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July 29, 2024

A Complete Guide to Choosing an SD Card for Your Dash Cam

Do you have a dash cam and are looking for an SD card to go with it? Here’s a comprehensive guide on what to consider when choosing an SD card for your dash cam.

Dash cams have become popular among drivers these days. They're really handy when it comes to recording incidents on the road.

However, the performance of your dash cam depends a lot on its storage. So, it's important to choose the right SD card for your dash cam.

Hence, we'll go over some important considerations you should make when picking an SD card for your dash cam, no matter your experience level.

Key Factors to Consider When Choosing an SD Card

  • Capacity
  • Write Speed
  • Durability
  • Temperature Resistance
  • Reliability
Key Factors to Consider When Choosing an SD Card

Getting an SD card is not just about storage space; it's about making sure you can capture all your important memories without any issues. Below are some key factors that you should consider while selecting the right SD card:

If you get a top-notch SD card for your dash cam with high capacity, write speed, level, and longevity, you can enjoy a flawless footage of your road trip.

 - 70mai

Key Factors

Capacity

When choosing an SD card for your dash cam, consider the amount of storage space you need based on your driving frequency and desired video quality. When recording in 4K resolution, the storage capacity of your SD card impacts how much footage you can capture:

  • 32GB SD card: Approximately 1-2 hours of recording time (~4-8 commutes)
  • 64GB SD card: Approximately 2-4 hours of recording time (~8-16 commutes)
  • 128GB SD card: Approximately 4-8 hours of recording time (~16-32 commutes)
  • 256GB SD card: Approximately 8-16 hours of recording time (~32-64 commutes)


For regular commuting and occasional long trips, a 32GB or 64GB SD card is suitable. However, if you plan to record in high resolution or capture extended footage, consider a 128GB or 256GB card for longer recording durations. So you can choose the capacity that best fits your recording needs and driving frequency. Remember to look at the capacity of the memory card supported by dashcam itself!

  • Class 10: Minimum write speed of 10 MB/s
  • UHS Speed Class 3 (U3): Minimum write speed of 30 MB/s

    Plus, a higher write speed helps prevent dropped frames and ensures that you capture all the important moments without interruption.

Write Speed

The second most important thing to consider is the write speed. This determines how quickly the device can record and store data. To ensure smooth recording, especially at higher resolutions, you'll want to look for SD cards with a Class 10 or UHS Speed Class 3 (U3) rating. These cards provide sufficient write speeds for most dash cams.

Durability

Regular SD cards may not withstand the extreme temperatures and constant vibrations of dash cam use, leading to data corruption or premature failure. For reliability:

  • High-endurance cards: Designed specifically for dash cams
  • Extended write cycles: Ensure long-lasting performance
  • Heat resistance: Operate reliably in extreme temperatures
  • Shockproof build: Withstand constant vibrations and harsh conditions
  • Choose high-endurance SD cards to ensure dependable performance and data integrity.

Temperature Resistance

If you're planning to get a dash cam, make sure to choose an SD card that works well under different weather conditions. Dash cams are exposed to extreme temperatures, so you'll want an SD card that can handle both scorching summers and snowy winters. Therefore, we suggest getting an SD card with wide operating temperature ranges, typically -25°F to 85°F. This will prevent data corruption and ensure that your SD card lasts longer.

Reliability

When it comes to choosing an SD card, it's important to go for a reliable and trustworthy brand. Stick to popular brands that are known for producing durable and high-performance storage solutions. These brands also offer warranty support, so you can get a replacement in case the card fails early. Avoid going for generic or unbranded SD cards, as they may not have the necessary quality control measures and could result in data loss or device malfunction. And, if you’re wondering which brand to go for, let us make it easy for you: Choose 70mai!

A Brief Overview of 70mai

70mai is a rising brand that specializes in making smart dash cams that are both innovative and reliable. They've been around since 2016 and have quickly built a loyal fan base because of their commitment to providing clear and crisp footage at affordable prices.But that's not all! Their dash cams are more than just a camera; some of their models have features like:

● 360° panoramic views, which eliminate blind spots.

● Advanced driver-assistance systems (ADAS) can alert you in real time for lane departures, forward collisions, and even pedestrian proximity, making your driving experience much safer.

● Superb night vision, thanks to their high-quality sensors and HDR technology.

● Dedicated smartphone apps that allow you to easily access and manage your footage so you can share and download clips on the go.

But do you know what’s the best part? 70mai also offers SD cards to go with their dash cams! Here’s a rundown of their SD cards, their features, and the dash cams they are compatible with.

 - 70mai

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70mai SD Cards (Maximum Storage Capacity Support)

● SD Card Levels

70mai SD cards have different levels. The 32 GB card has a U1 level, while the 64 GB, 128 GB, and 256 GB cards, are U3 level. Why is the level so important? This ensures the SD cards can handle continuous data writing and high-quality video recording.

● Writing Speed

As mentioned earlier, the writing speed determines how fast and smoothly an SD card can record and store data. Here are the writing speeds of each 70mai SD card:

  • The 32GB card has a writing speed of 30-100MB/s
  • The 64GB card has a writing speed of 55-100MB/s
  • The 128GB card has a writing speed of 90-100MB/s
  • The 256GB card has a writing speed of 90-100MB/s

The higher the writing speed, the smoother and more uninterrupted the captured footage!

● Endurance

The SD card level and write speed are one thing, but what makes 70mai SD cards really stand out from the crowd is their endurance. You see, 70mai SD cards are specifically designed for people all around the globe. Therefore, they can withstand extreme temperatures and offer superior durability by bearing high-level shakes and jolts.

To Wrap it Up

When you make up your mind about getting a dash cam, all you can think about is the amazing footage you’ll get to see and the memories you are going to make. However, what most people don’t realize is that an SD card is the backbone of it all.

If you get a top-notch SD card for your dash cam with high capacity, write speed, level, and longevity, you can enjoy a flawless footage of your road trip.

In this guide, we have compiled all the factors that you need to consider when choosing an SD card. And, if you’re still unsure, 70mai SD cards have got your back!

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