SanDisk Ultra 128GB SDXC
Score: 87/100
Silicon Power Elite 64GB 3-pack
Score: 62/100Rankings
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 3-pack of 64 GB microSDXC cards with U1/V10/A1 ratings, 100 MB/s read speed and rugged waterproof, shockproof construction, positioned as a budget-friendly solution for smartphones, tablets and casual Full HD video.
| Attribute | | |
|---|---|---|
128 GBbest | 64 GB | |
100 MB/sbest | 100 MB/sbest | |
63 MB/sbest | 10 MB/s | |
10 yearsbest | 5 years | |
| ↓ lower better | 8 g | 0.3 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(1) | ||
Maximum Write Speed (MB/s) | 63 MB/s | 10 MB/s |
Warranty(1) | ||
Warranty Period (years) | 10 years | 5 years |
Physical(1) | ||
Weight (g) | 8 g | 0.3 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.
“Great value for the price, especially in a 3-pack”
“Fast enough for my phone and tablet”
“Haven't had any issues after months of use”
Professional reviewers note that the Silicon Power Elite delivers competitive read speeds and solid durability for everyday devices, but its modest 10 MB/s write speed and lack of U3/V30 rating keep it out of the high-performance segment.
Everyday users appreciate the affordable multi-pack, reliable read performance and rugged build, often citing durability and value, while many express disappointment with slower write speeds and incompatibility with dash cams or 4K recording.
