Supports 5 x 3.5' SATA/SAS HDDs, up to 12Gbps Durable all-aluminum body and front bezel Trayless design for quick and hassle-free HDD swaps Metal keylocks on each bay for added security Integrated 8cm fan with adjustable high/low speeds Individual LEDs for power and access monitoring HDD On/Off control LED switch for convenience 15-pin SATA power connectors x 2 and 7-pin data ports x 5 Compact size: 199 x 146 x 126mm Lightweight design: 1.64 kg