each bay

- User-upgradeable 40mm fan for effective drive cooling  

- Supports both 2-pin and 3-pin fan connectors for aftermarket fan upgrades

- Single 15-pin SATA power connector powers all four drives

- Locking latch design for both 7-pin SATA connector and 15-pin power connectors to ensure secure connections

- Three-speed fan control: High / Low / Off

- Durable metal enclosure with heavy-duty ABS trays and door latches