Lexar Gold 1800x 64GB
Score: 100/100
Gigastone 256GB microSD
Score: 98/100Rankings
The Lexar Professional 1800x 64 GB SDXC UHS-II card delivers top-tier read/write speeds and V60 video performance for 4K workflows, packaged in a rugged, weather-proof design with a lifetime warranty.
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 | | |
|---|---|---|
64 GB | 256 GBbest | |
280 MB/sbest | 130 MB/s | |
180 MB/sbest | 85 MB/s | |
— | 5 yearsbest | |
| ↓ lower better | 2 g | 0.57 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage & Capacity(2) | ||
Capacity (GB) | 64 GB | 256 GB |
Card Type | SDXC | microSDXC |
Performance(6) | ||
UHS Speed Class | U3 | UHS-I |
Video Speed Class | V60 | V30 |
Maximum Read Speed (MB/s) | 280 MB/s | 130 MB/s |
Maximum Write Speed (MB/s) | 180 MB/s | 85 MB/s |
Bus Interface | UHS-II | UHS-I |
Speed Class | Class 10 | C10 |
Compatibility(1) | ||
Compatible Devices | UHS-I devices (up to 104 MB/s) | GoPro, DJI, Drone, Security Camera, Nintendo Switch, Smartphones, Tablets, PC, Camera, DSLR, Dash Cam, Camcorder, Surveillance, e-Reader, etc. |
Warranty(1) | ||
Warranty Period (years) | Lifetime years | 5 years |
Physical(1) | ||
Weight (g) | 2 g | 0.57 g |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the Lexar 1800x for its pro-level reliability, fast 280 MB/s read speed and V60 rating, while noting performance hinges on UHS-II-compatible cameras and the lack of a V90 rating for 8K.
Everyday users praise the card for flawless 4K video capture, robust build quality and excellent value, though some note occasional lower write speeds on older devices.
“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.
