SilverStone RM44 4U Rackmount Server Chassis

The SilverStone RM44 is a 4U rackmount server chassis designed for workstation and server builds requiring extensive motherboard compatibility, flexible expansion, and advanced cooling options. Supporting SSI-EEB, SSI-CEB, E-ATX, ATX, Micro-ATX, and Mini-ITX motherboards, it provides a practical foundation for professional workstations, GPU computing systems, and business servers. With support for front-mounted 360mm liquid cooling radiators, eight standard-profile expansion slots, and flexible internal drive mounting, the RM44 accommodates a range of performance-focused hardware configurations. Its steel chassis also features a lockable front panel, compatibility with sliding rail mounting systems, and support for PS2 (ATX) or Mini Redundant power supplies. Why Choose This SilverStone RM44 4U Rackmount Server Chassis Supports SSI-EEB, SSI-CEB, E-ATX, ATX, Micro-ATX and Mini-ITX motherboards, with eight expansion slots and cards up to 424mm long without front cooling hardware. Accommodates front 360mm radiators or three 120mm fans, with two rear 80mm fans included and CPU cooler clearance of 137mm or 148mm depending on retainer installation. Provides two internal 3.5" positions convertible to three 2.5" positions, plus four additional 2.5" bays, with expansion-card widths of 113mm or 154mm depending on retainer installation. Supports PS2 (ATX) and Mini Redundant PSUs up to 255mm; 2U Redundant requires V3.0 or later. Includes front USB Type-C, two USB 3.0 ports and chassis intrusion detection.