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The Vizio M421VT is a mid-cost offering.

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built-in WiFi - no expensive, proprietary adapter required

2 agree

remote control - uses Bluetooth and integrates a QWERTY keyboard

2 agree

value - packed with features and competitively priced

1 agrees

great Internet app support - supports all of the major video streaming services

1 agrees

thin and lightweight - easily mounted on a wall

1 agrees
  • Only 3 words are allowed.

uses edge-lit LED technology - doesn't produce fully even backlighting

3 agree

only 120Hz capable - not as fast as competing 240Hz HDTVs

2 agree

RVR issue (Random Vizio Reboot)

2 agree

poor sounding built-in speakers

1 agrees
  • Only 3 words are allowed.


The Vizio M421VT is a mid-cost offering. This TV's 1,000,000: 1 dynamic contrast ratio and 120 Hz Smooth Motion processing refresh rate make for sharp, blur free images, even with fast action scenes. The M421VT's 42” display has Razor LED backlighting which, at 450 nits of brightness, offers deep blacks and bright whites. This 1080p display is equipped with sixteen zone Smart Dimming technology, which optimizes the backlighting for the room's lighting situation. The M421VT's built-in single-band 802.11n Wi-Fi receiver provides wireless connectivity for access to online TV, movies, social networking, and other online content. The Bluetooth remote of this TV has a full slide-out QWERTY keypad for easy input. The M421VT's SRS TruVolume feature limits volume inconsistencies between programming. The SRS TruSurround HD delivers virtual high definition surround sound. The Vizio M421VT is Energy Star 4.1 compliant, and mercury free.

  • Edge Lit Razor LED backlight
  • 1920 x 1080 resolution
  • 1,000,000:1 dynamic contrast ratio
  • 120Hz refresh rate
  • 450 nits brightness
  • Mercury free
  • SRS TruVolume
  • SRS TruSurround HD
  • 5 ms response time
  • Built-in single-band 802.11n Wi-Fi receiver
  • 178/178 viewing angle
  • 2 10 watt speakers
  • 1 component input
  • 1 composite input (shared with Component input connector)
  • 1 VGA input    
  • 16 zone Smart Dimming technology
  • RF Connector for Internal Tuner
  • 10/100 Base-TX Ethernet
  • 2 USB 2.0 inputs
  • 4 HDMI w/ HDCP inputs
  • HD Gameport
  • Weight: 43.56lbs.
  • Dimensions: 39.75" x 26.72" x 8.5"
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