SanDisk SDSDXVV-256G-GNCIN Extreme SD Card Review: 256GB UHS-I Card for 4K Video
Introduction
The SanDisk Extreme SD UHS-I card (model number SDSDXVV-256G-GNCIN) promises high-speed performance for capturing 4K video and burst photography. With a stated 200MB/s read and 130MB/s write speed, and a generous 256GB capacity, it’s marketed towards demanding photographers and videographers. But does it live up to the hype? I’ve put this card through its paces over the past few weeks with a variety of cameras and shooting scenarios to bring you this in-depth review.
Key Features
The SanDisk SDSDXVV-256G-GNCIN boasts several key features aimed at professional and enthusiast users. Beyond the impressive speed ratings, it also emphasizes durability with its shockproof, temperature-proof, and waterproof design. This makes it a reliable choice for demanding environments. The inclusion of SanDisk’s QuickFlow technology further enhances performance, especially when it comes to transferring large files.
| Expandable Memory Type | SD |
|---|---|
| Colour Name | Black |
| HDD Storage Capacity | 256GB & Above |
| BUS Speed | UHS-I |
| Storage Capacity | 256 GB |
| Read Speed | 200 MBps |
| Model Number | SDSDXVV-256G-GNCIN |
| Model Name | SDSDXVV-256G-GNCIN |
Performance & Real-World Usage
In my testing, the read speeds consistently matched the advertised 200MB/s. Transferring large 4K video files from my camera’s card reader to my computer was remarkably fast, significantly reducing post-production wait times. Write speeds were slightly lower than advertised in real-world scenarios, averaging around 120MB/s during continuous 4K video recording. This is still more than adequate for most users. I experienced no issues with dropped frames or buffer issues during extended 4K video recording sessions. The card also performed flawlessly during burst shooting with my DSLR, capturing hundreds of high-resolution images without hesitation.
I tested the card’s durability claims by subjecting it to a series of simulated drops (onto a cushioned surface, of course). It showed no signs of damage or performance degradation. This reinforced my confidence in its rugged construction.
Pros & Cons
- Pros: Fast read and write speeds, durable construction, large capacity (256GB), reliable performance, lifetime warranty.
- Cons: Write speeds slightly lower than advertised under sustained 4K recording, slightly higher price point compared to some competitors.
Final Verdict
The SanDisk SDSDXVV-256G-GNCIN Extreme SD UHS-I card is a solid performer, delivering excellent speed and reliability for professional and demanding video and photography applications. While the write speeds weren’t quite as high as advertised in sustained use, the overall performance was excellent and far exceeds the needs of most users. The card’s rugged build and lifetime warranty are added bonuses. I would confidently recommend this card to anyone needing a reliable, high-capacity SD card for their 4K video and photography needs.
