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SanDisk Ultra Flair USB 3.0 Flash Drive (512GB) Overview
The SanDisk Ultra Flair USB 3.0 Flash Drive (512GB, model SDCZ73-512G-G46) is a high-capacity portable storage device from Western Digital’s SanDisk lineup, originally launched in 2016 but still widely available and popular in 2025 for its balance of speed, durability, and affordability. It’s ideal for transferring large files like photos, videos, documents, or backups between computers, making it a go-to for professionals, students, and casual users. The sleek metal design adds a premium feel, and it includes optional password protection via SanDisk SecureAccess software for securing sensitive data.
Key Features
- High-Speed Transfers: USB 3.0 interface delivers read speeds up to 150MB/s, allowing you to transfer a full-length HD movie in under 30 seconds—up to 15x faster than USB 2.0 drives.
- Durable Build: Aluminum metal casing protects against drops and knocks, with a keyring hole for easy portability.
- Security: Includes SanDisk SecureAccess software for 128-bit AES encryption and password protection of private files (download required for Mac).
- Compatibility: Backward compatible with USB 2.0 ports; formatted in FAT32 for broad device support (Windows, macOS, Linux). Not optimized for PS5 gaming due to slower write speeds.
- Capacity Utilization: Stores approximately 128,000 photos, 10,240 hours of video, or 256,000 songs, depending on file sizes.
Specifications
Category Details Capacity 512GB (actual: ~465GB usable after formatting) Interface USB 3.0 Type-A (backward compatible with USB 2.0) Read Speed Up to 150MB/s Write Speed Up to 15-17MB/s for large files (real-world) Dimensions 2.11 x 0.61 x 0.38 inches (53.6 x 15.6 x 9.7 mm) Weight 0.56 oz (16g) Durability Metal casing; shock-resistant OS Compatibility Windows 7+, macOS 10.9+, Linux Warranty 5 years limited Included Flash drive only (software download)



