Memory Card for Dash Cam

2 商品

High Endurance Storage

Memory Card for Dash Cam — Built for 24/7 Loop Recording

Dash cameras demand storage that can handle constant loop recording, temperature swings, and vibration — without dropping frames or corrupting footage. KingSpec's memory card range delivers the sustained write performance, endurance, and reliability that dash cam recording requires.

Every card is backed by a 3-year warranty and built for professional-grade reliability across a wide range of recording environments.

110MB/s Max write speed on V30
V30 / U3 Speed class rating
512GB Max capacity on V30
3-Year Warranty on all cards

Dash Cam & Dash Cam SD Card — Which Card to Choose

MicroSDXC UHS-I V30
32GB – 512GB  |  Read up to 175MB/s  |  Write up to 110MB/s  |  V30 / U3  |  SD adapter included
4K Ready Dash Cam Action Camera Surveillance
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SDXC UHS-I U3 V30
32GB – 64GB  |  Read up to 165MB/s  |  V30 / U3
DSLR Mirrorless 4K Video
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SATA CFast Card
256GB – 1TB  |  3D NAND Flash  |  4K Video Recording  |  3-Year Warranty
Cinema 4K Pro High Capacity
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The MicroSDXC UHS-I V30 is the primary dash cam microSD card in the KingSpec range — designed for continuous loop recording with sustained write speeds up to 110MB/s and a V30 speed class that covers both 1080p and 4K dash cam recording.

Drone Memory Card & Aerial Photography

Drone memory cards face different demands — high-speed sequential writes during 4K or 8K video capture, vibration, altitude, and the need for large capacities on extended shoots. KingSpec's SDXC UHS-II cards are built for exactly these workloads.

SDXC UHS-II U3 V60
64GB – 512GB  |  Read up to 280MB/s  |  Write up to 195MB/s  |  V60
4K / 8K Drone UHS-II Cinema
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SDXC UHS-II U3 V90
64GB – 512GB  |  Read up to 280MB/s  |  Write up to 269MB/s  |  V90  |  pSLC
8K Cinema pSLC -20°C – 75°C
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CFexpress Type B
Up to 4TB  |  Read 1850MB/s  |  Write 1750MB/s  |  4K / 8K Cinema
Pro Cinema Max Speed Up to 4TB
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Performance Comparison

Card Capacity Read Speed Write Speed Speed Class Best For
MicroSDXC UHS-I V30 32GB – 512GB Up to 175MB/s Up to 110MB/s V30 / U3 Dash cam, action camera, surveillance
SDXC UHS-I U3 V30 32GB – 64GB Up to 165MB/s — V30 / U3 DSLR, mirrorless cameras
SDXC UHS-II U3 V60 64GB – 512GB Up to 280MB/s Up to 195MB/s V60 / U3 4K / 8K drone, cinema cameras
SDXC UHS-II U3 V90 64GB – 512GB Up to 280MB/s Up to 269MB/s V90 / U3 Professional 8K, cinema production
CFexpress Type B Up to 4TB 1850MB/s 1750MB/s — Pro cinema, flagship cameras

What Makes a Good Dash Cam Memory Card?

1. Sustained Write Speed (V30 or Higher)

A dash cam records continuously. The V30 speed class guarantees a minimum sustained write speed of 30MB/s — well above what 1080p and 4K dash cam recording require. KingSpec's V30 cards deliver up to 110MB/s write speed, providing reliable headroom for extended loop recording.

2. High Endurance NAND Flash

Loop recording rewrites the same memory cells thousands of times. KingSpec memory cards use quality NAND flash modules designed for repeated write cycles, helping maintain data integrity and consistent performance over time.

3. Temperature Tolerance

Dash cameras are exposed to extreme temperatures — hot cars in summer, cold mornings in winter. The SDXC UHS-II V90 card is rated for storage temperatures from -20°C to 75°C, covering the full range of in-vehicle conditions.

4. Fast Read Speeds for File Transfer

When you need to review or back up footage, fast read speeds matter. KingSpec's V30 microSD delivers read speeds up to 175MB/s, so you can transfer hours of dash cam footage quickly to your laptop or external drive.

Why V30 Matters for Dash Cam Recording

The Video Speed Class rating — V10, V30, V60, V90 — indicates the minimum sustained write speed a card can maintain during video recording. A dash cam recording 1080p at 60fps typically requires 20–30MB/s minimum. For 4K dash cameras, V30 is the practical minimum.

Beyond speed class, dash cam microSD cards must handle thousands of rewrite cycles per day. KingSpec's V30 cards are built with high-quality NAND flash and include built-in error correction to help maintain data integrity through extended loop recording sessions. The included SD adapter converts the microSD card for dash cam use into a full-size SD card for cameras, laptops, and other devices.

Frequently Asked Questions

What is the best memory card for dash cam recording?
The best dash cam memory card is a V30-rated microSD card with high endurance design. The KingSpec MicroSDXC UHS-I V30 delivers sustained write speeds up to 110MB/s, capacities from 32GB to 512GB, and includes an SD adapter for broad device compatibility. For 4K dash cameras, V30 is the recommended minimum speed class to avoid dropped frames.

What size microSD card do I need for a dash cam?
64GB or 128GB is typically sufficient for dash cam loop recording. A 64GB card holds approximately 4–6 hours of 1080p footage; 128GB extends that to 8–12 hours depending on resolution and compression. For 4K dash cameras or longer retention between overwrites, 256GB or 512GB provides more headroom.

Can I use a dash cam microSD card in a drone?
Yes. The KingSpec V30 microSD works in consumer drones recording 1080p or 4K video. For professional drones shooting high-bitrate 4K or 8K, the SDXC UHS-II V60 or V90 cards provide the sustained write speeds those workloads demand. The same card working across dash cam, drone, and action camera is a practical advantage of the microSD form factor.

How often should I format my dash cam memory card?
Format your dash cam memory card every 2–4 weeks, or whenever prompted by the dash cam. Always format in the dash cam itself rather than on a computer — this ensures the file structure is optimised for that device. Transfer any footage you want to keep before formatting. Regular formatting helps maintain write performance, reduces corruption risk, and extends the card's service life.

What's the difference between V30 and V60 for dash cam use?
V30 (minimum 30MB/s sustained write) is the practical minimum for 4K dash cam recording and fully covers 1080p at any frame rate. V60 (minimum 60MB/s) provides additional headroom and is designed for professional 4K and 8K production workflows. For dash cam use, V30 is sufficient and more cost-effective — V60 makes sense when you need one card that works across dash cam and professional drone or cinema equipment.

Do dash cam memory cards work in extreme temperatures?
KingSpec's professional memory cards like the SDXC UHS-II V90 are rated for storage temperatures from -20°C to 75°C — covering the range of conditions a dash cam encounters from cold winter mornings to a car parked in summer heat. Always check the card's temperature specifications before use in htmlextreme climates.

Explore More

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