
SanDisk Phone Drive 128GB
Score: 63/100
Kingston DataTraveler DuoG2 256GB
Score: 64/100Rankings

The Kingston DataTraveler DuoG2 256 GB delivers versatile dual-connector functionality and ample storage in a compact plastic body, backed by a five-year warranty, though it lacks encryption and may feel slower than expected.

The SanDisk 128 GB Phone Drive for Android provides convenient dual-connector access and fast transfer speeds, targeting Android users who need quick backups. Lack of encryption, a plastic body, and occasional quality issues keep it from being a premium offering.
| Attribute | ![]() | ![]() |
|---|---|---|
128 GB | 256 GBbest | |
100 MB/sbest | — | |
80 MB/sbest | — | |
24 months | 60 monthsbest | |
| ↓ lower better | 13.6 g | 10 gbest |
| ↓ lower better | 70 mm | 64 mmbest |
| ↓ lower better | 18 mmbest | 21.2 mm |
| ↓ lower better | 11 mm | 1 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 128 GB | 256 GB |
Warranty(1) | ||
Warranty Period (months) | 24 months | 60 months |
Physical(4) | ||
Weight (g) | 13.6 g | 10 g |
Length (mm) | 70 mm | 64 mm |
Width (mm) | 18 mm | 21.2 mm |
Height (mm) | 11 mm | 1 mm |
Connectivity(1) | ||
USB Interface | USB 3.0 | USB 3.2 Gen 1 |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS | Windows, macOS, Linux, Chrome OS |

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

Professional reviewers highlight the drive's optimization for Android, seamless dual-connector design, and automatic backup, while noting the absence of encryption and that the backup feature is Android-only.
Everyday users love the ease of moving files between phones and PCs, the fast speeds, and the automatic backup, but complain about the lack of security features and occasional defective units.

“Worked like a charm”

“Saves you from the disappointment of losing all your pictures”

“Holds a large amount of data”



Professional reviewers describe the DuoG2 as an innovative and versatile flash drive that solves the compatibility gap between legacy USB-A and modern USB-C devices. They highlight its dual-connector design, cap-less sliding mechanism, and Kingston's reliable brand reputation, while noting that it is positioned as a practical, no-frills tool rather than a high-performance or secure storage solution.
Everyday users praise the drive for its convenience, ease of use, and sufficient capacity, noting that it works seamlessly across multiple platforms. Common complaints focus on slower transfer speeds than expected, the plastic build quality, occasional cap stiffness, and the absence of security features.