To fill this freezer you would need…
Maximum Racks per Freezer: 12 racks for Microtube Boxes
Maximum Microtube Boxes per Rack: 20 boxes
Maximum Microtube Boxes per Freezer: 240 boxes
Internal Freezer Dimensions: 20.5”W x 20.4”D x 44.1”H 520 x 517 x 1120 mm