?WIDE COMPATIBILITY?:Compatible with Windows XP / 7 / 8 / 10, Mac OS. Can be used to offline clone or to expand storage capacity by connecting PC , smart phone.devices. ?EFFICENT HEAT DISSIPATION?:Better dissipation performance, better protection of hard disk, effectively extend the lifetime of SSD. Equipped with non-slip silicone pad to be more stable on the table. ?HIGH-SPEED?:Type-C USB 3.1 Gen2 supports up to 10Gbps transmission rate.it takes the ASM2362+VL820 main control chip which can make your NVME SSDs run more quickly and stably. ?ONE-KEY OFFLINE CLONE?: No need to connect to a PC, Just connect in the power and long press the clone button then you can back up your important data. Support system disk clone.Please make sure the capacity of target disk is larger or equivalent to that of source disk.(It's normal that the product heats up, for the high-speed NVMe M.2 drives generate much heat while working. Do not touch the SSD during operation.). ?Two sets of clonal designs?: 2 groups of clone design, can clone 2 different NVMe hard disks at the same time. Independent switch control, do not affect each other, higher efficiency. ?4bay NVMe SSD?:This NVMe M.2 dock for M/B&M Key NVMe PCIe 2242 2260 2280 22110 SSDs, Supports 4 M.2 PCIe NVMe hard disk reads and writes at the same time. ?EASY TO USE PORTABLE SSD DOCK?: This hard drive enclosure for M Key/B & M Key NVMe PCIe SSDs, Supports 4 x 2TB M.2 PCIe NVMe hard disk reads and writes at the same time.No need any tools.no drivers required. LED indicator lets you know the working status easily.