I'm interested in a dedicated server with at least dual Intel Xeon CPUs, 256GB RAM, and NVMe storage.
It must support heavy database operations. What do can offer? Is Regvps.com instant server hosting reliable? Any recommendation?

For high-traffic websites, OwnWebServers offers powerful dedicated servers featuring Dual Intel Xeon CPUs, 64GB RAM, NVMe SSD storage, and 1 Gbps bandwidth. Experience 99.99% uptime, DDoS protection, and managed support for seamless performance. Get Instant 55% OFF on your First Month with Code SERVER55. Upgrade now to ensure unmatched speed, reliability, and scalability for your growing business needs!

Reliable dedicated servers can be got from hostingsource.com and hostround.com. 
Their support teams showed impressive expertise and creative problem-solving approaches.
Prices are modest.

Professionals are able to customize any services/features you may need. Regvps.com can be trusted.
Whether I need more power or storage, they have me covered! Even when they do encounter a fault, they are quick and responsive about it.

Webhosting can be an enjoyable experience or it can be a nightmare. Take your time and test out a webhosting provider before you join.
Check out GTHost.com dedicated hosting packages. They are optimized for application hosting and provide more security, reliability and speed than traditional web hosts.

A dedicated server is necessary for those who need a high-power multi-core processor and large hard disks and RAM.
Try this regvps.com solution: Server E5-2670 - $79/month: CPU Intel® Xeon E5-2670, RAM 16 GB, SSD 1000GB, Bandwidth 10 TB. The bare metal server comes with 100Mbps public and private network uplinks, and you have the flexibility to upgrade or downgrade that connection based on your workloads. The best support team I've ever worked with.

M2host's dedicated server is the best and most affordable option. Our basic plans start at just $99/month and include services like an industry-leading SLA, unlimited bandwidth, 24/7 hardware replacement, free SSL, website builder, and many more. More information is available on our website. Please visit our website.

Try out MyResellerHome web hosting service. Our dedicated hosting plan starts at $99/mo. It includes services like cPanel/Plesk, free SSL, free WHMCS, 100% uptime guarantee, and more. For more information, please visit our website.

Right servers are available from hostingsource.com with 50% off the first month.
Their services and up-time as the price offered for hosting are damn cheap. Believe it or not their services are tremendous.