CHIEFTEC 19" 4U Rack UNC-409S-B-OP, black, without power supply

CHIEFTEC UNC-409S-B-OP — 4U Rackmount Chassis

For users seeking a reliable and flexible rackmount chassis for industrial or server applications, the CHIEFTEC UNC-409S-B-OP is an ideal solution. With a depth of only 480 mm, it is well-suited for space-constrained racks without sacrificing compatibility with hardware such as ATX and mATX motherboards. Constructed from 1.2 mm SECC steel, it offers high mechanical strength and protection for installed components. The option to choose between a standard ATX power supply or a 1+1 redundant power supply further enhances its flexibility—a feature particularly valuable for users requiring high system availability.

Compact Design Tailored for Smaller Racks

The CHIEFTEC UNC-409S-B-OP is designed with space efficiency in mind. Its 4U form factor and 480 mm depth allow for deployment in smaller rack systems without compromising functionality. This compact design makes it perfect for installations in environments where space is limited.

Broad Hardware Compatibility and Flexibility

The chassis supports ATX and mATX motherboards, ensuring compatibility with a wide range of hardware configurations. Additionally, it provides a total of 7 expansion slots for add-in cards, facilitating easy system expansion. For data storage, there are 6 available bays: 3× 5.25" external, 1× 3.5" external, and a combination of 2× 3.5" and 3× 2.5" internal bays.

Cooling and Peripheral Connectivity

To ensure optimal cooling, the chassis supports the installation of up to 2× 120mm fans at the front and 2× 80mm fans at the rear —crucial for maintaining stable performance under heavy workloads. The front panel features 2× USB 3.2 Gen1 ports, allowing for the quick connection of peripherals such as external drives or keyboards.

Technical Specifications

• Material: SECC steel, 1.2 mm thick
• Dimensions: 480 × 427 × 176.8 mm
• Power Supply Support: Standard ATX PSU or 1+1 redundant PSU (mounting kit not included)
• Maximum CPU Cooler Height: 140 mm
• Maximum Graphics Card Length: 330 mm
• Front Panel Connectors: 2× USB 3.2 Gen1
• Cooling (Optional): 2× 120mm (front), 2× 80mm (rear)

Package Contents

• Screw set
• Mounting bracket for PCI-E cards