
Lexar Professional 1667x 128GB
Score: 73/100
ProGrade Digital SD V60 512GB
Score: 41/100Rankings

The Lexar 128 GB Professional 1667x UHS-II SDXC card (2-pack) provides high read speeds and a V60 video rating, making it suitable for 4K video and fast RAW bursts. Its dual-card configuration, write-protect switch, and lifetime warranty add value, though write speeds lag behind top-tier competitors.

The ProGrade Digital 512 GB UHS-II SDXC V60 card offers solid read/write performance and robust durability for 4K video and fast burst photography, but its speed is modest compared to higher-end UHS-II cards and it requires a compatible host.
| Attribute | ![]() | ![]() |
|---|---|---|
128 GB | 512 GBbest | |
250 MB/sbest | 250 MB/sbest | |
120 MB/s | 130 MB/sbest | |
| ↓ lower better | 2 gbest | 9 g |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage & Capacity(1) | ||
Capacity (GB) | 128 GB | 512 GB |
Performance(1) | ||
Maximum Write Speed (MB/s) | 120 MB/s | 130 MB/s |
Compatibility(1) | ||
Compatible Devices | UHS-I and non-UHS devices | UHS-I; U3; U1; Class 10 devices |
Physical(1) | ||
Weight (g) | 2.0 g | 9 g |

Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the Lexar 1667x series for its solid UHS-II performance, V60 rating, and extensive testing across more than 1,100 devices, highlighting its reliability in demanding DSLR and cinema camera workflows. They also note the added confidence of a limited lifetime warranty, though they acknowledge that write speeds, while good, lag behind some premium competitors.
Everyday users consistently rate the cards highly (4.5-4.9/5), lauding the fast transfer speeds, dependable 4K video capture, and the convenience of the write-protect switch and recovery software. Common complaints focus on occasional slower real-world write speeds, incompatibility with older readers, and the absence of a bundled card reader or case.

“dramatically accelerates workflow from start to finish”

“no dropped frames”

“The card maintains performance over hundreds of write cycles”




Professional reviewers from B&H, Filmtools, ProPhoto Supply, and Roberts Camera praise the card for its reliable V60 performance, fast read/write rates, and rugged build, noting it excels in demanding video and burst-photo workflows.
Everyday users report smooth 4K recording with no dropped frames, rapid file transfers, and dependable operation in extreme temperatures, while noting occasional confusion with the microSD version and occasional corruption that can be fixed with Refresh Pro.