
SentrySafe HD4100 Black
Score: 72/100
SentrySafe H0100
Score: 68/100Rankings

The SentrySafe HD4100 is a portable file safe designed to protect letter-sized documents and digital media from fire and flood damage. It features verified UL and ETL ratings, offering exceptional water resistance but only standard fire protection. It is best suited for homeowners needing reliable document storage in flood-prone areas who do not require high-security theft protection.

The SentrySafe H0100 is a compact, portable black chest designed for basic fire and water protection of valuables like documents and digital media. It features UL classification for 1/2 hour fire resistance and ETL verification for 72 hours of flood damage protection. It is best suited for users needing a lightweight, budget-friendly solution for minimal valuables.
| Attribute | ![]() | ![]() |
|---|---|---|
30 minutesbest | 30 minutesbest | |
1,550 degrees_fahrenheitbest | 1,550 degrees_fahrenheitbest | |
1,123.2 cubic_inchesbest | 29.38 cubic_inches | |
| ↓ lower better | 14.3 inches | 6.1 inchesbest |
| ↓ lower better | 15.5 inches | 14.3 inchesbest |
| ↓ lower better | 13.5 inches | 13 inchesbest |
| ↓ lower better | 38.85 pounds | 17 poundsbest |
72 minutesbest | 72 minutesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Dimensions & Capacity(4) | ||
Interior Capacity (cubic_inches) | 1123.2 cubic_inches | 29.38 cubic_inches |
Exterior Height (inches) | 14.3 inches | 6.1 inches |
Exterior Width (inches) | 15.5 inches | 14.3 inches |
Exterior Depth (inches) | 13.5 inches | 13.0 inches |
Build & Portability(2) | ||
Weight (pounds) | 38.85 pounds | 17.0 pounds |
Construction Material | Composite | Concrete |
Security & Locking(2) | ||
Lock Type | Key | Key Lock |
Backup Access | Keys | None |

Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the SentrySafe FHW40100 for its verified UL and ETL fire and water protections, noting it offers true peace-of-mind for document safety. Experts highlight its versatility for bulk items and hanging files, rating it highly for residential use. However, they caution that the basic keyed lock is not burglary-proof and the unit is heavy, making it less suitable for high-security needs or frequent relocation.
Everyday users commonly praise the product for surviving actual house fires and providing reliable protection against floods. Many appreciate the sturdy build and simple organization for important records. Recurring complaints include a stiff lock mechanism that requires lubrication, a tight interior fit for folders, and the difficulty of moving the heavy unit. Some long-term users report minor water leaks after extended periods.

“Survived a house fire-papers intact”

“Peace of mind for floods”

“Barely fits full folders”




Official SentrySafe specs and retail editors emphasize the H0100's simplicity and proven UL fire and ETL water ratings, positioning it as an ideal solution for basic home use. However, professionals consistently note that the keyed lock is not intended for tool attacks and that the compact size involves trade-offs in storage capacity compared to larger stationary models.
Everyday users commonly praise the safe for effectively protecting passports, cash, and USB drives during emergencies, with some reporting it survived a house fire intact. Recurring complaints focus on the unreliability of the key lock, with users noting keys sticking or being hard to turn, as well as the limited capacity for larger items and the thin build quality that dents easily.