# TLDR Review: SanDisk 256GB Extreme PRO USB 3.2 Flash Drive - 420MB/s, Aluminum Casing, Black

*Published: 2025-01-30 | Updated: 2025-01-17 | Source: https://shopsavvy.com/reviews-tldr/sandisk-256gb-extreme-pro-usb-3.2-flash-drive-420mbs-aluminum-casing-black*

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## Verdict

While the SanDisk 256GB Extreme PRO USB 3.2 Solid State Flash Drive offers impressive initial performance, potential buyers should be aware of possible long-term write speed issues.

**Top pro:** High initial performance with fast read speeds
**Top con:** Write speed degradation observed over time

## Product: SanDisk 256GB Extreme PRO USB 3.2 Flash Drive - 420MB/s, Aluminum Casing, Black
**Brand:** SanDisk
[Compare prices and price history on ShopSavvy](https://shopsavvy.com/products/sandisk-256gb-extreme-pro-usb-3.2-flash-drive-420mbs-aluminum-casing-black)

## Pros
- High initial performance with fast read speeds
- 256GB storage capacity offers ample space for various files

## Cons
- Write speed degradation observed over time
- Potential issues with fragmentation or controller affecting performance

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| High initial performance with fast read speeds | Write speed degradation observed over time |
| 256GB storage capacity offers ample space for various files | Potential issues with fragmentation or controller affecting performance |

## Last Seen Prices

*Each price is the last one ShopSavvy observed, on 2025-01-17; it may have changed since.*

| Retailer | Price | Availability | Last seen |
|----------|-------|-------------|-----------|
| [Amazon](https://shopsavvy.com/api/redirect/products/6C8vD2RrrCncN3Vtp2Gg/offers/rYmL4c4JvXnfzHVxwLee?source=shopsavvy&medium=article-review-tldr) | $43.59  | In Stock | 2025-01-17 (may have changed) |

[See every retailer and the full price history on ShopSavvy](https://shopsavvy.com/products/sandisk-256gb-extreme-pro-usb-3.2-flash-drive-420mbs-aluminum-casing-black)

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