
SentrySafe HD4100 Black
Score: 72/100
SentrySafe CHW30300
Score: 82/100Rankings

The SentrySafe CHW30300 is a compact, fireproof and waterproof lock box featuring a digital keypad and adjustable tray for organized storage. It offers UL-classified fire protection and ETL-verified water resistance, making it ideal for documents and small electronics. However, its resin construction and limited capacity make it less suitable for high-security or bulk storage needs.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
30 minutesbest | 30 minutesbest | |
1,550 degrees_fahrenheitbest | 1,550 degrees_fahrenheitbest | |
1,123.2 cubic_inchesbest | 62.21 cubic_inches | |
| ↓ lower better | 14.3 inches | 7.6 inchesbest |
| ↓ lower better | 15.5 inchesbest | 16.5 inches |
| ↓ lower better | 13.5 inchesbest | 14.8 inches |
| ↓ lower better | 38.85 pounds | 24 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 | 62.21 cubic_inches |
Exterior Height (inches) | 14.3 inches | 7.6 inches |
Exterior Width (inches) | 15.5 inches | 16.5 inches |
Exterior Depth (inches) | 13.5 inches | 14.8 inches |
Build & Portability(3) | ||
Weight (pounds) | 38.85 pounds | 24.0 pounds |
Construction Material | Composite | Concrete |
Hinge Type | Standard | Pry-resistant |
Security & Locking(3) | ||
Lock Type | Key | Digital Keypad |
Security Bolts | false | true |
Backup Access | Keys | Override Key |
Installation & Support(1) | ||
Mounting Hardware | false | true |
Usability(1) | ||
Interior Shelves | false | true |

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 the FPW082FS for versatile storage with an adjustable tray, or the CHW30300 for minimal footprint shelf storage of small essentials.

Professional reviewers highlight the SentrySafe FPW082FS as a reliable choice for everyday protection, emphasizing its UL and ETL certifications as top-tier for its size. Editors note that the digital keypad and override key provide quick access, making it ideal for documents and keepsakes, while the adjustable tray aids in organization. The product is praised for its stability and built-in light, though its resin construction is noted as less robust than steel alternatives.
Everyday users commonly praise the ease of use, citing the backlit keypad and long battery life as reliable features for home and office setups. Recurring themes include satisfaction with the fire and water protection ratings and the compact size fitting well on shelves. However, complaints frequently focus on the heavy weight making it hard to move, occasional keypad glitches, and limited space for larger items.