Sandisk Extreme 512GB V30 SD UHS-1 Card

The SanDisk Extreme 512GB V30 SD UHS-I Card is a high-performance SDXC memory card designed for creators who need generous storage capacity, fast transfer speeds, and dependable recording performance in the field. With a large 512GB capacity, this card is well suited for photographers capturing thousands of high-resolution stills, as well as videographers recording Full HD and 4K UHD footage without constantly swapping media.

Built around the UHS-I interface, this SanDisk Extreme card delivers up to 190MB/s read speeds and up to 130MB/s write speeds, helping speed up file transfers and maintain responsive performance during continuous shooting. Its V30, U3, and Class 10 ratings indicate that it is capable of sustaining the performance needed for modern photo and video workflows, especially in cameras that support SDXC UHS-I media.

Compatible With

• SDXC-compatible DSLR cameras
• SDXC-compatible mirrorless cameras
• SDXC-compatible camcorders
• SDXC-compatible point-and-shoot cameras
• SDXC-compatible card readers and devices with full-size SD card slots

High-Capacity Storage for Long Shoots

With 512GB of storage space, this card is a strong choice for extended sessions, travel photography, event coverage, wildlife work, and long-form video capture. The large capacity helps reduce interruptions by letting you keep shooting longer before needing to change cards. It is especially useful for high-resolution JPEG and RAW workflows, hybrid shooters capturing both stills and video, and creators working on location without immediate access to backup drives.

Fast Read and Write Performance

SanDisk rates this card for up to 190MB/s read speed and up to 130MB/s write speed. Faster read performance means less waiting when transferring files to a computer or compatible reader, while strong write performance helps the card keep up with burst photography and demanding video capture. For users who regularly move large batches of images or video clips, this can make post-production workflows more efficient.

V30 Video Performance for 4K UHD

The V30 video speed class means this card is designed to support a minimum sustained write speed of 30MB/s, which is important for stable video recording. Combined with U3 and Class 10 ratings, it is well suited for Full HD and 4K UHD recording in compatible cameras. This makes it a practical choice for content creators, wedding shooters, documentary filmmakers, and enthusiasts looking for reliable media for high-resolution video projects.

Built for Travel and Field Use

Like other cards in the SanDisk Extreme family, this model is designed with durability in mind. It is made to withstand challenging conditions often encountered during travel and outdoor production, including water exposure, shock, X-rays, and temperature extremes. Whether you are photographing landscapes, working on the road, or carrying cards through airports and changing weather conditions, this durability adds peace of mind.

Who It Is Best For

This memory card is a smart fit for photographers and videographers who want a balance of capacity, speed, and reliability without moving to more specialized media formats. It is especially attractive for users of cameras with full-size SD card slots who need dependable everyday performance for still photography, burst shooting, and 4K capture. It also suits creators who prefer to carry fewer high-capacity cards instead of managing multiple smaller cards in the field.

How It Compares

Compared with standard SD cards, the SanDisk Extreme line offers meaningfully faster speeds and stronger video-oriented performance ratings, making it better suited to modern cameras and higher-bitrate recording. Compared with SanDisk Extreme PRO SD cards, this model typically emphasizes strong real-world performance and value, while Extreme PRO variants may target users seeking even higher peak specifications. For many enthusiasts and working creators, the SanDisk Extreme 512GB V30 SD UHS-I Card hits an appealing sweet spot between speed, capacity, and cost efficiency.

Usage Tips

For best results, use this card in devices that explicitly support SDXC media and UHS-I performance. Formatting the card in-camera before an important shoot can help maintain stable operation. If you want to maximize offload speed, pair it with a compatible high-speed UHS-I SD card reader. It is also wise to rotate backups regularly and avoid filling any memory card completely during critical assignments.

Recommended Accessories

Useful accessories for this card include a high-speed UHS-I SD card reader for fast transfers, a protective memory card case for travel, a portable SSD for field backups, and a camera bag or organizer with dedicated media storage. Creators working professionally may also want multiple labeled card cases and a redundant backup workflow for added security on important shoots.

SanDisk Extreme Series Background

SanDisk has long been one of the most recognized names in flash storage for imaging and video applications. The Extreme series has become popular among photographers and videographers for offering dependable performance, durable construction, and practical speed ratings suited to enthusiast and professional workflows alike. This 512GB SDXC UHS-I model continues that tradition by combining large capacity with strong all-around performance for current-generation capture needs.

Key Specifications

• Brand: SanDisk
• Model: Extreme SD UHS-I Card
• Manufacturer Number: SDSDXV9-512G-GUCIN
• UPC: 619659224028
• Capacity: 512GB
• Card Type: SDXC
• Bus Interface: UHS-I
• Max Read Speed: Up to 190MB/s
• Max Write Speed: Up to 130MB/s
• Speed Class: Class 10
• UHS Speed Class: U3
• Video Speed Class: V30