SanDisk Extreme PRO UHS-I SDXC 512GB – High-Speed SD Card for 4K Production

Product Overview

The SanDisk Extreme PRO UHS-I SDXC Memory Card (512GB) is a professional-grade SD card built for photographers and videographers who depend on consistent, high-speed performance in the field. Rated UHS Speed Class 3 (U3) and Video Speed Class 30 (V30), it achieves sequential read speeds up to 200 MB/s and write speeds up to 140 MB/s, giving it the throughput needed for 4K UHD video capture and sequential burst mode photography. Powered by SanDisk QuickFlow Technology, it accelerates post-production offloads when paired with a compatible PRO-READER.

Key Features

• Read Speeds up to 200 MB/s — Accelerates media offload with SanDisk QuickFlow Technology, reducing transfer time during post-production workflows.
• Write Speeds up to 140 MB/s — Supports high-volume burst photography and sustained 4K UHD video recording without buffer stalls.
• UHS Speed Class 3 (U3) & Video Speed Class 30 (V30) — Guarantees a minimum 30 MB/s sustained write rate for uninterrupted 4K UHD video capture.
• SanDisk QuickFlow Technology — Exceeds the standard UHS-I 104 MB/s interface ceiling when paired with a PRO-READER.
• Durability Tested for Field Deployment — Waterproof, shockproof, X-ray-proof, and temperature-proof (-25°C to 85°C / -13°F to 185°F).
• Built-in Write-Protect Switch — Physical lock prevents accidental card erasure.
• RescuePRO Deluxe Software Offer Included — 2-year data recovery software download offer.
• Lifetime Limited Warranty — Backed by SanDisk's lifetime limited warranty.

Technical Specifications

• Capacity: 512GB
• Form Factor: SDXC
• Interface: UHS-I
• Sequential Read: Up to 200 MB/s
• Sequential Write: Up to 140 MB/s
• Speed Class: U3 / V30
• QuickFlow Technology: Yes
• Operating Temp: -25°C to 85°C
• Warranty: Lifetime Limited Warranty

Based on internal SanDisk testing. Performance may vary depending on host device, interface, usage conditions, and other factors. 1MB = 1,000,000 bytes.