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DimensionsHeight (front and back):Inspiron 3421 17.78 mm to 25.35 mm (0.70 inch to 1.00 inch)Inspiron 5421 17.48 mm to 25.00 mm (0.69 inch to 0.98 inc
MemoryType:Inspiron 3421/5421 Dual-channel DDR3Inspiron 3437/5437 Dual-channel DDR3LSpeed Up to 1600 MHzConfigurations supported 2 GB, 4 GB, 6 GB, and
AudioController Realtek ALC3223Speaker 2 x 2 WInternal microphone support Single digital microphone in camera assemblyVolume controls Program menus an
DisplayType • 14.0-inch HD WLED with TrueLife (1366 x 768)• 14.0-inch HD WLED with TrueLife (1366 x 768) - Touchscreen• 14.0-inch anti-glare HD+
BatteryType • 4-cell “smart” lithium ion (40 WHr)• 6-cell “smart” lithium ion (65 WHr) Dimensions: 4-cell 6-cellHeight 20.00 mm (0.79 inch) 35.40 m
Computer EnvironmentTemperature range:Operating 0 °C to 35 °C (32 °F to 95 °F)Storage –40 °C to 65 °C (–40 °F to 149 °F)Relative humidity (maximum):Op
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