# SanDisk Extreme PRO SDXC UHS-I 128GB vs Lexar Professional 1667x SDXC UHS-II 128GB: specs and price compared

A sourced, side-by-side comparison of the SanDisk Extreme PRO SDXC UHS-I 128GB (SanDisk) and Lexar Professional 1667x SDXC UHS-II 128GB (Lexar) among memory cards. SanDisk Extreme PRO SDXC UHS-I 128GB is the cheaper of the two at $72.35.

## Side by side

| Spec | SanDisk Extreme PRO SDXC UHS-I 128GB | Lexar Professional 1667x SDXC UHS-II 128GB |
| --- | --- | --- |
| US price | $72.35 | $94.99 |
| Brand | SanDisk | Lexar |
| Released | 2021 | 2019 |
| Format | sd | sd |
| Capacity (GB) | 128 | 128 |
| Speed class | u3_v30 | v60 |
| Max read (Mbps) | 200 | 250 |
| Max write (Mbps) | 90 | 120 |
| Application class | a2 | — |
| Warranty | limited lifetime | limited lifetime |

## Key differences

- Speed class: SanDisk Extreme PRO SDXC UHS-I 128GB u3_v30 vs Lexar Professional 1667x SDXC UHS-II 128GB v60
- Max read (Mbps): SanDisk Extreme PRO SDXC UHS-I 128GB 200 vs Lexar Professional 1667x SDXC UHS-II 128GB 250
- Max write (Mbps): SanDisk Extreme PRO SDXC UHS-I 128GB 90 vs Lexar Professional 1667x SDXC UHS-II 128GB 120

## What reviewers say

**Lexar Professional 1667x SDXC UHS-II 128GB** — TechRadar (May 2025) is the only whitelisted source with genuine hands-on testing of this exact Lexar Professional 1667x SDXC UHS-II. It measured 254MB/s read and 101MB/s write, praising read consistency, capacities up to 256GB, and the limited lifetime warranty, while flagging the 64GB minimum capacity and 4K as the practical filmmaking ceiling. (1 sourced review.)

## Sources

- SanDisk Extreme PRO SDXC UHS-I 128GB: https://www.target.com/p/sandisk-extreme-pro-128gb-sdxc-uhs-i-v30-class-10-memory-card/-/A-1002299629 (target.com, verified 2026-06-19)
- Lexar Professional 1667x SDXC UHS-II 128GB: https://americas.lexar.com/product/lexar-professional-1667x-sdxc-uhs-ii-card-silver-series/ (americas.lexar.com, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/memory-cards/sandisk-extreme-pro-sdxc-128gb-vs-lexar-professional-1667x-sd-128gb/
Cite: Per The Front Desk Review, SanDisk Extreme PRO SDXC UHS-I 128GB ($72.35) vs Lexar Professional 1667x SDXC UHS-II 128GB ($94.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/memory-cards/sandisk-extreme-pro-sdxc-128gb-vs-lexar-professional-1667x-sd-128gb/
License: CC BY 4.0.