Let me guess, higher binned Micron E which can be found in ~$120-200 kits.
The main problem is that most CPUs won't run at 5000. I'm able to set 4800-4866 stable on multiple Micron or Hynix kits but only on one CPU (tested multiple 3600, 3600X and 3700X) I was able to pass 4933+ and it wasn't even stable. The only 5000+ results that I've seen around the web were made using 3900X.
The main problem is that most CPUs won't run at 5000. I'm able to set 4800-4866 stable on multiple Micron or Hynix kits but only on one CPU (tested multiple 3600, 3600X and 3700X) I was able to pass 4933+ and it wasn't even stable. The only 5000+ results that I've seen around the web were made using 3900X.