Windows Server performs thousands of small random I/O operations per second just to keep the OS running. The registry, event logs, WMI repository, prefetch cache, and Windows Update database all generate constant disk activity. On spinning disks or slow SSDs, this background I/O competes with your applications and creates sluggish performance.
NVMe SSDs eliminate this bottleneck. With random read/write performance exceeding 500,000 IOPS and sequential throughput above 3 GB/s, NVMe drives handle Windows background I/O without breaking a sweat. Your applications get the full performance of the CPU and RAM without waiting for the disk.
The difference is immediately noticeable in RDP sessions. Windows boots in seconds, applications launch instantly, File Explorer responds without delay, and operations like compiling code or querying a database complete dramatically faster than on SATA SSD or HDD-backed VPS plans.