Side-by-side reliability

Microsoft Surface Pro 4 vs A.O. Smith NU40T61-403

Compare reliability signal, data confidence, common failures, typical age, and reported repair cost. Warranty window reference: 12–12 months depending on category.

Compare up to four products →

Model A

Microsoft Surface Pro 4

Reliability signal B · Early signal · data confidence Low

6 failure reports · Early signal · Low confidence

Most common failure: Fire / ignition
Typical failure age: 3.9 yr
Median repair cost: —
Highest reported repair: —

Median months

% mfr warranty

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After warranty reports

Avg repair cost

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Top failure categories

Fire / ignition3
Overheating2
Explosion / rupture1

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Model B

A.O. Smith NU40T61-403

Reliability signal — · Insufficient data · data confidence Very Low

1 failure reports · Insufficient data · Very Low confidence

Most common failure: Fire / ignition
Typical failure age: 4 yr
Median repair cost: —
Highest reported repair: —