Dovhmoh Storage Expansion Hard Drive Cage, DIY Hard Drive Disk Cage Rack, 5.25-inch to 5x3.5-inch Brackets, with 12cm Fan

Material: Made of metal, sturdy and durable. Removable design: Removable, allowing you to experience the fun of DIY and convenient storage. 5x3.5 hard drive cage: Occupies three optical drive bays and can accommodate five 3.5-inch hard drives. Ease of use: 1 x 12 cm cooling fan mounting slot space, hard drive cage transfer tray rack bracket. Applicability: Suitable for main boxes with flat CD slot in wall, or brackets to CD slots.