SanDisk Ultra Flair 256GB
Score: 79/100
Samsung USB-C Flash Drive 512GB Gray
Score: 81/100Rankings
The Samsung Type-C 512 GB flash drive delivers fast 400 MB/s reads in an ultra-compact, rugged metal-cased form factor. Its drawbacks are a modest 110 MB/s write speed and a USB-C-only interface that may need an adapter for older devices. Best suited for mobile professionals who prioritize portability and durability over sustained write performance.
The SanDisk Ultra Flair 256 GB USB 3.0 flash drive delivers high read performance and a rugged metal case with a 5-year warranty. It lacks a USB-C interface and does not specify write speeds, which may affect some users. Best for users who need fast, reliable storage on devices with USB-A ports.
| Attribute | | |
|---|---|---|
256 GB | 512 GBbest | |
150 MB/s | 400 MB/sbest | |
— | 110 MB/sbest | |
| ↓ lower better | 4.5 g | 3.4 gbest |
5 yearsbest | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Storage Capacity (GB) | 256 GB | 512 GB |
Performance(1) | ||
Read Speed (MB/s) | 150 MB/s | 400 MB/s |
Connectivity(2) | ||
USB Version | USB 3.0 | USB 3.2 Gen 1 |
Interface | USB Type-A | Type-C |
Build & Design(2) | ||
Weight (g) | 4.5 g | 3.4 g |
Dimensions (L×W×H) (mm) | 42.93×12.95×7.11 mm mm | 2.54x16.0x33.78 mm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the Ultra Flair 256GB for its high read speed, rugged metal construction, and SecureAccess encryption, noting it handles 4K movie transfers in seconds.
Everyday users generally express satisfaction with the drive's speed, durability, and compactness, frequently highlighting the convenience of password protection.
Retailer editors such as B&H Photo and Staples praise the drive's multi-proof construction and its advertised 400 MB/s read performance on USB-C 3.2 Gen 1, emphasizing fast and efficient data transfer for high-capacity needs. However, professional reviews are limited, leaving independent verification of real-world endurance and write performance scarce.
Everyday users consistently highlight the drive's high read speed, tiny form factor, and rugged, water- and shock-proof build as major positives for on-the-go use. The most common criticism revolves around the comparatively slow write speed and the absence of a protective cap, which some feel leaves the connector vulnerable.
