# TLDR Review: SanDisk 256GB Extreme microSDXC Card

*Published: 2025-03-02 | Updated: 2025-03-02 | Source: https://shopsavvy.com/reviews-tldr/sandisk-256gb-extreme-microsdxc-card*

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## Verdict

If you need a durable and fast microSD card for outdoor or high-performance use, the SanDisk 256GB Extreme microSDXC is a solid choice. However, be wary of potential long-term reliability issues and ensure you're purchasing from a reputable retailer to avoid counterfeit problems.

**Top pro:** Functions well in outdoor cameras exposed to cold temperatures, proving its durability.
**Top con:** Reliability may diminish over time, typically within a year or two of use.

## Product: SanDisk 256GB Extreme microSDXC Card
**Brand:** SanDisk
[Compare prices and price history on ShopSavvy](https://shopsavvy.com/products/sandisk-256gb-extreme-microsdxc-card)

## Pros
- Functions well in outdoor cameras exposed to cold temperatures, proving its durability.
- Consistently achieves speeds of 160MB/s WRITE and 90MB/s READ, offering impressive performance.
- Highly durable and reliable, with no failures reported after multiple uses.
- Users recommend buying from trusted retailers like B&H to avoid counterfeit issues.

## Cons
- Reliability may diminish over time, typically within a year or two of use.
- Some security features led to USB drives becoming unexpectedly read-only.
- Experienced failures where micro SDHC cards became undetected without warning.
- Users noted more stable performance in older media products from different brands, raising concerns about current design stability.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Functions well in outdoor cameras exposed to cold temperatures, proving its durability. | Reliability may diminish over time, typically within a year or two of use. |
| Consistently achieves speeds of 160MB/s WRITE and 90MB/s READ, offering impressive performance. | Some security features led to USB drives becoming unexpectedly read-only. |
| Highly durable and reliable, with no failures reported after multiple uses. | Experienced failures where micro SDHC cards became undetected without warning. |
| Users recommend buying from trusted retailers like B&H to avoid counterfeit issues. | Users noted more stable performance in older media products from different brands, raising concerns about current design stability. |

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