PS3: CONSOLE

Model CECH A, B, C, E all have backward Compatibility (model CECH-E/C is software backwards combatable) 

Model CECH-G, H, J, K, L, M, P, Q Are non-backward Compatibility for ps2 games 

Comes in Piano Black, ceramic white, Gun-Metal grey, Satin Silver, and Cloud Black 

20GB Model Numbers: CECHBxx 

40GB Model Numbers: CECHGxx, CECHHxx 

60GB Model Numbers: CECHAxx, CECHCxx 

80GB Model Numbers: CECHExx, CECHLxx, CECHKxx, CECHMxx 

160GB Model Numbers: CECHPxx, CECHQxx 

120GB Model Numbers: Cech-20xxA, 21xxA 

250GB Model Numbers: Cech-20xxB, 21xxB 

160GB Model Numbers: Cech-25xxA, 30xxA 

320GB Model Numbers: Cech-25xxB, 30xxB 

Comes in Charcoal Black, White and pink, Classic White, Satin Silver, Titanium Blue, Magical Gold, Splash Blue and Scarlet Red, Black and Pink, and Gold 

12GB Model Numbers: Cech-40xxA, 42xxA, 43xxA 

250GB Model Numbers: Cech-40xxB, 42xxB 

500GB Model Numbers: Cech-40xxC, 42xxC, 43xxC