I use online heavily, forgot about that.
Here's a link to bookmark; https://console.online.net/en/order/server_limited
Occasionally there will be deals like 2xSSD HWraid 8-16 core 32GB/64GB ram for <$50/m there (if it's blank there are no promos).
[1] https://www.online.net/en/dedicated-server/dedibox-scg2