Never trust a "PSX ROM" that is smaller than 100MB unless it is a known puzzle game. Always compress your own discs or download verified Redump CHD sets from trusted archival sites.
Original PSX games on CD-ROM typically range from each. When you try to build a "full library" on a 128GB SD card, you run out of space after only 150–200 games. Psx Highly Compressed Roms
| Game Title | Original BIN/CUE | CHD (Lossless) | PBP (Lossy Audio) | | :--- | :--- | :--- | :--- | | Final Fantasy VII (Disc 1) | 720 MB | 410 MB | 280 MB | | Metal Gear Solid | 680 MB | 370 MB | 220 MB | | Castlevania: SotN | 540 MB | 290 MB | 160 MB | | Gran Turismo 2 (Arcade) | 650 MB | 380 MB | 210 MB | | Crash Bandicoot 3 | 480 MB | 240 MB | 130 MB | | Spyro the Dragon | 520 MB | 270 MB | 145 MB | | Resident Evil 2 (Disc 1) | 710 MB | 390 MB | 250 MB | | Tony Hawk’s Pro Skater 2 | 460 MB | 230 MB | 125 MB | | Tomb Raider | 600 MB | 320 MB | 180 MB | | Suikoden II | 680 MB | 360 MB | 235 MB | Never trust a "PSX ROM" that is smaller