ACASIS 8-in-1 Thunderbolt 3/4 SSD Enclosure & Dock 1 x Thunderbolt 4 (40Gb/s,8K@60Hz)2 x HDMI 2.0(4K@60Hz)1 x USB-C (10Gb/s)2 x USB-A (10Gb/s)1 x PD (100W)1 x M.2 (NVMe SSD) Need multitasking? This product’s multi-screen output is perfect for you! The 8-in-1 Thunderbolt SSD Enclosure & Dock enables expended dual 4K@60Hz displays using 2 HDMI ports. The built-in cooling fan keeps your SSD cool during high-speed operations, maintaining temperatures at 38°C even during extended use. No more worries about premature SSD aging or overheating disconnections, ensuring a smoother user experience. Note: Don’t buy SSDs with heatsinks. Choose SSD capacity based on your needs. Our PD 100W fast charging technology simplifies the charging process for your devices and enhances the user experience. Laptops can charge quickly at 60W, while phones and other USB-C devices receive the necessary charging power. The ACASIS 8-in-1 Thunderbolt 3/4 SSD Enclosure & Dock supports multiple display modes. Easily switch to meet your every need!On Windows, enjoy three triple-display modes: AAA, AAB, and ABC. On macOS, it offers two triple-display modes: AAA and AAB. What will you get?   8-in-1 Thunderbolt SSD Enclosure*1, 1.64FT Thunderbolt 4 Cable*1, PD 100W Power Adapter*1, Thermal Pad*2, Rubber Stopper*2, User Manual*1 FAQ Q1: Does this product need to be connected to a power supply to use? This product must be used with a power supply included in the box content. Q2: Can a 2230 size M.2 NVMe SSD be used with this hard drive enclosure? Yes. This hard drive enclosure supports 2280/2260/2242/2230 M.2 NVMe SSD Up to 8TB. Q3: Can a computer with a macOS M1 processor use this product to expand two screens? No. Computers with macOS M1/M2/M3 processors can only expand one screen.