The Acasis 40Gbps Thunderbolt 3 M.2 NVMe 2 Bay RAID SSD Enclosure Turns 2 NVMe SSDs into 2 Independent, Fast, Reliable Portable Drives! Sync data at theoretical speed up to 40Gbps and transfer 3G large files in seconds, greatly improving your work efficiency. Measured speed: It can reach 2800 Mbps with a RAID 0 setup, and normally each SSD transfers at about 1500 Mbps. *Performance will depend both on the speed of your NVMe disk and your system’s overall performance. Equipped with an Intel® Official certified Thunderbolt™ 4 core chipset for powerful performance. Each functional interface is controlled by an independent chip, ensuring fast transfer speeds and no delays. Even when multiple functions are used simultaneously, operation remains smooth. Additionally, it has received certification for both Windows and macOS systems, meeting their technical accreditation and licensing requirements. A single hard drive can deliver 20Gbps, and the software RAID mode can deliver 40Gbps. Software RAID Mode This SSD case comes with 2 SSD slots, each SSD supports up to 8TB capacity, and up to 16TB capacity when using RAID 0 mode. Ideal for storage capacity expansion and fast data transfer. Note: Don’t buy SSDs with heatsinks. Choose SSD capacity based on your needs. ACASIS Dual Bay SSD Enclosure specifically designed for M.2 M key and B&M Keys, 2230 /2242 /2260 /2280 NVMe SSD sizes. Not compatible with SATA M.2 NVMe SSD. Tool-free magnetic fasteners for easy installation. Compact and easy to carry. Solid aluminum construction for durability and maximum heat dissipation. Integrated temperature and health monitoring system. Compatible with multiple operating systems: Windows, macOS, Linux, Android, iPad OS. Fully compatible with Thunderbolt 3/4, USB 4 interfaces. Compatible with multiple devices including iPad and smartphones. 100W Power adapter is required and included. It can expand the interfaces of your device, so you no longer have to worry about insufficient interfaces affecting your office efficiency. FAQ Q1: Does it require an external power supply to operate? The TBU405ProMax requires an external power supply to operate. Since this product requires sufficient power for your device, it must be used with a power supply included in the box content Q2: Why won't my computer recognize anything plugged into USB? 1. Please check whether you connect the power supply to the TBU405ProMax. 2. Please check whether you use the original Thunderbolt 4 cable.3. Please check whether you connect it to your device’s Thunderbolt 3/4 or USB4 port. Q3: Can two hard drives work independently in the hard drive enclosure? Yes! Two hard drives can work independently in the hard drive enclosure.