Any trusted, time-tested hosting providers with high-bandwidth streaming capabilities and low jitter?
Requirements: 500GB–1TB NVMe, 32GB RAM, 10Gbps port with real unmetered or ≥50TB bandwidth/month.
Will it be worth using GTHost.com instant server hosting in Italy? Other hosts for my consideration?

Servers from hostingsource.com and planethoster.com are worth trying as they are as solid as a rock.
Server features are top notch. I'm happy. I would especially like to note professional 24/7/365 technical support and proactive uptime monitoring.

As an alternative, can draw your attention to Zakservers.com solutions. All of offshore servers also come with 100% uptime guarantee. This hosting provider demonstrates remarkable professionalism with fast servers, top-tier security measures, and a control panel that simplifies complex tasks, allowing businesses like mine to focus on growth instead of technical challenges.