Can You Play PS3 Games from a USB Flash Drive? No — Here's Why & Alternatives

No. The PS3 cannot run games directly from a USB flash drive.

Why

• Architecture: Games must be installed to the internal HDD or run from Blu-ray disc
• File system: PS3 uses a proprietary encrypted filesystem; FAT32/NTFS on flash drives are incompatible for game execution

Alternatives

1. External HDD (formatted for PS3): Connect via USB, format in Settings → System Settings → Format Utility. Store game installs/backups there
2. Game backups (disc required): You can backup discs to external HDD, but the original disc must be inserted to play (anti-piracy)
3. PlayStation Plus / PlayStation Now: Stream select PS3 games (requires subscription, internet)

Modifying the PS3 to boot games from USB (CFW) voids warranty, risks bans, and is legally grey.