Smad DSD-772WMU 21 cu ft Convertible Upright Freezer
#1 in LargeFull review
A garage-ready frost-free 21 cu ft convertible for a family stocking up.
Amazon $999$999
The Smad DSD-772WMU 21 cu ft Convertible Upright Freezer and the Black+Decker BUC1700XW 17 cu ft Convertible Freezer are evenly matched, rated 3.8 and 3.8. The Smad DSD-772WMU 21 cu ft Convertible Upright Freezer leads on efficiency and garage. The Black+Decker BUC1700XW 17 cu ft Convertible Freezer wins on warranty. The Black+Decker BUC1700XW 17 cu ft Convertible Freezer costs $229.01 less ($769.99 vs $999).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Black+Decker BUC1700XW 17 cu ft Convertible Freezer
#2 in LargeFull review
A frost-free 17 cu ft convertible at the lowest price per cubic foot among the major brands.
Amazon $769.99$769.99
Which should you buy?
- Choose the Smad DSD-772WMU 21 cu ft Convertible Upright Freezer for efficiency (492 kWh a year (23.4 kWh per cu ft) vs 435 kWh a year (25.6 kWh per cu ft)) and garage (rated to run in rooms down to 0 °F vs garage ready, lowest room temperature not stated).
- Choose the Black+Decker BUC1700XW 17 cu ft Convertible Freezer for warranty (1-year full warranty, 5 years on the compressor vs 1-year full warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large freezer; a clear win is highlighted. How we rank explains each one.
| Factor weight | Smad DSD-772WMU 21 cu ft Convertible Upright Freezer | Black+Decker BUC1700XW 17 cu ft Convertible Freezer |
|---|---|---|
| Overall rating | 3.8/5 | 3.8/5 |
| Value 30% | 64 $47.57 per cu ft ($999, 21 cu ft) | 68 $45.29 per cu ft ($769.99, 17 cu ft) |
| Efficiency 20% | 71 492 kWh a year (23.4 kWh per cu ft) | 53 435 kWh a year (25.6 kWh per cu ft) |
| Garage 10% | 100 rated to run in rooms down to 0 °F | 80 garage ready, lowest room temperature not stated |
| Warranty 15% | 0 1-year full warranty | 22 1-year full warranty, 5 years on the compressor |
| Features 25% | 90 frost-free defrost, alarm, converts to fridge, 4 shelves, 6 bins or drawers | 90 frost-free defrost, alarm, converts to fridge, 4 shelves, 4 bins or drawers |
Specifications
| Smad DSD-772WMU 21 cu ft Convertible Upright Freezer | Black+Decker BUC1700XW 17 cu ft Convertible Freezer | |
|---|---|---|
| Storage | ||
| Capacity | 21 cu ft | 17 cu ft |
| Shelves | 4 | 4 |
| Bins and drawers | 6 | 4 |
| Defrost | Frost free | Frost free |
| Converts to fridge | Yes | Yes |
| Energy and placement | ||
| Energy use | 492 kWh/yr | 435 kWh/yr |
| ENERGY STAR | Yes | Yes |
| Room temperature range | 0 to 110 °F | - |
| Garage ready | Yes | Yes |
| Build | ||
| Alarm | Yes | Yes |
| Dimensions | 32.8 x 28.9 x 76.8 in | 28 x 31.9 x 68 in |
| Weight | 201 lb | 165.3 lb |
| Warranty | 1 year | 1 year |
| Compressor warranty | - | 5 years |
| Released | 2020-09-17 | 2025-01-16 |