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The Supermicro 826BAC4-R920LPB is a black 1U rack server chassis engineered for high-density storage and reliable operation in data center and enterprise environments. It includes a 920W high-efficiency AC-DC redundant power supply with PMBus and I2C support, a direct-attached storage layout with 25.6" usable depth, eight 3.5" SAS bays and four hybrid bays that accept NVMe and SAS3 drives, plus three high-performance fans with an adjustable air shroud for optimized cooling.

Advantages

This server case offers redundant 920W power with management interfaces (PMBus and I2C) for remote monitoring and control, a compact 1U form factor with a 25.6" direct-attached storage rackmount design, versatile drive support including eight 3.5" SAS3 bays and four hybrid NVMe/SAS3 ports, and a three-fan cooling system with an adjustable air shroud to direct airflow where needed.

Suitable for

• Database and storage servers requiring high-density 3.5" drive capacity
• Enterprise and colocation racks where redundant power and remote monitoring are needed
• Environments that combine SATA/SAS HDDs and NVMe SSDs in a single chassis
• Applications that demand efficient 1U cooling and hot-swap drive access

Key specifications

• Model: Supermicro 826BAC4-R920LPB (CSE-826BAC4-R920LPB)
• Form factor: 1U rackmount chassis, width 437 mm, depth 647 mm, height 89 mm
• Power supply: 920 W high-efficiency AC-DC redundant PSU included; PMBus and I2C support
• Drive bays: 8 × 3.5" SAS3 bays; 4 × hybrid NVMe/SAS3 ports
• Cooling: 3 high-performance fans with adjustable air shroud
• Color: Black

How to use

Install the chassis into a standard 19" rack using appropriate rails or mounting hardware. Populate the 3.5" bays with supported SAS or SATA drives and use the hybrid ports for NVMe or SAS3 devices as required by your server configuration. Connect redundant AC power sources to the 920W power supply units and configure PMBus/I2C monitoring through your management tools. Ensure proper cable routing and airflow paths before powering on.

Recommendations

For reliable operation, mount the chassis in a well-ventilated rack, use hot-swap supported drives for maintenance without downtime, configure redundant power inputs, and monitor PSU and thermal telemetry via PMBus/I2C. Follow Supermicro hardware compatibility lists when selecting drives and add-ons.