SanDisk Ultra 256GB
Score: 63/100
PNY Turbo Attache 3 512GB
Score: 58/100Rankings
The SanDisk Ultra 256 GB USB-A flash drive offers solid capacity and fast read performance with built-in encryption, but its modest write speed and lack of an LED indicator limit its appeal for power users.
The PNY 512GB Turbo Attaché 3 offers high capacity and decent read speeds in a capless sliding design, but its bulky plastic body and lack of encryption limit its suitability for security-focused or ultra-compact needs.
| Attribute | | |
|---|---|---|
256 GB | 512 GBbest | |
130 MB/sbest | 100 MB/s | |
40 MB/sbest | 30 MB/s | |
60 monthsbest | 12 months | |
| ↓ lower better | 8.5 gbest | 18 g |
| ↓ lower better | 10.7 mmbest | 133.35 mm |
| ↓ lower better | 22.1 mmbest | 99.06 mm |
| ↓ lower better | 7.9 mmbest | 11.43 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 256 GB | 512 GB |
Performance(2) | ||
Read Speed (MB/s) | 130 MB/s | 100 MB/s |
Write Speed (MB/s) | 40 MB/s | 30 MB/s |
Warranty(1) | ||
Warranty Period (months) | 60 months | 12 months |
Security(1) | ||
Encryption Support | true | false |
Physical(4) | ||
Weight (g) | 8.5 g | 18 g |
Length (mm) | 10.7 mm | 133.35 mm |
Width (mm) | 22.1 mm | 99.06 mm |
Height (mm) | 7.9 mm | 11.43 mm |
Connectivity(1) | ||
USB Interface | USB-A 3.0 | USB 3.0 |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Android, iOS | Windows, macOS |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the Ultra for its solid read speeds, generous capacity, and inclusion of RescuePRO recovery software, noting it as a reliable, stylish mid-range USB-A drive, while cautioning about modest write performance and missing LED.
Everyday users rate the drive highly for ease of use, capacity and speed boost, praising plug-and-play simplicity, but complain about slower write speeds, lack of an LED, and occasional reliability hiccups.
“One user received a 128GB drive in a 256GB package”
“Great value for the capacity and speed”
“The missing LED makes it hard to know when transfers finish”
Professional reviewers consider the Turbo Attaché 3 a solid mid-tier flash drive, highlighting its 100 MB/s read speed, plug-and-play simplicity and broad OS support, while noting the lack of hardware encryption and modest plastic construction.
Everyday users overwhelmingly praise the drive's speed, capacity and convenient sliding design, awarding it an average of 4.6 / 5 stars, though complaints focus on its bulky width, cheap plastic feel, and absence of clear write-speed specifications.
