
Amazon Basics 256GB Micro SDXC
Score: 85/100
SanDisk Extreme PRO 64GB
Score: 87/100Rankings

The SanDisk 64GB Extreme PRO UHS-I card provides high read/write speeds and rugged durability for 4K video and fast burst photography, backed by a lifetime warranty and RescuePRO software. While its UHS-I interface limits ultimate throughput compared to UHS-II cards, it remains a cost-effective choice for most photographers and videographers.

The Amazon Basics 256 GB microSDXC offers solid 100 MB/s read performance, A2 app class, and a full-size adapter in a rugged, waterproof package, making it a budget-friendly choice for 4K video and mobile storage. Its durability features and broad device compatibility add to its appeal, though write speeds are modest and warranty coverage is limited.
| Attribute | ![]() | ![]() |
|---|---|---|
256 GBbest | 64 GB | |
100 MB/s | 200 MB/sbest | |
90 MB/sbest | 90 MB/sbest | |
| ↓ lower better | 0.9 gbest | 2 g |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage & Capacity(2) | ||
Capacity (GB) | 256 GB | 64 GB |
Card Type | microSDXC | SDXC |
Performance(1) | ||
Maximum Read Speed (MB/s) | 100 MB/s | 200 MB/s |
Physical(1) | ||
Weight (g) | 0.9 g | 2 g |

Products in the top-left offer the best value (high score, low price).

Professional reviewers from Manuals+.net, BensBargains and ImproveTheWorld.net praise the card for its high-speed transfer rates, reliable 4K video support and A2 app performance, noting it as a great deal and a top-selling Amazon Choice.
Everyday users consistently commend the card for delivering the advertised capacity, fast and dependable performance in cameras and drones, and exceptional price per gigabyte.

“True 128GB capacity”

“Fast and reliable”

“Great for cameras”




Professional reviewers praise the Extreme PRO for its reliable, high-speed performance in both burst photography and 4K video, noting low error rates and excellent durability. They acknowledge that while it is the top UHS-I option, its UHS-I interface cannot match the throughput of UHS-II cards, making it less suitable for cameras that support faster interfaces or for 8K workflows.
Everyday users consistently highlight the card's fast transfer times, rugged build, and dependable 4K video capture, especially on trips. Common complaints revolve around advertised versus actual read speeds, confusion over older model numbers, and occasional compatibility hiccups with legacy devices.