2.5" SATA vs. SAS; 7k vs 10k for call recording in Asterisk

We’re getting ready to do an upgrade for one of our customers and in searching around I can’t seem to find any recommendations on hard disk speeds and recording.

This particular server will have about 30 extensions with an average burst of about 10 simultaneous calls. They may double this in the next year.

Has anyone seen a good point at which it make sense to go 10k SATA or even 10k SAS when it comes to number us simultaneous calls being recorded?



Both are fast but SAS is faster.