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KOOTION Micro SD Card Review: Is it Fast Enough for Action Cameras?

KOOTION 64GB Micro SD Card, UHD Video for GoPro, Action Camera, Drone, Smartphone, R/W up to 80/20MB/s MicroSDXC Memory Card UHS-I U1 Class 10
4.7
[Large 64GB Capacity]  Holds ~57,000 3MP photos, 160 4K movies, or 8,000 songs.
[Fast Transfer Speeds]  UHS-I (U1) Class 10 delivers up to 75MB/s read and 20MB/s write.
[Broad Device Compatibility]  Works with smartphones, tablets, cameras, game consoles, dashcams, drones, and surveillance systems.
[Rugged & Reliable]  Water-resistant, anti-magnetic, shockproof and temperature-resistant for secure data storage.
[Formatting & Capacity Note]  Preformatted as FAT32 (32GB) or exFAT (≥64GB); usable capacity is slightly lower after formatting.
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MicroSD storage designed to add reliable capacity for cameras, drones and smartphones, offering steady transfers and dependable file storage. KOOTION Micro SD Card gives casual shooters the confidence to keep shooting without hunting for free space. Is the 64GB capacity and UHS-I speed up to the task for 4K action footage?

⚡ At a Glance
  • Transfer Speed: Read up to 75 MB/s and write up to 20 MB/s, performance may vary by host device
  • Best for: Smartphones, action cameras, drones and dash cams needing extra 64GB storage
  • Not ideal for: Professional users who require sustained very high write speeds for continuous high-bitrate capture

64GB capacity with UHS-I (U1) and Class 10 rating. Read speed quoted at 75 MB/s, write speed at 20 MB/s.


Keep More Photos and Clips – With 64GB capacity

64 GB MicroSDXC capacity stores large numbers of media files by offering expanded flash memory compared with lower-capacity cards. Manufacturer examples claim almost 57,954 3MP photos, about 160 movies at 400MB each and thousands of songs.

Large capacity removes frequent file juggling, letting photographers and travellers store many shots and playlists without swapping cards.

Quicker Transfers for Day-to-Day Use – Thanks to UHS-I (U1) and 75 MB/s read speed

UHS-I (U1) and Class 10 classification support moderate-speed transfers, with quoted read speed up to 75 MB/s and write speed up to 20 MB/s. Actual throughput will depend on the host device, interface and usage conditions.

Fast read speed speeds up offloading and browsing files, while the write speed suits typical Full HD and many 4K capture scenarios for casual users.

Durable Storage for Outdoor Shoots – With water-, magnet- and shock-resistance

Built using a high-quality flash controller and protective casing that the manufacturer describes as water-resistant, anti-magnetic, shockproof and tolerant of high and low temperatures.

Rugged construction protects footage and photos during travel and outdoor use, reducing the chance of data loss from everyday knocks and weather exposure.

✨ The 4 Key Reasons for KOOTION Micro SD Card
  1. 64GB Capacity - Stores almost 57,954 3MP photos and thousands of songs
  2. Broad Device Compatibility - Works with smartphones, cameras, drones and dash cams
  3. Rugged Construction - Water, magnet, shock and temperature resistant for outdoor use
  4. Preformatted exFAT - Ready to use in most devices without reformatting required
📋 Technical Details at a Glance
  • Category: MicroSDXC memory card
  • Capacity: 64 GB
  • Card Type: microSDXC UHS-I (U1), Class 10
  • Read Speed: Up to 75 MB/s
  • Write Speed: Up to 20 MB/s
❓ Frequently Asked Questions

Q: Can the card handle 4K video recording?

A: The card meets UHS-I (U1) and Class 10 standards and is described as suitable for 4K Full HD clips, with a quoted write speed of 20 MB/s; however, performance depends on the camera and recording bitrate.

Q: Is the card ready to use out of the box?

A: 64 GB and larger cards are formatted as exFAT by default, and user feedback notes the card arrives preformatted and ready to use without immediate reformatting.

Q: Is the card durable enough for outdoor use?

A: Water-resistant, anti-magnetic, shockproof and designed to tolerate high and low temperatures, so it is suitable for travel and outdoor shooting conditions.

🏆 Our Verdict

Suitable for casual photographers, travellers and drone users who need dependable extra storage and ruggedness. Large 64GB capacity combined with UHS-I read speeds and physical durability makes the card a practical choice for everyday 4K Full HD and photo storage. Offers solid long-term value for non-professional use thanks to wide compatibility and robust construction.