Can You Play PS2 Games on a 120 GB PS3? No—Slim Models Lack Backward Compatibility

No. The 120 GB PS3 (CECH-2xxx "Slim") lacks PS2 backward compatibility.

Only BC Models

• CECHA (60 GB, launch) – Hardware EE+GS
• CECHB (20 GB, launch) – Hardware EE+GS
• CECHC (60 GB) – Partial software (GS hardware)
• CECHE (80 GB, MGS4 bundle) – Partial software

All Slim (CECH-2xxx/3xxx) and Super Slim (CECH-4xxx) models cannot play PS2 discs.

Alternatives

• PS2 Classics (digital): Select titles on PS Store (closed 2021 on PS3)
• PS Plus Premium (PS4/5): Streaming library includes some PS2 games
• PCSX2 (PC): Best compatibility, upscaling, widescreen patches
• Original PS2: Cheap, 100% compatible