Here is a RAID storage system with plenty of storage space for your 8K & 4K videos. The SanDisk Professional G-RAID Shuttle 4 24TB RAID Array comes with Thunderbolt 3 and USB-C connectivity. It has RAID 0, 1, 5, and 10 modes. It is ready for daisy chaining of up to 5 devices.
The G-RAID Shuttle 4 comes ready for mac OS but you can reformat it for Windows. It supports up to 85W of power delivery through its USB Type-C port.