Chenbro RM42300 Black 4U Rackmount Case offers a robust, space-efficient solution tailored for industrial and server applications. The 17.5" compact chassis features an isolated anti-vibration cage designed specifically to minimize HDD vibrations, ensuring data integrity and longevity. It supports ATX motherboards up to 12" x 9.6" and provides versatile drive bay options: 3 external 5.25", 1 external 3.5", 4 internal 3.5", and an additional slim ODD slot.

Cooling is optimized with a front 120mm PWM fan equipped with a dust-proof filter and a dedicated 80mm fan to cool HDDs, plus optional rear 80mm fan slots. Expansion capabilities include 7 full-height expansion slots with card retainers for secure installation of both low profile and full-height add-on cards. Security is enhanced with options for an intrusion switch and front door key lock.

Front panel controls include power on/off, system reset buttons, and 2 USB 2.0 ports (variant-dependent). The sturdy steel chassis supports both rackmount and stand-alone installation. This model ships without a PSU, allowing customization for varied power requirements.

Ideal for space-sensitive industrial environments, the RM42300 combines durability, efficient cooling, and practical expandability into a single 9.5 kg chassis solution.