1. An apparatus for queuing and ordering commands for a data storage device, comprising: a slot tracker module that is arranged and configured to track available slots for commands from a host; a command transfer module that is operably coupled to the slot tracker module and that is arranged and configured to retrieve commands from the host based on a number of the available slots; a pending command module that is operably coupled to the command transfer module and that is arranged and configured to queue and order the commands from the host for processing using an ordered list that is based on an age of the commands; and a task dispatch module that is operably coupled to the pending command module and that is arranged and configured to dispatch the commands for processing using the ordered list from the pending command module and an availability of storage locations.