Whether you're looking for the highest possible performance per rack unit or the strongest RAS-enabled server to run your mission-critical databases, Dell has a server to meet your needs. Factors such as performance per rack, expansion capabilities, and flash storage options will also drive your server decision. In our hands-on tests, we found that the Dell PowerEdge R820 server could handle up to 382,397 database orders per minute and had 73.6 percent greater performance per U of rack space than the R910. The Dell PowerEdge R910 processed 440,475 OPM. Its high number of logical processors, maximum expansion capabilities, and support for RAS technologies make the Dell PowerEdge R910 an excellent choice for your mission-critical data center applications.