Rosewill HEARTH NAS PRO Server Chassis Supports up to 12 x 3.5' Hot Swap HDD and 6 x 2.5' SSD E-ATX Compatible 5 x 120mm PWM Fans 240mm.

E-ATX Compatible Chassis: Expansive motherboard and component support for versatile server builds and configurations Massive Storage Capacity: Accommodates 12 x 3.5' hot-swap HDDs and 6 x 2.5' SSD mounts for high-capacity data storage solutions Dual PSU Support: Dedicated second PSU bay allows installation of two standard ATX power supplies for enhanced power delivery and redundancy Efficient Thermal Management: Features 5 x 120mm PWM fans and support for 240mm AIO coolers to maintain optimal operating temperatures High-Speed Connectivity: USB 3.2 Type-C port provides fast data transfer rates for DIY NAS and home server applications Hot-Swap Capability: Tool-free hot-swap drive bays enable easy drive installation and replacement without system shutdown for continuous operation