
SanDisk Ultra 64GB
Score: 73/100
SanDisk Ultra Fit 32GB
Score: 73/100Rankings

The SanDisk Ultra 64 GB USB 3.0 flash drive offers fast 130 MB/s read speeds, a capless slide-out design, and built-in encryption software, all backed by a 5-year warranty. Its write speed is modest at 40 MB/s and performance can suffer on older USB 2.0 ports. Best suited for students and professionals needing portable storage with basic security.

The SanDisk Ultra Fit 32GB USB-3.2 Gen 1 flash drive offers an ultra-slim, low-profile design with fast 130 MB/s read speeds and built-in encryption. Its tiny plastic housing is fragile, write speeds lag behind, and it lacks water or dust resistance. Ideal for users needing discreet, always-plug-in storage.
| Attribute | ![]() | ![]() |
|---|---|---|
64 GBbest | 32 GB | |
130 MB/sbest | 130 MB/sbest | |
40 MB/s | 72 MB/sbest | |
| ↓ lower better | 8.5 g | 1.28 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) | 64 GB | 32 GB |
Performance(1) | ||
Write Speed (MB/s) | 40 MB/s | 72 MB/s |
Connectivity(2) | ||
USB Version | USB 3.0 | USB 3.2 Gen 1 |
Interface Type | USB 3.0 | USB Type-A |
Build & Design(2) | ||
Weight (g) | 8.5 g | 1.28 g |
Dimensions (L×W×H) (mm) | 69.09×22.1×9.91 mm mm | 29.8×14.3×5 mm mm |
Power & Environment(1) | ||
Operating Temperature (°C) | 0-45 °C | 0-35 °C |


Products in the top-left offer the best value (high score, low price).

Professional reviewers consistently commend the SanDisk Ultra 64GB USB-A flash drive for its solid 130 MB/s read performance, reliable 40 MB/s write speed, and the added value of security and recovery software. They note the longer 5-year warranty as a differentiator, while pointing out the lack of detailed endurance data and the drop in speed on legacy USB 2.0 ports.
Everyday users love the fast read speeds and the generous 64 GB capacity for media and backups, highlighting the convenient capless slide-out design and the usefulness of SecureAccess. Common complaints revolve around slower write speeds, occasional recognition hiccups on older ports, and the fact that formatted usable space is a few gigabytes less than the advertised capacity.

Professional reviewers highlight the Ultra Fit's ultra-slim, plug-and-stay design as its standout feature, noting that while it doesn't match the top-tier speeds of premium USB-C drives, its 130 MB/s read performance and bundled encryption software make it a solid choice for discreet, everyday storage.
Everyday users echo the reviewers' praise for the drive's tiny, unobtrusive shape and reliable media transfer speeds, appreciating the convenience of a permanently attached storage device. Common complaints focus on the fragile plastic build and the risk of misplacing the tiny unit, with several users noting slower performance when the drive is used on legacy USB 2.0 ports.
“up to 100-130MB/s feels blazing for files/movies”

“full movie in <40s”


