
SanDisk Ultra 128GB SDXC
Score: 87/100
Kingston Canvas Select Plus 64GB
Score: 61/100Rankings

The SanDisk Ultra 128 GB SDXC card offers fast read performance, A1 app capability, and a robust, water- and shock-resistant design, backed by a 10-year warranty. Its U1/V10 rating and modest write speeds keep it in the budget tier, making it unsuitable for 4K or high-bitrate video work.

The Kingston Canvas Select Plus 64 GB microSDXC offers solid Full HD performance, strong durability and a lifetime warranty at a budget-friendly price, but it lacks the speed class needed for 4K video and higher write-speed demands.
| Attribute | ![]() | ![]() |
|---|---|---|
128 GBbest | 64 GB | |
100 MB/sbest | 100 MB/sbest | |
63 MB/s | 85 MB/sbest | |
10 yearsbest | — | |
| ↓ lower better | 8 g | 2.8 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage & Capacity(2) | ||
Capacity (GB) | 128 GB | 64 GB |
Card Type | SDXC | microSDXC |
Performance(2) | ||
Maximum Write Speed (MB/s) | 63 MB/s | 85 MB/s |
Speed Class | C10 | Class 10 |
Compatibility(1) | ||
Compatible Devices | Broad device compatibility via SD adapter | Android smartphones, tablets, Nintendo Switch, GoPro, cameras (Full HD) |
Physical(1) | ||
Weight (g) | 8 g | 2.8 g |

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

Professional reviewers praise the Ultra 128 GB for its reliable read performance, solid random I/O that exceeds the A1 specification, and overall value, but caution that its U1/V10 write class makes it unsuitable for 4K or high-bitrate video work.
Everyday users consistently highlight fast photo transfers, smooth app performance on Android devices, and the sturdy SD adapter, while noting slower write speeds, occasional incompatibility with dashcams or drones, and rare corruption when the card is not ejected properly.

“Works great with Nintendo Switch”

“Perfect for GoPro and cameras”

“Fast enough for phone use”




Professional reviewers describe the Canvas Select Plus as a solid entry-level microSD card that delivers reliable Full HD performance, strong durability, and good value, while noting its lack of 4K support and lower write speeds compared to premium offerings.
Everyday users praise the card for its durability, smooth operation in Android devices and Nintendo Switch, and excellent price-to-performance ratio, but they frequently mention slower write speeds and occasional issues when attempting 4K video.