Amazon offers the Antec Performance One ATX Mid-Tower Computer Case
, model no. P280, for $79.99
with free shipping
. That's the lowest total price we could find by $20, although we saw it for $10 less (via mail-in rebate) last week (since expired). This case features three external 5.25" bays, six internal 3.5" / 2.5" drive trays, two internal 2.5" drive bays, nine expansion slots, two USB 3.0 and two USB 2.0 ports, three 120mm fans, accommodation for ATX, microATX, mini-ITX, and XL-ATX motherboards, and more.