SilverStone Technology RM43-320-RS 4U 20-Bay 2.5-inch / 3.5-inch HDD/SSD rackmount Storage Server Chassis
Enterprise-Grade Storage Density
The SilverStone Technology RM43-320-RS is a 4U rackmount storage server chassis engineered for high-density data environments. With support for up to twenty 2.5-inch or 3.5-inch SAS/SATA HDD/SSD drives, this chassis delivers exceptional storage capacity in a robust, rack-optimized form factor. Its hot-swap drive trays and tool-less design ensure rapid drive replacement and maintenance, minimizing downtime in critical server applications.
Designed for Demanding Workloads
Built for IT professionals, system integrators, and data centers, the RM43-320-RS accommodates a wide range of motherboards, including E-ATX, SSI-EEB, SSI-CEB, ATX, and Micro-ATX. This flexibility makes it suitable for building high-performance NAS, backup servers, or virtualization hosts. The chassis supports ATX (PS2) and Mini Redundant PSUs, offering redundancy for mission-critical operations.
Superior Cooling and Airflow
To keep drives and components cool under heavy load, the RM43-320-RS includes three 120mm x 38mm hot-swappable PWM fans. These fans provide excellent airflow while maintaining low noise levels, and their hot-swap design allows for replacement without powering down the system. The chassis also supports CPU coolers up to 148mm in height and graphics cards up to 340mm, providing flexibility for high-performance builds.
Key Features
- 20 hot-swap bays for 2.5-inch/3.5-inch SAS/SATA drives
- Backplane with 20-port SAS/SATA support and 12Gb/s Mini-SAS HD SFF-8643 + SGPIO
- Ball bearing sliding rails included for easy rack integration
- Auto lock handle for secure chassis fixation
- Independent drive status LEDs for easy monitoring
- Supports E-ATX, SSI-EEB, SSI-CEB, ATX, Micro-ATX motherboards
- Compatible with ATX (PS2) and Mini Redundant PSUs
- Three 120mm x 38mm hot-swappable PWM fans
Use Cases
Ideal for enterprise storage servers, cloud storage nodes, video surveillance storage, and high-capacity backup systems. The RM43-320-RS is also perfect for homelab enthusiasts seeking a professional-grade chassis for their server builds.
With its robust construction, thoughtful design, and extensive feature set, the SilverStone RM43-320-RS is a top-tier choice for anyone needing reliable, high-density storage in a rackmount environment.
Key Specifications
Detailed Parameters
- Supported Form Factors:
- E-ATX, ATX, Micro-ATX, Mini-ITX, Flex-ATX, EEB, CEB
- Supported PSU Form Factors:
- ATX, CRPS, 2U
- Maximum GPU Length in mm:
- 340
- Maximum Cooler Height in mm:
- 148
- Maximum Radiator Length in mm:
- 1
Pros
- High storage density with 20 hot-swap bays
- Broad motherboard compatibility (E-ATX, SSI-EEB, etc.)
- Includes sliding rails and auto-lock handle
- Three hot-swappable PWM fans for efficient cooling
- Supports redundant PSUs for reliability
Cons
- Heavy at 35.6 lbs, may require two-person installation
- No built-in radiator support for liquid cooling
- Limited to 1x USB 3 and 1x USB 2 front ports