SanDisk Ultra 128GB SDXC
Score: 87/100
Silicon Power Elite 64GB 2-pack
Score: 59/100Rankings
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.
A budget-friendly 2-pack of 64 GB microSDXC cards offering U1/V10 ratings, 100 MB/s read speed and rugged durability, ideal for Full HD video and everyday storage.
| Attribute | | |
|---|---|---|
128 GBbest | 64 GB | |
100 MB/sbest | 100 MB/sbest | |
63 MB/s | 80 MB/sbest | |
10 yearsbest | 5 years | |
| ↓ lower better | 8 g | 0.6 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 | 80 MB/s |
Speed Class | C10 | Class 10 |
Compatibility(1) | ||
Compatible Devices | Broad device compatibility via SD adapter | Nintendo Switch, Wyze Cam, smartphones, tablets, action cameras, drones |
Warranty(1) | ||
Warranty Period (years) | 10 years | 5 years |
Physical(1) | ||
Weight (g) | 8 g | 0.6 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.
“Perfect for my Wyze security cameras-runs 24/7 without issues.”
“Great value buying three cards together.”
“Holds up well in my dash cam through summer heat and winter cold.”
Professional reviewers note the Elite series delivers reliable performance and robust environmental resistance at a budget price, but they point out its limited write speed and lack of 4K support as drawbacks for power users.
Everyday users praise the card for its value, durability and adequate speed for security cameras, dash cams and handheld gaming, while common complaints focus on the single adapter, modest write speeds and occasional failures after extended use.
