DIGIERA 128GB Flash Drive USB 3.2 Gen 1 Type-C Thumb Drive 140MB — Compact Storage with Fast Read Speeds

This article covers the DIGIERA 128GB フラッシュドライブ USB 3.2 Gen 1 Type-C サムドライブ 140MB (DIGIERA 128GB USB 3.2 Gen 1 Type-C flash drive).

It goes beyond the spec sheet to explain real-world use and what to check before buying.

Overview

The DIGIERA 128GB USB 3.2 Gen 1 Type-C flash drive is a small thumb drive that plugs directly into a USB-C port.

It is rated for reads of up to 140MB/s and writes of up to 40MB/s. Reads are fast; writes take noticeably longer. It suits people who move photos and documents on and off USB-C-only laptops, tablets, and Android phones.

The capless design uses a 360-degree rotating cover, so there is no cap to lose. The cover shields the connector when the drive sits in a pocket or pencil case.

It weighs about 5.7g and measures about 57.7mm long, small enough for a keyring.

It works with Windows, Mac, and Android phones and tablets.

The short verdict: it is fine as a carry-around drive for reading files or offloading phone photos. For frequent backups of dozens of gigabytes, the 40MB/s write speed is the bottleneck. How good it is depends heavily on how you use it.

Estimated Transfer Times

Rated speeds are best-case maximums, but they still show roughly how long you will wait. The figures below are simple calculations from the spec values.

Real transfers are usually slower with many small files or long sustained writes.

Reads are more than three times faster than writes. Copying files off the drive feels quick, while copying files onto it feels slow.

Backing up tens of gigabytes of phone photos can realistically take tens of minutes.

Compatibility Guide

The drive has a USB Type-C connector and uses USB 3.2 Gen 1, which runs at up to 5Gbps (the same speed class as the older USB 3.0).

It plugs straight into computers, phones, and tablets with a USB-C port. On OTG-capable Android devices (USB On-The-Go), you can read and write files through a file manager app.

Three points commonly trip people up:

• Speed drops on USB 2.0. The drive is backward compatible, but on a USB 2.0 port the protocol typically limits real throughput to about 30-40MB/s. You need a USB 3.x or newer port to reach 140MB/s.
• It will not fit a USB-A port as-is. Backward compatibility refers to the protocol, not the connector shape. If the drive is Type-C only, older PCs and car stereos with only USB-A ports need an adapter. Check the product photos to see whether it also has a USB-A plug.
• Some devices cannot read certain file systems. FAT32 caps single files at 4GB. exFAT handles large files, but some older car stereos and appliances cannot read it. Check the factory format on the product page and reformat for your use if needed.

The drive is described as working with car audio systems. Whether playback actually works, though, depends on the head unit's supported formats, its port type, and its maximum supported capacity.

If you plan to use it in a car, check your head unit's manual for USB storage requirements first.

USB-C iPhones (iPhone 15 and later) can generally read and write external storage through the Files app. The data available when this article was written does not list iPhone support for this drive, so check the product page before relying on it.

Product Info

Key specifications from the data available when this article was written:

The 128GB figure counts 1GB as one billion bytes. Operating systems such as Windows usually show about 119GB, which is normal and not a defect.

The package contains only the drive, and no software is needed. Check the product page for warranty details.

On Amazon.co.Check the retailer's page for the latest user reviews.

On pricing: the listed price captured in May 2026 was unusually high for a 128GB drive, so the collected figure may not match the real selling price. Prices change often, so check the product page for the current price.

Comparing price per gigabyte against other drives of the same capacity is a good idea.

Recommended Users

This drive is a good fit for:

• People with USB-C-only laptops or tablets who want to move files without an adapter
• Students and office workers who carry documents, slides, or other files of a few gigabytes or less
• Android users who want to offload photos and videos while traveling, without a computer
• Anyone who wants a light, small, capless drive to carry every day

All of these follow a 'write once, read in many places' pattern, which matches this drive's speed profile.

Before You Buy

It is not ideal for large routine backups. At 40MB/s, moving a phone's full photo and video library can take anywhere from tens of minutes to nearly an hour.

If you write dozens of gigabytes every week, a drive with faster writes or a portable SSD will be less frustrating.

Do not use it as your only copy. Small drives are easy to lose.

Flash memory can also fail suddenly after long storage or many rewrites. Keep important photos and documents somewhere else too, such as your computer or cloud storage.

Always eject before unplugging. On slow-writing drives, internal writing can continue after the copy looks finished.

Use 'safely remove' on a computer, or unmount on a phone, before pulling the drive out.

The swivel cover does not seal the connector. Unlike a cap, it leaves gaps, so do not expect much protection against dust or water.

**Read the price and reviews with care. Check the current price and reviews before buying. Store listings sometimes contain details from a different product, so confirm the item by its photos and title.

FAQ

Q. Can I use it with a PC that only has USB-A ports? A.

The protocol is backward compatible, but a Type-C-only drive needs a USB-C to USB-A adapter.

Q. Can it store video files larger than 4GB? A.

Not when formatted as FAT32. It can when formatted as exFAT or NTFS.

Check the factory format and reformat if needed (reformatting erases all data).

Q. Why does it show less than 128GB? A.

Manufacturers count 1GB as one billion bytes, while operating systems count it as about 1.07 billion.

Seeing about 119GB is normal.

**Q. I cannot get 140MB/s. A. Speeds drop on USB 2.0 ports, through hubs, and when copying many small files. Writes are also capped at 40MB/s by spec. To test, plug it directly into a USB 3.x or newer port and read one large file.

Q. What do I need to use it with an Android phone? A.

On an OTG-capable phone, you can usually plug it in and use the built-in file manager. If it is not recognized, check whether OTG is enabled in the phone's settings.

Product Disclosure (Amazon)

• Manufacturer: DIGIERA
• Seller: UNIVERSAL DESIGN
• Fulfilled by: UNIVERSAL DESIGN
• ASIN: B0FLXPXY5B
• Note: This article covers a manufacturer-made product based on Amazon listing details.