128GB Micro SD Card with USB C Reader - Fast 4K Storage

In this review the Gigastone 128GB Micro SD Card with USB 3.2 Type C card reader is judged as a practical, no-nonsense storage upgrade for people who shoot 4K video or need a large, fast card for mobile apps and gaming. The single biggest reason to buy is consistent sustained performance for UHD 4K recording and faster app load times on phones thanks to the A2 and V30 grades, making it useful for cameras, drones, and phones that need both capacity and speed.

Key Features

• Read/Write Speed: Read speeds up to 120 MB/s and write speeds up to 80 MB/s provide the bandwidth needed for continuous 4K recording and quick file transfers.
• UHD 4K Ready: The V30 speed grade ensures reliable Ultra HD 4K video capture on action cameras, drones, and camcorders without dropped frames.
• A2 App Performance: A2 rating boosts app loading and responsiveness when running apps from the card on compatible smartphones and tablets.
• Wide Compatibility: Works as storage expansion for laptops, tablets, smartphones, cameras, drones, dash cams and gaming devices like Nintendo Switch, simplifying media management across gear.
• Included USB C Reader: The USB 3.2 Type C card reader speeds up transfers to modern laptops and phones that accept USB C, reducing time spent waiting for large files to copy.
• 5-Year Support: The card includes a five-year limited warranty with free data recovery for qualifying series, offering extra peace of mind for important footage and files.

Who It's For

This card is aimed at photographers, action camera users, drone pilots and mobile gamers who need dependable 4K recording or want to run apps from removable storage; the A2 and V30 grades make it a solid pick for those use cases. It also fits motorists using dash cams and anyone consolidating photos and videos from multiple devices into a single, high-capacity card.

Users with older tablets or devices that have known compatibility quirks should test the card before relying on it for critical recording, since some customers reported recognition issues on certain tablets. If you need professional highest-end sustained write for multi-camera rigs, consider dedicated high-end V60/V90 cards instead.

Pros & Cons

Pros

• Good balance of read/write speed for 4K capture and fast transfers with the USB C reader.
• App-level performance from A2 makes it helpful for expanding phone storage and running apps.
• Large 128GB capacity is good value for storing many photos, videos, and games.
• Five-year limited warranty with free data recovery adds reassurance for important files.

Cons

• Some customers experienced compatibility issues with certain tablets, so device testing is advised before critical use.
• Not the top-tier sustained write option for professional multi-camera setups that demand V60/V90 grades.

Specifications

Capacity	128GB
Read/Write Speed	Up to 120/80 MB/s
Speed Class	V30, UHS-I, U3, A2
Video Performance	Ultra HD 4K capable
Included Accessory	USB 3.2 Type C card reader
Warranty	5-year limited warranty with free data recovery

Our Verdict

The Gigastone 128GB Micro SD Card with USB C reader is a versatile, cost-effective choice for hobbyists and prosumer users who record 4K video, expand phone storage, or play large games. Its fast read/write speeds, A2 app performance and included USB C reader deliver tangible day-to-day benefits, while the five-year support with data recovery makes it good value for those storing important footage.

Frequently Asked Questions

Will this card handle 4K video recording?
Yes, the V30 and U3 ratings with up to 80 MB/s write speed make it suitable for most UHD 4K recording workflows.

Can I run apps from this card on my phone?
Yes, the A2 rating enables faster app loading and you can run apps from the card on compatible Android phones and tablets that support adoptable storage.

Does it work with modern laptops?
Yes, the included USB 3.2 Type C card reader makes transferring files to modern laptops and phones with USB C fast and convenient.