【5-Years Data Recovery】 GIGASTONE 256GB Micro SD Card, 4K Camera Pro, A2 V30
Quick take
This 256GB microSDXC card is aimed at 4K video recording and high-throughput storage needs, with UHS-I U3 and V30 support plus A2 for faster app loading on compatible devices. It also comes with a card adapter for easier transfers. The main caveat is that real performance can vary by the device and workload, so you should match it to equipment that supports the U3/V30+A2 expectations.
Pros and cons
Pros
- Designed for high-resolution recording, including 4K UHD, with V30 video speed class support
- Fast transfer targets (up to 100 MB/s read and up to 60 MB/s “media speed”)
- A2 grade supports faster app loading performance on compatible smartphones and tablets
- Includes an adapter for use in devices that require an SD-size card
- 5-year limited warranty that includes free data recovery
Cons
- Performance will depend on your host device and how it uses the card (especially for sustained recording)
- Water and X-ray proof are listed features, but ruggedness expectations still vary by real-world conditions
- Best suited to buyers using A2/U3-class use cases, not basic storage-only needs
What buyers think
Buyer-review evidence for this card is mostly positive and centers on dependable day-to-day use in cameras and surveillance-style setups, with multiple snippets mentioning it “works great” and stays reliable for long-term recording. Several buyers also highlight that transfers feel quick, and at least a few note compatibility with specific action camera or 360-style gear. That said, buyer-review evidence here is limited in detail, so it’s best treated as general reassurance rather than proof of perfect performance in every device scenario.
Key features that matter for real use
4K-ready video performance with V30
If you shoot 4K or want a card that’s built to handle higher bitrate capture, the V30 video speed class is the spec signal to look for. This card pairs V30 with UHS-I U3 (Class 10) positioning, which typically aligns with smoother high-resolution recording compared to lower speed classes.
Speed for recording and transfers
The card is rated up to 100 MB/s for read, with up to 60 MB/s as the listed media speed. In practice, this is most noticeable when moving files to a computer or when your device benefits from faster write headroom for video. For sustained shooting, your device support (and its own controller) will heavily influence whether you hit the rated limits.
A2 grade for app-style use on supported devices
The A2 specification is intended for faster app load performance on compatible Android devices. If you plan to install or run apps from the microSD card on a phone or tablet that supports A2, this can be a meaningful upgrade versus older “basic” cards.
Compatibility across common devices
The card is positioned for a wide range of electronics including cameras, dash cams, drones, and action cameras. It is also marketed as compatible for Nintendo Switch storage expansion. As always, confirm your specific device supports microSDXC cards and the speed class your workflow needs, especially for recording use cases.
Pros and cons, from a buying perspective
Good fit if you want
- A 256GB microSD card for 4K camera recording and other higher-bitrate capture
- Solid everyday reliability for long recording sessions or continuous capture use
- Faster file transfers and smoother operation in compatible devices (U3/V30+A2 use cases)
- An SD adapter included for easy setup and transfers
Not the best choice if you
- Only need slow, basic storage expansion (a lower-cost card may be sufficient)
- Expect the rated speeds in every device scenario, regardless of device support or settings
- Do not have a use case where A2 or V30-style specs will actually be exercised
Price and availability
The card is listed as in stock in the US market. The exact price can change, so if you’re deciding between nearby capacity options, compare the final cost per gigabyte and whether the spec level (U3/V30 and A2) matches your device and recording needs.
Ready to check current pricing?
Verdict
The GIGASTONE 256GB Micro SD Card, 4K Camera Pro (A2 V30) is a strong choice for buyers who need a microSD card that can keep up with 4K recording expectations and also covers app-style performance on compatible smartphones. It also stands out with a 5-year limited warranty that includes free data recovery and a transfer-friendly adapter. If you’re shopping for a card mainly for basic storage, you may not need this spec level, but for 4K capture and A2/V30-driven workflows, it’s easy to see why it’s popular.
FAQs
Is this microSD card good for 4K video recording?
It’s designed for high-resolution recording with V30 video speed class support and UHS-I U3 (Class 10) positioning, which makes it a more suitable option for 4K-style workloads than lower speed-class cards. Actual results still depend on your camera or device and its settings.
What does the A2 rating mean on this microSD card?
A2 is intended for faster app loading performance on compatible smartphones and tablets that support A2. If your device does not support A2, you may not see app-related benefits.
What speeds are claimed for read and write?
The card lists up to 100 MB/s for read, with up to 60 MB/s as the media speed. Real-world speeds can vary based on the host device, file type, and whether you are measuring short transfers versus sustained recording.
Does it come with an adapter?
Yes. It’s sold with an SD adapter included, which can make transfers and compatibility easier for devices that use an SD card slot.
How does the 5-year data recovery warranty work?
The card includes a 5-year limited warranty with free data recovery. The offer is tied to each series’ starting date, so check the program details for your specific card series before relying on it.
Specifications
| Product Title | 【5-Years Data Recovery】 GIGASTONE 256GB Micro SD Card, 4K Camera Pro, A2 V30 for Smartphone, Gopro, Action Cams, 4K UHD Video, Nintendo-Switch Compatible, Up to 100MB/s, UHS-I U3 C10 with Adapter |
|---|---|
| Category | Electronics > Computers & Accessories > Computer Accessories & Peripherals > Memory Cards > Micro SD Cards |
| Brand | Gigastone |
| Manufacturer | Gigastone |
| Model Name | GS-2IN1666XU3V30A1 |
| Model Number | GS-2IN1666XU3V30A1-256GB-R |
| Color | 256GB 4K Camera Pro 1-Pack |
| Flash Memory Type | Micro SD |
| Memory Storage Capacity | 256 GB |
| Compatible Devices | Camera, Dash Cam, Drone, Gopro, Security Camera |
| Additional Features | Water Proof, X Ray Proof |
| Read Speed | 100 Megabytes Per Second |
| Media Speed | 60 MB/s |
| Hardware Connectivity | microSDXC |
| Secure Digital Association Speed Class | Class 10 |
| Flash Memory Video Speed Class | V30 |
| Warranty Type | Limited |
| EU Spare Part Availability Duration | 5 Years |
| UPC | 804272752540 |
| Global Trade Identification Number | 00804272752540 |
| Mfr Part Number | GS-2IN1666XU3V30A1-256GB-R |
| Unit Count | 1.0 Count |
| Warranty Description | 5 years |
Available variants
Color
- 256GB 4K Camera Pro 1-Pack+CR
- 64GB 4K Camera Pro 5-Pack
- 256GB 4K Camera Pro 1-Pack
- 128GB 4K Camera Pro MAX + Type C Card Reader
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