64GB Micro SD Card 2-Pack, High Endurance A1 U3 V30 4K Video Recording
Quick take
This 2-pack of 64GB microSDXC cards is designed for high-frequency writing and steady recording, targeting dash cams, security cameras, and other continuously writing devices. It’s also A1-rated for app storage use on compatible Android phones. The main catch is video format support: it’s optimized for standard 4K (up to about 30fps) and 1080p, and it is not recommended for 4K 60fps or 8K.
Pros and cons
Pros
- U3 and V30 speed class aimed at reliable 4K-ready recording and continuous write use cases.
- A1 rating (1500/500 IOPS) supports smoother app performance when formatted as internal storage on compatible Android devices.
- Comes as a 2-pack with an SD adapter and a USB reader for easier use across devices.
- Durability and protection claims include waterproof, shockproof, magnet-proof, X-ray proof, and temperature resistance.
Cons
- Not intended for 4K 60fps or 8K workflows, so higher-bitrate cameras may require faster V60/V90 cards.
- Real-world usable capacity is lower than the labeled 64GB per card (expect about half-of-listing-style “missing” space due to formatting/reserve concepts).
- For the highest stated transfer speeds, a USB 3.0 reader is needed, while the included reader is USB 2.0.
What buyers think
Buyer-review evidence is limited but generally positive around straightforward usability and value. Several comments emphasize that the cards work as expected for everyday storage and for dash cam or outdoor camera use. There is also at least one negative report about compatibility or formatting issues on a Mac or with a camera, but the overall review evidence is not detailed enough to confirm a recurring product-level problem.
What this microSD card is for
The core idea behind this card set is endurance and stability. With a U3 and V30 rating, it’s positioned for devices that keep writing data over time, such as dash cams, security cameras, and monitoring systems. The A1 rating also makes it a sensible option for Android users who want to keep apps (or app-like workloads) on fast storage, assuming their phone and software support it.
Key specs that affect real-world performance
Speed classes: U3 and V30 for recording reliability
U3 (UHS-I speed class) and V30 (video speed class) are meant to support sustained write performance for video capture. For most shoppers, the practical takeaway is fit: it’s designed to handle common dash-cam and security-camera style recording, including standard 4K (with the stated optimization caveat below).
A1 app performance rating (for compatible Android)
If your phone supports it, A1 (1500 IOPS read / 500 IOPS write) is the spec that targets smoother app launching and app data access compared with older or lower-endurance cards. This matters most when you’re using the card for app storage, not just media storage.
Transfer expectations: what 100MB/s claims mean for you
The listing references about 90MB/s read and around 30MB/s write. It also notes that to reach the top speed potential you should pair the card with a USB 3.0 reader. The bundle includes a USB 2.0 reader, which is fine for basic copying, but it may limit how quickly you can move large files compared with a USB 3.0 setup.
4K and high-bitrate video compatibility (important limitation)
This card is optimized for standard 4K (around 30fps) and 1080p recording. It is not recommended for 4K 60fps or 8K, which typically require higher video speed classes (for example, V60 or V90) to handle the higher sustained bitrate.
If your camera or drone specifies those higher modes, double-check the microSD card’s required video speed class before buying.
Durability and protection claims, explained for buyers
The set is promoted as “multi-protection,” with claims including waterproof, shockproof, magnet-proof, X-ray proof, and temperature resistance. For buyers, these features are most relevant when you use cards in outdoor cameras, vehicles, drones, or other environments where drops, temperature swings, and exposure risks are more common.
That said, these claims are about physical resilience and data protection. They do not replace the need to use the correct speed class for your camera’s recording mode.
Bundle contents and why it helps
You get two 64GB microSDXC cards plus an SD adapter and a USB reader. The adapter setup is described as one card already inserted into the SD adapter, while the second card sits in a protective case. This makes it easier to use one card in a camera while formatting or transferring data with the other.
Who should buy this
- Dash cam and security camera owners who want a 2-card setup for rotation and continuous write workloads.
