This PSU:
Newegg.com - XCLIO STABLEPOWER 500W ATX 500W Power Supply 100 - 240 V UL, CUL, TUV, CB, VDE, FIMKO, DEMKO, NEMKO, SEMKO - Retail
For a machine with the following specs:
CPU: Pentium E2140 1.6Ghz
RAM: 2GB DDR2 667
1 DVD Burner
1 160GB WD 7200rpm hd
onboard graphics
stock cpu cooler
no...