【High-Efficiency Cooling System】 This Logitec hard drive case is equipped with a quiet cooling fan, providing stable performance even during extended use. The fan operates in conjunction with the PC's power supply, activating only when necessary, resulting in high energy efficiency. 【USB 3.0 Compatible】 Supports the latest USB 3.0 standard, enabling high-speed data transfer. You can quickly move large amounts of data, improving work efficiency. 【Versatile Connectivity】 Supports 3.5-inch hard drives and is compatible with various devices. It's also ideal for NAS environments as a PC peripheral. - Brand: Logitec - Model: LHR-EGU3F - Connection Type: USB 3.0 - Hard Disk Size: 3.5 inches - Fan Function: With quiet cooling fan - Power Link Function: Power ON/OFF in conjunction with PC - Accessories: Setup guide, AC adapter, USB cable - Color: Black Non-smoker, no pets. Please prepare the HDD separately.