
Lexar Gold 1800x 64GB
Score: 100/100
Patriot Memory EP Series 128GB 5-pack
Score: 100/100Rankings

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.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
64 GB | 128 GBbest | |
280 MB/sbest | 100 MB/s | |
180 MB/sbest | 80 MB/s | |
— | 3 yearsbest | |
| ↓ lower better | 2 g | 0.3 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage & Capacity(2) | ||
Capacity (GB) | 64 GB | 128 GB |
Card Type | SDXC | microSDXC |
Performance(4) | ||
Video Speed Class | V60 | V30 |
Maximum Read Speed (MB/s) | 280 MB/s | 100 MB/s |
Maximum Write Speed (MB/s) | 180 MB/s | 80 MB/s |
Bus Interface | UHS-II | UHS-I |
Compatibility(1) | ||
Compatible Devices | UHS-I devices (up to 104 MB/s) | microSDXC devices; includes full-size SD adapter |
Warranty(1) | ||
Warranty Period (years) | Lifetime years | 3 years |
Physical(1) | ||
Weight (g) | 2 g | 0.3 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.

“Works fine, no issues.”

“card became permanently write-protected after one week, resisting all formatting attempts, forcing disposal.”




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.