If we are for general project use, we don't need to blindly choose Xen architecture scheme. OpenVZ is relatively cheaper. The hard disk is also started at 150gb, but it is an ordinary HDD Hard disk, not SSD solid-state disk. Memory is also 2GB start, traffic month 4tb, the price of $7.9. The data center also has four computer rooms, of which the Los Angeles computer room is the most preferred.