The Supermicro CSE-731I-404B is a mini-tower server chassis specially crafted for Micro ATX motherboards. Its compact design and robust structure make it an excellent choice for small business setups and home office environments.

One of the standout features includes its drive bay configuration. It accommodates:

• External: 2 x 5.25" bays
• Internal: 4 x 3.5" bays

This chassis also supports four expansion slots, providing ample opportunities for upgrades. In terms of cooling, it supports:

• 1 rear 9cm PWM fan (pre-installed)
• Optional front 8cm PWM fan
• Whisper-quiet operation with a noise level of less than 25dB

The front I/O includes two USB 3.0 ports and an on/off button, enhancing user convenience. Security is also prioritized with Kensington lock support.

Among its special features is a 90° rotatable HDD cage, ensuring easy installation of drives, along with a window panel allowing internal visibility of components.

Its 400 W power supply comes with an 80+ Gold efficiency certification, perfect for energy-conscious users.