To fill this freezer you would need…
Maximum Rack Capacity per Freezer: 15 racks for Deep-Well Plates
Maximum Deep-Well Plates per Rack: 30 plates
Maximum Deep-Well Plates Per Freezer: 450 plates
Internal Freezer Dimensions: 20″W x 22″F-B x 51-1/4″H 50.8 x 55.9 x 130