Brand new, unused item! Brand: RayCue Data Transfer Rate: 10 Gigabits per second Product Dimensions: 50 x 43 x 24mm Number of Ports: 6 Minimum Operating System Version Required: Mac OS 12 Monterey Manufacturer: RayCue USB-A ports x 2 and USB-C ports x 2, both supporting ultra-fast data transfer of up to 10Gbps. Equipped with slots for SD cards / Micro SD cards (TF cards) simultaneously. Host port design that can be directly attached to the rear Thunderbolt 4 ports of Mac Mini M4/M4 Pro. 2281/2899