您可以尝试在以下网站购买韩国便宜服务器:
1. Hostinger:https://www.hostinger.com/servers/korea
2. Vultr:https://www.vultr.com/servers/korea
3. Linode:https://www.linode.com/servers/korea/
4. DigitalOcean:https://www.digitalocean.com/pricing/#droplet
5. Hetzner:https://www.hetzner.com/dedicated-rootserver/matrix-ax
请注意,在购买服务器时,请仔细阅读和理解服务条款和条件,以确保您的需求得到满足,并获得最佳的价格和服务。