A standard 1TB hard drive can hold roughly 120 standard PS2 games. With high compression (average size: 300 MB per game), the same drive can hold 3,000+ games.
Making your own compressed ISOs from your original discs is easier than you think. Here’s a step-by-step guide: ps2 highly compressed games iso
Downloading executable files (.exe) claiming to be "highly compressed game installers" is a primary vector for malware. Legitimate PS2 games are ISO/CSO/BIN files, not installers. A standard 1TB hard drive can hold roughly
