Howdy. This is my first iMac. I was wondering if there are any benefits to partitioning the 3TB Fusion drive into 2 or more partitions for performance purposes. I'll be using the iMac mainly for large RAW file photo editing. Have purchased a CalDigit AV Pro 4TB external HDD drive for backup purposes. Would appreciate any suggestions, as I'm not really sure what the best practice approach for a 3TB fusion drive is, from a max performance standpoint, if any in fact, but thought to ask. Thanks.