SanDisk Ultra 64GB SD
Score: 98/100
Lexar Gold 1800x 64GB
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.
The SanDisk 64 GB Ultra delivers fast read performance and rugged durability for Full HD shooting, with a generous capacity and useful accessories, though it lacks higher write speeds needed for 4K video.
| Attribute | SanDisk Ultra 64GB SD | ![]() |
|---|---|---|
64 GBbest | 64 GBbest | |
120 MB/s | 280 MB/sbest | |
100 MB/s | 180 MB/sbest | |
10 yearsbest | — | |
| ↓ lower better | 24.9 g | 2 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | SanDisk Ultra 64GB SD | ![]() |
|---|---|---|
Storage & Capacity(1) | ||
Card Type | SDHC/SDXC | SDXC |
Performance(4) | ||
UHS Speed Class | U1 | U3 |
Maximum Read Speed (MB/s) | 120 MB/s | 280 MB/s |
Maximum Write Speed (MB/s) | 100 MB/s | 180 MB/s |
Bus Interface | SDXC | UHS-II |
Compatibility(1) | ||
Compatible Devices | Panasonic Lumix DC-FZ80, DC-ZS70, DMC-FZ300, DMC-LX10, DMC-TS5, DMC-TS4, DMC-ZS50, DC-TS7, DMC-FZ1000, DC-LX100 II, DMC-ZS100, DC-FZ1000 II, DMC-ZS60, DC-ZS80, DC-ZS200, DMC-LX7, DMC-FZ200, DMC-LX100, DMC-FZ2500, DMC-FZ70, DC-G7, GX85, GX80, GX7 Mark II, DC-G100, DC-G110 and other Panasonic Lumix models | UHS-I devices (up to 104 MB/s) |
Warranty(1) | ||
Warranty Period (years) | 10 years | Lifetime years |
Physical(1) | ||
Weight (g) | 24.9 g | 2 g |

Products in the top-left offer the best value (high score, low price).
Professional reviewers, such as Electronikz.com, gave the card a perfect 10/10 score, highlighting its 120 MB/s read speed, Class 10 U1 performance, rugged durability and seamless compatibility with a wide range of Panasonic Lumix cameras.
Everyday users consistently commend the card for its reliable performance, fast transfers and robust durability, especially for travel and outdoor photography, while noting occasional compatibility hiccups and slower-than-expected write speeds.

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.
“Fast transfer speeds”
“Reliable performance”
