Masterbuilt 30-Inch Digital Electric Smoker vs Masterbuilt 40-Inch Digital Electric Smoker

Quick take: The Masterbuilt 30-Inch Digital Electric Smoker costs $100 less; the Masterbuilt 40-Inch Digital Electric Smoker offers more cooking space (970 vs 710 sq in).

SpecMasterbuilt 30-Inch Digital Electric SmokerMasterbuilt 40-Inch Digital Electric Smoker
Price~$250~$350
Rating4.3★ (1,210)—
TypeElectric SmokerElectric Smoker
Cooking Area710 sq in970 sq in
Max Temp275°F275°F
Fuel TypeElectricElectric
Build MaterialPowder-Coated SteelInsulated Steel with Chrome-Coated Racks
Hopper CapacityWood chip tray—
Burners——
WiFi / AppNoNo
App controlNoNo
Meat probeYesYes
PID controllerYesNo
Side burnerNoNo
RotisserieNoNo
SearingNoNo
Dimensions20.5 x 20 x 33 in25.6 x 19.9 x 41.3 in
Weight46 lbs—
Warranty1 year1 year

Pros & cons

Masterbuilt 30-Inch Digital Electric Smoker

  • ✓It's the most foolproof way to smoke - just set the temp and time digitally, load chips, and walk away; perfect for total beginners
  • ✓The patented side wood-chip loader lets you add chips without opening the door and losing heat and smoke
  • ✓710 sq in over four racks fits a surprising amount - multiple racks of ribs, several chickens, or pork butts
  • ✓The insulated cabinet holds steady low temps reliably, even in cooler weather, with very little fuss
  • ✓At ~$250 it's inexpensive and includes a meat probe for monitoring internal temp
  • ✓It's electric, so no fire-tending, charcoal, or propane - just plug it into a standard outlet
  • ✓It's light at ~46 lbs and compact, easy to store or move on a balcony or small patio
  • ✓Cold-smoking cheese and fish is easy at its low minimum temp, expanding what you can make
  • ✗It tops out at 275°F, so it can't crisp poultry skin or sear anything - you finish those in an oven or on a grill
  • ✗Smoke flavor from chips is milder than charcoal or wood, and purists find it lacks the depth of a real fire
  • ✗The cheap chip tray produces inconsistent smoke and many owners add an aftermarket cold-smoke tube for steadier output
  • ✗Build quality is budget - the thin door seal, latches, and racks are common early failure points
  • ✗The 1-year warranty is short, and the heating element or controller can fail after a couple seasons
  • ✗It needs an electrical outlet, limiting where you can place it and making it useless off-grid
  • ✗The non-WiFi model has no app, so you check it manually unless you buy the Bluetooth/WiFi version
  • ✗The window models can be hard to see through once the glass smoke-coats, and the door doesn't always seal tightly

Masterbuilt 40-Inch Digital Electric Smoker

  • ✓970 sq in over four racks is roughly double the 30-inch model — eight pork butts or sixteen chickens in one load
  • ✓The patented side wood-chip loader adds chips without opening the door, so the cabinet does not dump heat every 45 minutes
  • ✓Thermostatic control down to 100°F makes it genuinely usable for sausage, jerky and fish, which charcoal smokers struggle to hold
  • ✓Fully insulated body means cold-weather performance is far better than an uninsulated bullet or drum
  • ✓Plug-in operation — no fuel to buy, no ash to clean, no fire to manage
  • ✗275°F ceiling means no crisp poultry skin and no searing; anything needing 300°F-plus has to finish in an oven or on a grill
  • ✗Electric element smoke is thin — the smoke ring and bark are noticeably lighter than charcoal or a stick burner produces
  • ✗1-year warranty is the shortest in this comparison set
  • ✗Chip tray needs reloading roughly every 45–60 minutes for the first few hours; a cold-smoke attachment is a separate purchase
  • ✗Needs a dedicated 120V outlet within reach and is not usable where there is no power