# SanDisk Extreme PRO SDXC UHS-I 128GB vs Samsung PRO Plus Full-Size SD 256GB (2023): specs and price compared

A sourced, side-by-side comparison of the SanDisk Extreme PRO SDXC UHS-I 128GB (SanDisk) and Samsung PRO Plus Full-Size SD 256GB (2023) (Samsung) among memory cards. Samsung PRO Plus Full-Size SD 256GB (2023) is the cheaper of the two at $31.99.

## Side by side

| Spec | SanDisk Extreme PRO SDXC UHS-I 128GB | Samsung PRO Plus Full-Size SD 256GB (2023) |
| --- | --- | --- |
| US price | $72.35 | $31.99 |
| Brand | SanDisk | Samsung |
| Released | 2021 | 2023 |
| Format | sd | sd |
| Capacity (GB) | 128 | 256 |
| Speed class | u3_v30 | u3_v30 |
| Max read (Mbps) | 200 | 180 |
| Max write (Mbps) | 90 | 130 |
| Application class | a2 | a2 |
| Warranty | limited lifetime | 10 years limited |

## Key differences

- Capacity (GB): SanDisk Extreme PRO SDXC UHS-I 128GB 128 vs Samsung PRO Plus Full-Size SD 256GB (2023) 256
- Max read (Mbps): SanDisk Extreme PRO SDXC UHS-I 128GB 200 vs Samsung PRO Plus Full-Size SD 256GB (2023) 180
- Max write (Mbps): SanDisk Extreme PRO SDXC UHS-I 128GB 90 vs Samsung PRO Plus Full-Size SD 256GB (2023) 130
- Warranty: SanDisk Extreme PRO SDXC UHS-I 128GB limited lifetime vs Samsung PRO Plus Full-Size SD 256GB (2023) 10 years limited

## What reviewers say

**Samsung PRO Plus Full-Size SD 256GB (2023)** — Only one whitelisted tester (StorageReview) benchmarked this exact 2023 full-size 256GB model; no Tom's Hardware, TechRadar, or PCMag lab review exists. StorageReview rates it a strong value: solid real-world speeds and standout random 4K IOPS, though sequential reads (158.7 MB/s) fall notably short of Samsung's 180 MB/s claim. (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)
- Samsung PRO Plus Full-Size SD 256GB (2023): https://www.samsung.com/us/computing/memory-storage/memory-cards/pro-plus-full-size-sdxc-card-256gb-mb-sd256s-am (samsung.com, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/memory-cards/sandisk-extreme-pro-sdxc-128gb-vs-samsung-pro-plus-sd-256gb-2023/
Cite: Per The Front Desk Review, SanDisk Extreme PRO SDXC UHS-I 128GB ($72.35) vs Samsung PRO Plus Full-Size SD 256GB (2023) ($31.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/memory-cards/sandisk-extreme-pro-sdxc-128gb-vs-samsung-pro-plus-sd-256gb-2023/
License: CC BY 4.0.