4U Rackmount — 38x 2.5" Bays with Slim ODD and Front USB2.0

Heavy-duty 4U enclosure built to hold up to 38x 2.5" hard drives in a trayless hard drive enclosure. Drives support SATA 6.0Gb/s transfer rates. Cooling is handled by two 120mm x 2 fans mounted on the sides for steady airflow. Front-panel access includes a USB2.0 port plus power and HDD activity LEDs. Compatible with slim optical drives (Slim ODD).