- Android users who want a microSD card with an A1 rating for app storage (only if your device supports that feature).
- Buyers who want a practical starter bundle with an SD adapter and a basic USB reader for transfers.
- Shoppers focused on value per gigabyte and straightforward everyday use, based on the generally positive “works fine” type feedback.
Who should avoid (or choose a faster card)
- Anyone recording 4K 60fps or 8K, since the card is not recommended for those higher-bitrate modes.
- Users who require maximum transfer throughput right away, because the included reader is USB 2.0 and may cap speeds.
- Buyers who frequently move between different device ecosystems (for example, certain Mac-camera workflows), since review evidence includes a limited report of formatting/acceptance issues. If your setup is picky, verify compatibility before relying on any single card model.
Price and availability
The listing shows pricing and availability as in stock, with a current price point that positions it as a value 2-pack. For the most accurate cost versus faster alternatives (like V60/V90 cards for high-bitrate video), check the live price using the link below.
Verdict
This is a solid pick for buyers who need dependable sustained write performance for standard dash cam, security camera, and other continuous recording uses, especially when paired with compatible devices. It also makes sense for Android app storage use thanks to the A1 rating. The main decision point is video mode, if you need 4K 60fps or 8K, you should look for a higher video speed class card instead.
FAQs
Is this microSD card good for dash cams and loop recording?
It’s designed for continuous writing use cases, supported by U3 and V30 ratings. That makes it a reasonable fit for many standard dash cam and security camera workflows.
Does it support 4K 60fps or 8K?
It’s optimized for standard 4K (around 30fps) and 1080p, and it is not recommended for 4K 60fps or 8K. Higher-bitrate recording typically requires a faster V60 or V90 card.
Will the included USB reader deliver the fastest speeds?
The bundle includes a USB 2.0 reader, and the listing notes that to reach the top speed potential (around the highest read figures) you should use a USB 3.0 reader.
How much usable space should I expect?
Like most microSD cards, usable capacity is lower than the labeled size after formatting and system reserve space. Expect roughly less than the headline 64GB per card.
Can I use it as internal storage for Android apps?
The A1 rating (1500/500 IOPS) is meant to support smoother app performance on compatible Android phones when formatted as internal storage. Your phone must support that feature, and you should confirm compatibility before enabling it.
What’s included in the 2-pack?
You get two 64GB microSDXC cards, an SD adapter, and a USB reader. One card is described as pre-inserted into the SD adapter, while the second card is placed in a protective case.
Specifications
| Product Title | 64GB Micro SD Card 2-Pack, High Endurance A1 U3 V30 4K Video Recording, Compatible with Security Camera, Dash Cam, Drone, 100MB/s MicroSDXC Memory Card UHS-I Class 10, with SD Adapter & USB Reader |
|---|---|
| Category | Electronics > Computers & Accessories > Computer Accessories & Peripherals > Memory Cards > Micro SD Cards |
| Brand | Generic |
| Manufacturer | Skyfoxx |
| Model Name | F-SDK-001 |
| Model Number | F-SDK |
| Color | Black |
| Flash Memory Type | Micro SDXC |
| Memory Storage Capacity | 64 GB |
| Compatible Devices | Camera, Gaming Console, Personal Computer, Printer, Smartphone |
| Additional Features | Magnetic Proof, Temperature Proof, Vibration Proof, Water Proof, X Ray Proof |
| Read Speed | 91 Megabytes Per Second |
| Media Speed | 30 MB/s |
| Hardware Connectivity | USB 2.0, microSDXC |
| Secure Digital Association Speed Class | Class 10 |
| Flash Memory Video Speed Class | V30 |
| Item Dimensions L x W | 0.43"L x 0.59"W |
| Item Dimensions D x W x H | 0.04"D x 0.43"W x 0.59"H |
| Unit Count | 2.0 Count |
| Warranty Description | 1 year warranty |
| Warranty Type | Limited |
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