Unlike some competitors that require specific proprietary cages, the V100 utilizes the standard 1/4-20 thread on the bottom and includes a robust cage in the box with the standard GoPro 2-prong mount. This is a huge plus for anyone with existing mounts.
The "XP" branding is likely a marketing nod to Windows XP or the "Extreme Performance" moniker, but in reality, it signifies that the BIOS is strictly optimized for compute workloads (Ethereum, Zcash, Ravencoin) and stripped of all display outputs.
The most common descriptions for this specific version include:
Windows XP is since 2014. If connected to a network, isolate it from the internet or use in an air-gapped environment.