HDD enclosure Silverstone SST-RM43-320-RS 20 drives 2.5/3.5 inch Grey

The Silverstone SST-RM43-320-RS is a 4U rack-mount HDD enclosure that supports up to 20 hot-swappable drives in 3.5" or 2.5" form factors. It provides a 12 Gbit/s data path and is compatible with SAS and SATA drive interfaces. The chassis includes a pre-installed fan array and a sliding rail kit for straightforward installation into server racks.

Advantages

The enclosure accepts 20 hot-swappable drives with easy-access handles and a backplane that supports 5 x Mini-SAS HD SFF-8643 connectors for SAS/SATA at up to 12Gb/s. Front-to-back airflow and three pre-installed 120 x 38mm PWM hot-swappable fans enable effective heat dissipation. A sliding rail kit is included, simplifying rack integration without extra purchases.

Suitable for

• High-density storage arrays in server racks
• Backup and archive systems requiring hot-swap capability
• SAN/NAS deployments using SAS or SATA drives
• Data centers and IT rooms needing 4U 20-bay enclosures

Key specifications

• Drive bays: 20 hot-swappable (supports 3.5" or 2.5" drives)
• Interface support: SATA, Serial ATA II/III, SAS, SAS-2, SAS-3
• Backplane connectors: 5 x Mini-SAS HD SFF-8643 (supports 12Gb/s)
• Cooling: 3 x 120 x 38mm PWM hot-swappable fans, front-to-back airflow
• Rack unit: 4U
• Included accessories: sliding rail kit
• Color: Grey
• Weight: 16.2 kg

How to use

Install the chassis into a compatible 4U server rack using the supplied sliding rail kit. Insert supported 3.5" or 2.5" SAS/SATA drives into the front hot-swap bays using the handles, and connect the enclosure to your host or backplane through the Mini-SAS HD connectors or your existing backplane wiring. Ensure proper cable routing and secure connections before powering the unit. Monitor drive activity and fan operation via your host controller or server management tools.

Recommendations

Install the enclosure in a rack environment with sufficient front-to-back ventilation. Use drives and host controllers that support 12Gb/s where required, and perform regular firmware and health checks on drives. Replace fans or drives with compatible parts to maintain cooling and hot-swap functionality.