Side-by-side reliability

Valve Steam Deck LCD vs ASUS ROG Ally Z1 Extreme

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

Model A

Valve Steam Deck LCD

Reliability signal B · Early signal · data confidence Low

6 failure reports · Early signal · Low confidence

Most common failure: No power / no charging LED; will not turn on
Typical failure age: 3 yr
Median repair cost: $200
Highest reported repair: $200

Median months

% mfr warranty

After warranty reports

Avg repair cost

$200

Top failure categories

No power / no charging LED; will not turn on1
USB-C data/peripheral failure (power/HDMI still work)1
Shorted capacitor; screen and buttons dead; warranty denied1
Built-in controller disconnect from haptic/trackpad failure1

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Model B

ASUS ROG Ally Z1 Extreme

Reliability signal — · Insufficient data · data confidence Very Low

2 failure reports · Insufficient data · Very Low confidence

Most common failure: Built-in controller / MCU failure with short near MCU
Typical failure age: 2 yr
Median repair cost: —
Highest reported repair: —