Western Digital Purple 256GB
Score: 50/100
Gigastone 256GB microSD
Score: 98/100Rankings
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.
The WD Purple SC QD101 256 GB microSDXC is an industrial-grade card built for 24/7 surveillance with high endurance and built-in health monitoring. It tolerates extreme temperatures and harsh environments but offers modest read/write speeds compared with newer U3 cards.
| Attribute | | |
|---|---|---|
256 GBbest | 256 GBbest | |
24 MB/s | 130 MB/sbest | |
24 MB/s | 85 MB/sbest | |
3 years | 5 yearsbest | |
| ↓ lower better | 5.67 g | 0.57 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(4) | ||
UHS Speed Class | U1 | UHS-I |
Maximum Read Speed (MB/s) | 24 MB/s | 130 MB/s |
Maximum Write Speed (MB/s) | 24 MB/s | 85 MB/s |
Speed Class | Class 10 | C10 |
Compatibility(1) | ||
Compatible Devices | Surveillance cameras with microSD slots; supports card health monitoring in compatible devices | 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) | 5.67 g | 0.57 g |
Products in the top-left offer the best value (high score, low price).
Professional reviewers highlight the WD Purple SC QD101 as a purpose-built, durable solution for surveillance systems, emphasizing its endurance, health monitoring, and suitability for AI-enabled edge cameras. They note its slower write speed relative to premium U3 cards but value reliability for constant-write workloads.
Everyday users consistently praise the card's reliability and durability in harsh environments, noting that it rarely fails even after months of nonstop recording. Complaints focus on the slower write speed and occasional incompatibility of the health-monitoring feature with certain camera brands, as well as its higher cost versus standard consumer cards.
“Users report seamless use with Nintendo Switch, with no lag or loading issues”
“One reviewer noted a discrepancy between advertised and actual specs-listing claimed 150/140 MB/s, but card was labeled 100/90 MB/s”
“Some users report lower-than-advertised write speeds (e.g., 58 MB/s in testing)”
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.
