Newegg offers the Phanteks Enthoo Pro ATX Steel/Plastic Mid Tower Chassis, model no. PH-ES515P, for $54.99 with free shipping via the instructions below. That's the lowest total price we could find by $30. It features two USB ports, eight internal 3.5" drive bays, and three internal 2.5" drive bays. Deal ends June 13. To get this deal:

1. View the Phanteks Enthoo Pro ATX Steel/Plastic Mid Tower Chassis for $74.99
2. apply coupon code "060824HRSA19" to cut the price to $69.99
3. redeem this $15 mail-in rebate for a final price of $54.99