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Samsung DUO Plus 128Gb (MUF-128DB)

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A performant and reliable USB Flash drive with a capacity of 128 GB with a USB 3.1 Type-C interface and a complete adapter-cover for a standard Type-A connector. Thanks to such a device and configuration, it is able to work without problems with any personal computers, laptops / ultrabooks (including Apple MacBooks), media players and TVs. In addition, it can connect to tablets and smartphones (subject to the presence of a Type-C connector and support for the OTG function). Features a rugged and durable metal/plastic construction and impressively high read/write speeds (300/35 Mbps). This performance makes it possible to quickly copy / move large amounts of user data, for example, copying a 10 GB video file from a Samsung DUO Plus 128 GB USB drive to a PC takes less than 40 seconds. The ca...se of the device demonstrates high water resistance (at a depth of up to 1 m), shock resistance and heat resistance (it fully functions at temperatures up to 85 °C). In addition, operability is guaranteed after the action of strong magnetic fields and X-ray radiation of detectors of security systems at airports. The manufacturer guarantees full compatibility with all current USB interface standards (version 3.0/2.0). Backed by a proprietary 5-year limited warranty.
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Samsung DUO Plus 128Gb
Colour
Volume
128 GB
USB version
USB-A 5Gbps and USB-C
Read speed
300 MB/s
Features
OTG
Material
metal
Waterproof
+
Manufacturer's warranty
5 years
Size
58x18x7 mm
Weight
8 g
Added to E-Catalog
March 2019
P/N
MUF-128DB

Dimensions and weight. Housing with total protection from any impacts. 2 USB connectors with a removable cap adapter.

A performant and reliable USB Flash drive with a capacity of 128 GB with a USB 3.1 Type-C interface and a complete adapter-cover for a standard Type-A connector. Thanks to such a device and configuration, it is able to work without problems with any personal computers, laptops / ultrabooks (including Apple MacBooks), media players and TVs. In addition, it can connect to tablets and smartphones (subject to the presence of a Type-C connector and support for the OTG function).

Features a rugged and durable metal/plastic construction and impressively high read/write speeds (300/35 Mbps). This performance makes it possible to quickly copy / move large amounts of user data, for example, copying a 10 GB video file from a Samsung DUO Plus 128 GB USB drive to a PC takes less than 40 seconds. The case of the device demonstrates high water resistance (at a depth of up to 1 m), shock resistance and heat resistance (it fully functions at temperatures up to 85 °C). In addition, operability is guaranteed after the action of strong magnetic fields and X-ray radiation of detectors of security systems at airports. The manufacturer guarantees full compatibility with all current USB interface standards (version 3.0/2.0). Backed by a proprietary 5-year limited warranty.

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Samsung 2026 - new arrivals, bestsellers, and the most relevant models Samsung.
I do not recommend it
18 September 2021 
I was disappointed.
I don’t care about the speed and all that, but why can’t you plug a USB-C flash drive into a phone with a case on it? And this is Samsung, which also makes phones.
P.S. A random Chinese OTG USB-A -> USB-C adapter, meanwhile, plugs into all phones without needing to take off the case.
Exactly as stated in the specs.
- metal body
- included USB-A adapter for connecting to a PC
Cannot connect to phone/tablet if it is in a case.
Vlad
I recommend it for computers, but it is inconvenient for phones.
11 December 2021 
Good flash drive, good speeds. The only downside is the short connector: works great with PCs, but with a phone I have to take off the case to plug it in. I added a Type A – Type C adapter, and now it’s convenient.
Speed, compactness, presence of a type C-type A adapter
Short connector
Aleksey Malcevuse Samsung DUO Plus 256Gb more than year
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Video reviews

Flash drive from Samsung without weaknesses

The Samsung DUO Plus is an ultra-compact and high-speed dual USB flash drive. Its dimensions are 58x18x7 mm, and its weight of 8 grams makes it one of the smallest 128 GB models that can be found on the market. However, the era of large-sized flash drives has long passed and you will not surprise anyone like that. Therefore, DUO Plus goes further than Samsung compares favorably with most competitors with a USB-C connector.

Toughie

The Samsung DUO Plus flash memory module is sealed in a strong, shockproof metal case that can't be shaken in a bag or accidentally dropped from a table. In addition, it reliably protects the insides from adverse external influences (X-ray scanners, magnetic fields) and extreme temperatures. Plus, the case is protected from moisture ingress - according to the manufacturer, it can lie without problems for up to 3 days in salt water at a depth of a metre, without losing performance.

USB-A and USB-C connectors

But this is not just a tough nut, but also a convenient device. The DUO Plus case consists of three parts: in the centre is the flash drive itself, on the left is a USB-C plug with a protective cap, on the right is a second adapter cap with a USB-A connector, which, if necessary, “puts on” on the left side over the USB-C plug. In both cases, connections for the model claims an impressive read speed of 300 MB / s (note: synthetic tests confirm this). Against the background of its compactness, security, speed and versatility, the price tag of around $40 for 128 GB hardly seems overpriced.