http://www.cpu-world.com/cgi-bin/CPUID.pl?CPUID=24468

CPU information^ hoping to upgrade power supply,video,memory,CPU.

Brand New Dell Optiplex 170L Replacement 480W 480 Watt Power Supply B110

Kingston Technology 1 GB DIMM Memory 333 MHz (PC 2700) 184-Pin DDR SDRAM Single (Not a kit) KTD4550/1Gx2

EVGA nVidia e-GeForce 6200LE 256 MB 256-P1-N400-LR

Intel Pentium 4 3.4GHz / 1MB Cache / 800MHz FSB / Socket 478 / HyperThreading / Processor