DELL Inspiron 3000 Desktop PC is the appropriately made business machine. It has an Intel Core i3-4150 3.50GHz processor clubbed with 4GB of DDR3 RAM to give you optimum multi-tasking performance. You also get a 1TB HDD to securely store all your data. The Windows 8.1 64-bit OS comes pre-installed and supports all major business applications. It is a very user-friendly OS with abundant features and the machine.