Fire protection is your primary metric.
⚠️ Standard fireproof safes protect paper by creating steam/moisture inside the safe to keep it cool. This steam will destroy USB drives, external hard drives, CDs, and old film negatives, which fail at just 125°F or 85% humidity. If you are storing digital media alongside paper, you must buy a specialized Data/Media Safe or use a "safe-within-a-safe" method. 🔒 2. Locking Mechanisms buy home safe
Look for a UL Class 350 1-Hour rating . This guarantees that when exposed to external temperatures up to 1700°F (the heat of a standard house fire), the inside of the safe will not exceed 350°F for at least 60 minutes. Fire protection is your primary metric