Avolusion PRO-5X Series 4TB (4-Terabyte) External Hard Drive is the value hard drive upgrade kit provides the best and easy solution to expand your Desktop PC / Laptop storage capacity instantly! Plug and Play USB 3.0 interface providing a perfect portable storage solution for you to store & backup your game data, music, picture, video and more! Avolusion PRO-5X Series External Hard Drive designed to work with your Windows OS Desktop PC, Laptop perfectly! Fully compatible with any Windows OS devices. It comes with silent fan-less design to keep your External Hard Drive operate quietly! Avolusion PRO-5X Series External Hard Drive Upgrade Kit features high-quality construction, advanced external interface technology, durable chassis and state-of-the-art industrial design, assured to provide you with years of reliable performance. Features: UPC: 810064872211 Model: PRO5X-WH-4TB-WIN Built-in 4TB Capacity Hard Drive Compatible with Windows 11, 10, 8, 7 Windows NTFS File System Pre-Formatted Expand computer hard drive storage instantly! Add extra storage to your Desktop PC / Laptop Without opening up the case Specification: Interface: USB 3.0 Built-In Capacity : 4TB Material: Plastic/PVC USB Data Speed: 5.0 Gbit/s Support Platform: Windows OS Color: White Dimension: 8"(L) x 5"(W) x 1.6"(H) Power Input: 100V ~ 240V (50-60Hz 0.8A) Power Output: 12V 2.0A Package Contents: Avolusion PRO-5X 4TB External Storage (Windows OS) USB 3.0 Cable Power Adapter User Manual