Patriot Memory EP Series 128GB 5-pack
Score: 100/100
Gigastone 256GB microSD
Score: 98/100Rankings
Patriot's EP 128 GB microSDXC card delivers U3/V30 and A1 ratings, making it capable of 4K video and app execution while retaining rugged protection and a 3-year warranty. Occasional reliability issues and lack of A2 classification keep it positioned as a budget-friendly, not premium, option.
The Gigastone 256 GB microSDXC offers strong 4K video capability, solid durability and a unique 5-year data-recovery warranty, making it a dependable mid-range choice. Real-world write speeds fall short of the advertised maximum, which may limit high-bit-rate use cases.
| Attribute | | |
|---|---|---|
128 GB | 256 GBbest | |
100 MB/s | 130 MB/sbest | |
80 MB/s | 85 MB/sbest | |
3 years | 5 yearsbest | |
| ↓ lower better | 0.3 gbest | 0.57 g |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage & Capacity(1) | ||
Capacity (GB) | 128 GB | 256 GB |
Performance(5) | ||
UHS Speed Class | U3 | UHS-I |
Maximum Read Speed (MB/s) | 100 MB/s | 130 MB/s |
Maximum Write Speed (MB/s) | 80 MB/s | 85 MB/s |
Speed Class | Class 10 | C10 |
Application Performance Class | A1 | A2 |
Compatibility(1) | ||
Compatible Devices | microSDXC devices; includes full-size SD adapter | GoPro, DJI, Drone, Security Camera, Nintendo Switch, Smartphones, Tablets, PC, Camera, DSLR, Dash Cam, Camcorder, Surveillance, e-Reader, etc. |
Warranty(1) | ||
Warranty Period (years) | 3 years | 5 years |
Physical(1) | ||
Weight (g) | 0.3 g | 0.57 g |
Products in the top-left offer the best value (high score, low price).
Reviewers view the EP 128 GB as a solid budget choice with decent sequential speeds and 4K capability, though they note the absence of A2 performance and endurance rating compared to higher-priced rivals.
Users generally praise the smooth app performance and 4K support, but some report premature failures and permanent write-protection problems.
“Works fine, no issues.”
“card became permanently write-protected after one week, resisting all formatting attempts, forcing disposal.”
“Users report seamless use with Nintendo Switch, with no lag or loading issues”
Professional reviewers praise the reliable 4K capture and durability, noting the free 5-year data recovery as a unique value add while cautioning that real-world speeds can be lower than advertised.
Everyday users appreciate the robust build and long warranty, but many report write speeds that don't match marketing claims and occasional freezing on lower-end cameras.
