This page is rather outdated, the answer depends on the protocol you use. Our entire site is being overhauled right now, so this will be addressed part of that

This page is rather outdated, the answer depends on the protocol you use. Our entire site is being overhauled right now, so this will be addressed part of that release. However the RSA portion only applies to OpenVPN, and for compatibility reasons. Use WG (our default protocol) if you want modern algos and high throughput.