Newegg offers the HP ProLiant ML10 V2 Intel Haswell Core i3 3.5GHz Tower Server, model no. 835267-P01, for $279.99. This $40 mail-in rebate drops it to $239.99. With free shipping, that's the lowest total price we could find by $40. It features an Intel Core i3-4150 3.5GHz Haswell dual-core processor, 8GB RAM, 500GB hard drive, and 350-watt power supply. (No operating system is included.)