You can deposit as much physical cash into a bank as your personal or business financial holdings dictate, as there is no absolute ceiling on total deposit volumes. Whether you are depositing a modest hundred dollars or a massive commercial cash sum, commercial banks will accept the funds into a valid account. However, large cash deposits require adherence to strict verification protocols. Depositors must provide proper identification, taxpayer identification numbers, and verifiable paperwork explaining where the cash came from. Very large bulk deposits should be handled directly by branch tellers rather than automated machines due to physical deposit slot constraints.