Multi-function general-purpose servers, namely, load balancers, web servers, mail servers, cache servers, database servers, application servers, storage servers, content delivery servers, network management servers, game servers, microservers, computing servers; computers; computer data storage devices, namely, computer storage servers, NAS (Network-attached storage) hardware and operating software, SAN (storage area network) hardware and operating software, unified storage (NAS and SAN) hardware and operating software, and JBOD (Just a Bunch of Disks) hardware and operating software