To fill this freezer you would need…
Maximum Rack Capacity per Freezer: 45 racks for Deep-Well Plates
Maximum Deep-Well Plates per Rack: 10 plates
Maximum Deep-Well Plates Per Freezer: 450 plates
Internal Freezer Dimensions: 55″ x 19″ x 20″ 139.7 x 48.3 x 50.8