
Honeywell 6108 Black
Score: 50/100
SentrySafe HD4100 Black
Score: 72/100Rankings

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 Honeywell 6108 is a compact, portable hideable safe featuring dual-layer steel construction with fire-resistant insulation and a programmable digital lock. It is designed for discreet storage of cash, documents, and small valuables in home or office environments, offering both electronic and mechanical backup access. Ideal for homeowners storing cash, jewelry, and important documents in a bedroom or closet.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 30 minutesbest | |
— | 1,550 degrees_fahrenheitbest | |
4.67 cubic_inches | 1,123.2 cubic_inchesbest | |
| ↓ lower better | 10.4 inchesbest | 14.3 inches |
| ↓ lower better | 5.5 inchesbest | 15.5 inches |
| ↓ lower better | 12.7 inchesbest | 13.5 inches |
| ↓ lower better | 6.3 poundsbest | 38.85 pounds |
— | 72 minutesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Fire Protection(2) | ||
Fire Rating Duration (minutes) | null minutes | 30 minutes |
Fire Rating Temperature (degrees_fahrenheit) | null degrees_fahrenheit | 1550 degrees_fahrenheit |
Compliance & Safety(1) | ||
Certifications | null | UL, ETL |
Dimensions & Capacity(4) | ||
Interior Capacity (cubic_inches) | 4.67 cubic_inches | 1123.2 cubic_inches |
Exterior Height (inches) | 10.4 inches | 14.3 inches |
Exterior Width (inches) | 5.5 inches | 15.5 inches |
Exterior Depth (inches) | 12.7 inches | 13.5 inches |
Environmental Protection(1) | ||
Water Resistance Duration (minutes) | null minutes | 72 minutes |
Build & Portability(3) | ||
Weight (pounds) | 6.3 pounds | 38.85 pounds |
Construction Material | Steel | Composite |
Hinge Type | Concealed | Standard |
Security & Locking(1) | ||
Lock Type | Electronic | Key |
Installation & Support(1) | ||
Mounting Hardware | true | false |

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

Professional reviewers describe the Honeywell 6108 as a discreet, portable security solution that is small enough to conceal under a bed or in a closet. While it is praised for being incredibly durable and flexible for securing important documentation and smaller valuables, reviewers note it provides only limited protection against fire damage due to the lack of an official fire rating.
The search results do not include specific consumer reviews, user ratings, or detailed feedback from everyday users regarding common praise or recurring complaints about the Honeywell 6108.

“Survived a house fire-papers intact”

“Peace of mind for floods”

“Barely fits full folders”




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.