SanDisk Ultra 128GB SDXC
Score: 87/100
SanDisk Ultra 32GB microSDHC 2-Pack
Score: 63/100Rankings
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 SanDisk Ultra 32 GB microSDHC pack provides two high-speed cards with excellent 120 MB/s read performance, A1 app capability, and rugged durability, ideal for Android devices and Full HD video. Lack of a V30/U3 rating and unspecified write speeds keep it out of the 4K-video segment.
| Attribute | | |
|---|---|---|
128 GBbest | 32 GB | |
100 MB/s | 120 MB/sbest | |
63 MB/sbest | 10 MB/s | |
10 yearsbest | 10 yearsbest | |
| ↓ lower better | 8 g | 4.5 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage & Capacity(2) | ||
Capacity (GB) | 128 GB | 32 GB |
Card Type | SDXC | microSDHC |
Performance(3) | ||
Maximum Read Speed (MB/s) | 100 MB/s | 120 MB/s |
Maximum Write Speed (MB/s) | 63 MB/s | 10 MB/s |
Speed Class | C10 | Class 10 |
Compatibility(1) | ||
Compatible Devices | Broad device compatibility via SD adapter | Full HD (1080p) video devices, Android phones/tablets, GPS/navigation devices, Chromebooks |
Physical(1) | ||
Weight (g) | 8 g | 4.5 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.
Professional reviewers commend the Ultra line for its high read speed, A1 app performance, and rugged build, positioning it as a top choice for everyday mobile storage and Full HD video while noting the lack of V30/U3 makes it unsuitable for sustained 4K recording.
Everyday users rate the pack highly, praising fast transfers, durability in outdoor gear, and the convenience of two cards, while common complaints focus on slower write performance during long video captures, the tiny form factor, and occasional counterfeit concerns.
