Distinctive front panel features a handle design allowing for easy accessibility to the internal components, along with two USB 3. 0 data transfer ports. Supports SAS 12G/ SATA 6Gb/s high-speed transfer with a hot-swappable and tray-free design. Offers users a wide range of hard drive options including support for 5. 25"/3. 5"/2. 5" hard drives and slim optical drives. Utilizing the typical front-to-back directional airflow, RM41-H08 comes pre-installed with two 80mm PWM fans for exhaust, designed to achieve a rapid heat dissipation effect that does not easily accumulate hot air inside.