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Netac USB Flash Drive 128GB — Review & Specs | Pricepect | Pricepect

Home USB Flash DrivesNetac USB Flash Drive 128GB

Netac USB Flash Drive 128GB — image 1

Netac

Netac USB Flash Drive 128GB

Expert Review Analysis

Netac offers two 128 GB USB 3.0 flash drives—the plastic U336 and the zinc‑alloy U278—both lightweight, compact, and compatible with Windows, macOS, and Linux. The U278 adds a pendant ring, water‑dust resistance, and a premium metal feel, while the U336 provides a protective cap and hardware write‑protect switch.

✓ Best for: Professionals, students, and content creators who need a lightweight, cross‑platform 128 GB backup drive; business users who value water‑dust resistance (U278); and anyone who wants a keychain‑friendly pendant ring design.✗ Not ideal for: Power users seeking the highest possible transfer speeds or advanced security features, as the drives lack USB 3.1/3.2 interfaces and encryption.

Pros

✓Reliable USB 3.0 performance delivers faster data transfer speeds compared to USB 2.0, meeting everyday backup needs.
✓Extremely lightweight and compact design (U336 9.3 g, U278 6.4 g) makes it easy to carry in pockets or on keychains.
✓

Price History

Current

$26.99

Average

$10.86

Lowest

$7.99

Highest

$26.99

Price trend (90d):+49.6%

Best Seller Rank History

Now#2,402Best#726Worst#4,532 -512

Lower = better sales rank

Rating Trend

Rating4.5/ 5Reviews5,985+-4,905 reviews

Specifications

Connectivity

InterfaceUSB 3.0

Backward CompatibilityUSB 2.0

Design

Height10 mm mm

Width17 mm mm

Length57 mm mm

Weight10 g g

MaterialABS plastic with rubber oil skin finish

Features

LED IndicatorYes

Write ProtectionYes

Plug and PlayYes

General

BrandNetac

ModelNetac-U505

Warranty3 years

CompatibilityWindows XP/7/8/10+, Mac OS X 10.3+, Linux 2.4.x+

Performance

Read Speed90 MB/s MB/s

Write Speed30 MB/s MB/s

Storage

Capacity128 GB GB

Interface

USB InterfaceUSB 3.0 (5 Gbps)

Compatibility

Supported OSWindows XP/7/8+, macOS 10.5+, Linux 2.4.x+

Protection

Water & Dust ResistanceRated water and dust resistant (U278)

Security

Hardware Write ProtectionOptional read‑only mode via switch (U336)

Design Feature

Pendant Ring6.4 mm diameter hanging ring for keychain attachment (U278)

Dimensions & Weight

Height0.3937 inches

Width0.66929 inches

Depth2.24409 inches

Weight10.0 Grams

Research Sources

laptopdirect.co.za

bhphotovideo.com

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User Reviews

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4.5

(5,987 reviews)

$26.99

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Netac-U5053.0 128GB3.0 128GB 3 years warranty

USB Flash Drives Flash Memory Sticks

U278’s zinc alloy construction provides a premium feel and superior durability over plastic alternatives.

✓U336 includes a cap structure that protects the USB connector from physical damage during transport.

✓Both models feature broad system compatibility with Windows, macOS, and Linux platforms.

Cons

✗U336’s polycarbonate plastic body may be less durable over long‑term heavy use compared to metal builds.
✗Neither model supports newer USB 3.1/3.2 interfaces, limiting maximum transfer‑speed potential.
✗Lack of publicly available real‑world benchmark data makes performance expectations uncertain.
✗No advanced security features such as built‑in encryption or password protection are mentioned.

From Expert Reviews

Praised by Experts

✓Professional review of Netac US5 highlighted transfer speeds up to 550 MB/s, indicating strong engineering focus on speed.
✓Review praised the compact design and durable casing of newer Netac USB models.

Criticized by Experts

✗Review noted the absence of USB 3.1 or higher speeds in the 128 GB USB 3.0 models, making them slower than newer competitors.

From User Reviews

Users Love

✓Alibaba listing shows a high positive review rating of 90.9% from 20 customers, reflecting general satisfaction.
✓Users appreciate the pendant ring design of the U278 which prevents accidental loss when attached to keychains.
✓Users find the water and dust resistance of the U278 valuable for protecting data in harsh environments.

Expert Opinion

Professional reviewers acknowledge Netac’s emphasis on fast transfer rates and solid build quality, especially in newer models like the US5, but they criticize the 128 GB USB 3.0 variants for lacking the newer USB 3.1/3.2 standards that would boost performance further.

What Users Say

Everyday users generally express satisfaction with the drives’ lightweight form factor, durability (especially the metal U278), and protective features, though detailed performance data is scarce.

What People Are Saying

“moving a 10GB video file took just under 30 seconds”
5/5 ★US5 user review

How It Compares

vs. Netac U116 mini

Advantages

✓USB 3.1 Gen 1 interface offers slightly higher theoretical speed than USB 3.0.
✓More compact, space‑saving design.

Disadvantages

✗Lower reported transfer speed of 130 MB/s compared to potential 550 MB/s of newer Netac models.
✗No metal construction or pendant ring design.

Choose the U116 mini if you need the smallest footprint; stick with the 128 GB U278 for a premium feel and keychain convenience.

vs. Netac US2

Advantages

✓USB 3.2 Gen 2 interface delivers up to 550 MB/s read and 500 MB/s write speeds.
✓Premium performance for large file transfers.

Disadvantages

✗Heavier at 23.5 g, reducing portability.
✗Higher price point than the 128 GB USB 3.0 models.

Select the US2 when speed is critical; opt for the U278 when lightweight, durable, and affordable storage is the priority.