SanDisk Extreme PRO 128GB
Score: 85/100
ProGrade Digital Iridium 128GB
Score: 40/100Rankings
The SanDisk 128 GB Extreme PRO SDXC UHS-II card offers ultra-fast 300 MB/s read/write performance, V90 video capability, and rugged IP68 durability, making it ideal for demanding 6K/8K video and high-speed burst photography. Compatibility is broad, though some users report issues with specific Canon models and older readers.
The ProGrade Digital Iridium 128 GB UHS-II V90 SDXC card offers professional-grade speed and durability for high-resolution video and RAW photography, though its premium price and UHS-II dependency limit some users.
| Attribute | | |
|---|---|---|
128 GBbest | 128 GBbest | |
300 MB/sbest | 300 MB/sbest | |
300 MB/sbest | 200 MB/s | |
30 yearsbest | 3 years | |
| ↓ lower better | 1.67 gbest | 18 g |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(1) | ||
Maximum Write Speed (MB/s) | 300 MB/s | 200 MB/s |
Compatibility(1) | ||
Compatible Devices | Devices supporting SDXC UHS‑II | Canon, Sony, Nikon, Olympus, Panasonic, Fuji, Samsung |
Warranty(1) | ||
Warranty Period (years) | 30 years | 3 years |
Physical(1) | ||
Weight (g) | 1.67 g | 18 g |
Products in the top-left offer the best value (high score, low price).
Professional reviewers consistently rate the card as a top-tier choice for demanding video and burst-mode photography, praising its ability to handle 6K/8K footage, its rugged IP68 construction, and its high read/write speeds, while cautioning buyers to verify the exact model (V60 vs V90) and to use UHS-II-compatible hardware to unlock its full potential.
Everyday users love the card's reliability and speed, noting years of trouble-free use and rapid offloads, but many express frustration over occasional Canon R5 Mark II video glitches, speed drops on older readers, and confusion over V60 versus V90 labeling.
“Multiple users report using SanDisk cards for years without failure.”
“Users appreciate fast offloads - e.g., 1000 photos (24 MP) transferred in under 4 minutes.”
“V90 rating gives me peace of mind for 6K shoots.”
Professional reviewers praise the Iridium for its V90 certification, rigorous testing and added value of firmware tools, while noting the premium price and the need for UHS-II hosts to unlock full performance.
Everyday users appreciate the rock-solid performance in 4K/5K recording and the confidence provided by the laser-etched serial number, but note limited UHS-II support in older gear.
