# SanDisk Extreme PRO SDXC UHS-I 128GB vs Delkin BLACK UHS-II SDXC V90 128GB: specs and price compared

A sourced, side-by-side comparison of the SanDisk Extreme PRO SDXC UHS-I 128GB (SanDisk) and Delkin BLACK UHS-II SDXC V90 128GB (Delkin Devices) 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 | Delkin BLACK UHS-II SDXC V90 128GB |
| --- | --- | --- |
| US price | $72.35 | $149.99 |
| Brand | SanDisk | Delkin Devices |
| Released | 2021 | 2021 |
| Format | sd | sd |
| Capacity (GB) | 128 | 128 |
| Speed class | u3_v30 | v90 |
| Max read (Mbps) | 200 | 300 |
| Max write (Mbps) | 90 | 250 |
| Application class | a2 | — |
| Warranty | limited lifetime | limited lifetime |

## Key differences

- Speed class: SanDisk Extreme PRO SDXC UHS-I 128GB u3_v30 vs Delkin BLACK UHS-II SDXC V90 128GB v90
- Max read (Mbps): SanDisk Extreme PRO SDXC UHS-I 128GB 200 vs Delkin BLACK UHS-II SDXC V90 128GB 300
- Max write (Mbps): SanDisk Extreme PRO SDXC UHS-I 128GB 90 vs Delkin BLACK UHS-II SDXC V90 128GB 250

## 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)
- Delkin BLACK UHS-II SDXC V90 128GB: https://www.bhphotovideo.com/c/product/1773359-REG/delkin_devices_dsdbv90128bx_128gb_black_uhs_ii_sdxc.html (bhphotovideo.com, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/memory-cards/sandisk-extreme-pro-sdxc-128gb-vs-delkin-black-sd-128gb/
Cite: Per The Front Desk Review, SanDisk Extreme PRO SDXC UHS-I 128GB ($72.35) vs Delkin BLACK UHS-II SDXC V90 128GB ($149.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/memory-cards/sandisk-extreme-pro-sdxc-128gb-vs-delkin-black-sd-128gb/
License: CC BY 4.0.