SilverStone RM43-320-RS 4U Rackmount Server Chassis

The SilverStone RM43-320-RS is a 4U rackmount server chassis designed for high-density storage deployments requiring extensive hot-swap drive capacity and server-grade connectivity. Featuring twenty hot-swappable 3.5" drive bays with SAS/SATA backplane support, it provides a practical foundation for enterprise storage, backup servers, and high-capacity NAS systems. The chassis supports SSI-EEB, SSI-CEB, E-ATX, ATX, Micro-ATX, and Mini-ITX motherboards. With five Mini-SAS HD SFF-8643 backplane connectors, SGPIO support, and three pre-installed 120mm fans in hot-swappable fan modules, the RM43-320-RS is built for demanding multi-drive configurations. Its 4U construction also provides seven standard-profile PCI/PCIe expansion slots, flexible power supply compatibility, and a sliding rail system for rack installation and maintenance. Why Choose This SilverStone RM43-320-RS 4U Rackmount Server Chassis Supports twenty hot-swappable 3.5" SAS/SATA drives through five Mini-SAS HD SFF-8643 connectors with SGPIO, plus two internal 2.5" drive positions. Accommodates SSI-EEB, SSI-CEB, E-ATX, ATX, Micro-ATX and Mini-ITX motherboards, with seven expansion slots and expansion cards up to 340mm long. Includes three hot-swappable 120mm PWM fan modules for drive cooling, two rear 80mm fan mounting positions and sliding rails rated for up to 80kg. Supports ATX PS2 power supplies; 2U Redundant requires V2.0 or later, while Mini Redundant PSUs require mounting-hole compatibility with the chassis rear panel.