To fill this freezer you would need…
Maximum Racks per Freezer: 20 racks for Microtube Boxes
Maximum Microtube Boxes per Rack: 24 boxes
Maximum Microtube Boxes per Freezer: 480 boxes
Internal Freezer Dimensions: 23″W x 26″F-B x 51-1/4H 58.4 x 66.1 x 130