Hi, u can buy a upgrade combo, motherboard, processor, and memory. New technology is more cheaper.
In Argentina we call it "combo actualizacion" idk how traslate it. But u can get a new technology for 200$.
Motherboard: Gigabyte Ga-am1m-s2h sata3 usb 3.0.
Processor: Athlon 5150 4 cores 1.6 mhz
Ram: 4 gb ddr3 1600mhz.
Cheers.