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True 4K UHD Dash Cams, Built for Evidence

A 4K dash cam records at 3840×2160 — four times the pixels of 1080p — so license plates, faces and road signs stay readable even after you zoom in on an incident. Current-generation VIOFO 4K cameras — the A139 Pro, A229 and A329 series — pair Sony STARVIS 2 sensors with HDR to keep that detail at night, against headlight glare and in harsh backlight.

Which VIOFO 4K Dash Cam Should You Choose?

The A229 Pro is the best-value dual-channel pick, recording 4K front and 2K rear. The flagship A329S steps up to 4K 60fps with Wi-Fi 6 and SSD storage support, while the A229 Ultra captures 4K at both front and rear. Telephoto (T) editions add optical zoom for long-range plate capture, and Waterproof (W) editions suit trucks, pickups and exposed mounting — every model ships free with an 18-month warranty.

4K Dash Cam FAQs

Is a 4K dash cam worth it over 1080p?
For evidence quality, yes. 4K records four times the pixels of 1080p, which is the difference between a readable license plate and a blur when you crop in on an incident. The advantage is biggest at distance, at night and with fast-moving traffic.
Which VIOFO 4K dash cam should I choose?
A229 Pro: best-value 4K front + 2K rear dual setup. A329S: flagship 4K 60fps with Wi-Fi 6 and SSD support. A229 Ultra: true 4K on both front and rear cameras. Pick a Telephoto (T) edition for long-range plate capture, or a Waterproof (W) edition for trucks, pickups and motorcycles.
How much storage does 4K recording use?
Roughly 20-30 GB per hour at high bitrate, so a 256 GB microSD card holds about 8-12 hours of loop recording. The A329 series also supports external SSDs up to 4 TB for multi-day parking and road footage.
Do 4K dash cams record well at night?
VIOFO's current-generation 4K models — the A139 Pro, A229 and A329 series — use Sony STARVIS 2 sensors designed for low light, plus HDR to balance headlight glare against dark streets. Resolution alone doesn't guarantee night quality - the sensor does most of the work, so check the sensor generation when comparing 4K dash cams.
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