SilverStone RM61-312 6U 12-Bay Rackmount ATX Chassis - Black

Empower your server or workstation setup with the SilverStone RM61-312, a high-density 6U rackmount chassis designed for enterprise-grade performance. Featuring twelve hot-swappable 3.5″ drive trays (compatible with 2.5″ SSDs as well), this chassis supports both 12 Gb/s Mini-SAS HD (SFF-8643) and SGPIO interfaces for seamless, scalable storage solutions. Dual PSU compatibility enhances reliability and uptime, while the rugged steel build stands ready for demanding workloads. Equipped for advanced cooling, the RM61-312 accommodates three 360 mm radiators (front and side mounts), along with multiple fan positions, for optimal thermal performance. It supports a range of motherboard configurations—including E-ATX, SSI-EEB, and more—and offers flexibility with upright or horizontal installation. Specification Details Model No. SST-RM61-312 Chassis Form Factor 6U Material Steel Motherboard Support SSI-EEB, SSI-CEB, Extended ATX, ATX, Micro-ATX, Mini-ITX HDD Backplane 12 ports SAS / SATA to Mini-SAS HD SFF-8643 × 3 with SGPIO Power Connector 4-pin Peripheral × 6 Interface SAS-1 / SAS-2 / SAS-3 SATA-1 / SATA-2 / SATA-3 Drive Bays External: 3.5″ hot-swap × 12 Internal: 2.5″ × 4 Cooling System Front: 120mm × 3 Rear: 80mm × 2 (included) Side (Left): 120mm × 3 / 140mm × 2 Side (Right): 120mm × 3 / 140mm × 2 Internal: 80mm × 3 Radiator Support Front: 120mm / 240mm / 360mm Side (Left): 120mm / 140mm / 240mm / 280mm / 360mm Side (Right): 120mm / 240mm / 240mm / 360mm CPU Cooler Limitation With GPU holder: 132mm Without GPU holder: 150mm Expansion Slots 8 Expansion Card Limitation Length: 340mm Width: 156mm Power Supply Support Primary PSU slot: PS2 (ATX) / Mini Redundant / 2U Redundant Secondary PSU slot: PS2 (ATX) Front I/O Ports USB 3.0 Type-C × 1 USB 3.0 Type-A × 2 LED Indicators Chassis: Power LED × 1 (Blue), HDD Access × 1 (Green), LAN LED × 2 (Green) HDD Tray: HDD Power LED × 12 (Yellow), HDD Access × 12 (Blinking Green) Interface Buttons Power ON/OFF, System Reset Dimensions 438mm (W) × 265mm (H) × 522mm (D), 60.6 liters 17.24″ (W) × 10.43″ (H) × 20.55″ (D), 60.6 liters Net Weight 17.9 kg