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#15 Best Seller in Phone Accessories
$19.91
★★★★☆ 4.7/5 (143,534 ratings)
Our Take
After examining 143,534 customer ratings averaging 4.7 stars, I’m impressed by this Amazon Basics 128GB micro SD card’s performance-to-price ratio at $19.91. What stands out most is the 100 MB/s read speed and 60 MB/s write capability, making it genuinely useful for 4K video recording and rapid file transfers.
I like that it includes both U3 and A2 speed classifications, which means it won’t bottleneck when shooting high-resolution content or running apps directly from the card. The durability specs are solid too – IPX6 waterproofing and temperature resistance from -10° to 80°C should handle most real-world scenarios.
With 83% of buyers giving five stars, the value proposition is clearly hitting the mark. The included full-size adapter makes it versatile across devices, though I should mention it’s not compatible with Nintendo Switch 2 if that’s your intended use.
The main downside I’ve noticed is that some users report slightly inconsistent write speeds depending on the device, which isn’t uncommon for budget-friendly cards. At this price point though, you’re getting reliable storage that performs well above its cost class. For most users needing dependable extra storage, this card delivers without breaking the bank.
About This Product
Product Description An Amazon Brand. From the Manufacturer Amazon Basics
Key Features
- Compatible with smartphones, tablets, cameras, GoPro/action cameras, laptops, computers, DSLRs, drones, game consoles and more.This Micro SD card is not compatible with Nintendo Switch 2
- HIGH QUALITY STORAGE: Perfect for high resolution photos, for recording and storing Full HD/4K videos and any other data type
- ULTRA FAST: Read speed up to 100MB/s. Write speed up to 60MB/s (varies according to memory size). UHS, U3, Class 10 and A2 speed classes for an optimal smartphone experience
- LASTING RELIABILITY: Shockproof, IPX6 waterproof, temperature-proof (-10° to 80°), X-Ray-proof and magnetic-proof
- Note: Actual storage capacity shown by a device’s OS may be less than the capacity indicated on the product label due to different measurement standards. The available storage capacity is higher than 116GB.
- Read and write speeds are based on internal tests conducted under controlled conditions. Actual speeds may vary depending on device used, interface, conditions of use, and other factors
Rating Breakdown
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Last updated: February 23, 2026
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