
SentrySafe HD4100 Black
Score: 72/100
Yiyitools Fireproof Lock Box
Score: 45/100Rankings

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 Yiyitools Fireproof Lock Box is a compact, portable safe featuring dual locking mechanisms for documents and valuables. It lacks verified fire certification and specific performance metrics, making its protective capabilities unconfirmed. It is best suited for users seeking basic, low-profile storage rather than certified disaster protection.
| Attribute | ![]() | ![]() |
|---|---|---|
30 minutesbest | — | |
1,550 degrees_fahrenheitbest | — | |
1,123.2 cubic_inchesbest | — | |
| ↓ lower better | 14.3 inches | 5 inchesbest |
| ↓ lower better | 15.5 inches | 9 inchesbest |
| ↓ lower better | 13.5 inches | 13 inchesbest |
| ↓ lower better | 38.85 pounds | 4.41 poundsbest |
72 minutesbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Fire Protection(2) | ||
Fire Rating Duration (minutes) | 30 minutes | Unknown minutes |
Fire Rating Temperature (degrees_fahrenheit) | 1550 degrees_fahrenheit | Unknown degrees_fahrenheit |
Dimensions & Capacity(3) | ||
Exterior Height (inches) | 14.3 inches | 5.0 inches |
Exterior Width (inches) | 15.5 inches | 9.0 inches |
Exterior Depth (inches) | 13.5 inches | 13.0 inches |
Environmental Protection(1) | ||
Water Resistance Duration (minutes) | 72 minutes | Unknown minutes |
Build & Portability(2) | ||
Weight (pounds) | 38.85 pounds | 4.41 pounds |
Construction Material | Composite | Double cold-rolled steel |
Security & Locking(2) | ||
Lock Type | Key | Combination and Key |
Backup Access | Keys | Key |

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”



Choose SentrySafe for certified protection and verified specs; Yiyitools remains unverified.

No professional reviews or expert opinions are available for this product due to the absence of verifiable data and search results.
No consumer sentiment data is available as there are no user reviews or feedback reported for this product.