Most people working with computers have first-hand experience of working with solid-state drives that are dramatically faster than the traditional hard drives, as they contain no moving parts. During the recent years a new advancement has been taking hold in the field, a combination of PCIe expansion bus and NVMe device interface that really makes your SSD (which you might want to call with a moniker PCIe-SSD) sing.
A drive connected through the PCIe bus is almost as fast as having your entire database in RAM.
The bottleneck responsible for most WordPress performance issues is the database.
World of WordPress is hosted by:
While others try to add more components to their hosting to make it go faster, we decided to build our hosting cloud fast from the ground up. We did so by stripping out everything we knew was deadweight.