Amazon Basics Dual-Port 256GB
Score: 58/100
SanDisk Extreme PRO 512GB Dual
Score: 79/100Rankings
The SanDisk Extreme PRO 512 GB Dual Drive delivers near-advertised sequential speeds, a rugged metal case, and hardware encryption, making it ideal for creators who need fast, secure transfers across USB-C and USB-A devices. Its size, weight, and price keep it from being a pocket-friendly everyday drive.
The Amazon Basics 256 GB dual-port flash drive extends the same metal, rotating design as the 128 GB model, offering double the storage while maintaining fast read performance. It remains a budget-friendly option for cross-device transfers but still lacks encryption and detailed write-speed data.
| Attribute | | |
|---|---|---|
256 GB | 512 GBbest | |
400 MB/s | 1,000 MB/sbest | |
— | 900 MB/sbest | |
12 monthsbest | — | |
| ↓ lower better | 18 gbest | 22.68 g |
| ↓ lower better | 71.9 mmbest | 80 mm |
| ↓ lower better | 66 mm | 18.3 mmbest |
| ↓ lower better | 17 mm | 10.7 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 256 GB | 512 GB |
Performance(1) | ||
Read Speed (MB/s) | 400 MB/s | 1000 MB/s |
Security(1) | ||
Encryption Support | false | true |
Physical(4) | ||
Weight (g) | 18 g | 22.68 g |
Length (mm) | 71.9 mm | 80 mm |
Width (mm) | 66 mm | 18.3 mm |
Height (mm) | 17 mm | 10.7 mm |
Connectivity(1) | ||
USB Interface | USB 3.2 Gen 1 | USB 3.2 Gen 2 |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Linux, Android | Windows, macOS |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the drive's dual-connector design, high read speed, and sturdy metal case, while noting the lack of official write-speed data and absence of waterproof or shock-proof ratings.
Everyday users praise the fast large-file transfers, solid metal build, and hassle-free switching between USB-A and USB-C, but complain about slower write performance and missing encryption.
“Transfers 25GB of data in 25 minutes”
“Build quality is really good”
“Works perfectly with phone and laptop”
Professional reviewers commend the near-advertised sequential speeds, robust metal construction, and dual-connector design, while noting random I/O performance falls short of SSDs and the drive can run warm under load.
Everyday users love the fast transfers between USB-C laptops and legacy PCs, appreciate the security of hardware encryption, but mention the tight swivel, warmth during long transfers, and higher cost.
